Buick · 2020-2027
Encore GX — VSS-F (2020–2027)
encore gx · encore gx preferred · encore gx select · encore gx sport touring · encore gx essence · encore gx avenir
276 option rows 276 RPO codes 3 model years
100% Factory-verified
- ✓ Factory-verified · 276
- ● Confirmed · 0
- ◑ Single-source · 0
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| L3T | Engine, Ecotec 1.3L turbo | 2025–2027 | 2025–2026: Preferred: FWD O, AWD S; Sport Touring, Avenir: S. 2027: Preferred, Sport Touring, Avenir: S; GM estimate 155 hp, 174 lb-ft; the only engine listed for 2027; also named by GM Authority | Factory-verified |
| LBP | Engine, Ecotec 1.2L turbo DOHC, direct injection, variable valve timing (VVT), E85 compatible | 2025–2026 | only in: FWD; Preferred: S; GM-stated 137 hp, 162 lb-ft; not offered for 2027 (GM Authority, 2026-03 and 2026-09 articles) | Factory-verified |
| Transmissions | ||||
| M3F | Transmission, 9 speed automatic, 9T4X, Gen 1 | 2025–2027 | only in: AWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| MRG | Transmission, continuously variable (CVT) | 2025–2027 | only in: FWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| Axles | ||||
| F48 | Drivetrain, all-wheel drive, with Driver Mode Selector | 2025–2027 | only in: AWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| F8J | Axle, 5.45 final drive ratio | 2025–2027 | only in: FWD; Preferred, Sport Touring, Avenir: S; also named by GM Authority | Factory-verified |
| FXP | Axle, 3.17 final drive ratio | 2025–2027 | only in: AWD; Preferred, Sport Touring, Avenir: S; also named by GM Authority | Factory-verified |
| Packages & Trims | ||||
| 1SB | Equipment group, Preferred | 2025–2026 | trim group heading of the Preferred columns (FWD and AWD) | Factory-verified |
| 1SD | Equipment group, Sport Touring | 2025–2026 | trim group heading of the Sport Touring columns (FWD and AWD) | Factory-verified |
| 1SE | Equipment group, Preferred | 2027 | trim group heading of the Preferred columns (FWD and AWD) | Factory-verified |
| 1SF | Equipment group, Sport Touring | 2027 | trim group heading of the Sport Touring columns (FWD and AWD) | Factory-verified |
| 1SG | Equipment group, Avenir | 2027 | trim group heading of the Avenir columns (FWD and AWD) | Factory-verified |
| 1SL | Equipment group, Avenir | 2025–2026 | trim group heading of the Avenir columns (FWD and AWD) | Factory-verified |
| CWH | Package, Black Roof | 2025–2026 | Sport Touring: O; includes black roof rails, black exterior mirror caps and black roof panel | Factory-verified |
| CWM | Package, Avenir Technology | 2025–2027 | Avenir: O; includes KSG, DRZ, CWA, UV2, K4C; also named by GM Authority | Factory-verified |
| PCZ | LPO, Package, Active Lifestyle | 2025–2027 | includes SDE, RZW, 5KE, CAV | Factory-verified |
| PDA | LPO, Package, Road Trip | 2025–2027 | includes RIA, VLL | Factory-verified |
| PDC | Package, Buick Driver Confidence | 2025–2027 | Preferred, Sport Touring, Avenir: S; includes UHY, UKJ, UEU, UE4, UHX, TQ5 | Factory-verified |
| PDE | LPO, Package, Trailering | 2025–2027 | includes SDE, RZW, 5KE; also named by GM Authority | Factory-verified |
| PDH | LPO, Package, Interior Protection | 2025–2027 | includes CAV, RIA, SBZ | Factory-verified |
| WFP | Package, Studio Series | 2026 | only in: AWD; Sport Touring: O; includes G42, EKU, CWH, WPM, TB5, WPA, Y55, RIA, SBZ; 2026 only; GM Authority reports the package gone for 2027 | Factory-verified |
| WPA | Package, Advanced Technology | 2025–2027 | 2025–2026: Preferred, Sport Touring: O. 2027: Sport Touring: O; includes KSG, UD7, UV2, K4C; GM Authority reports it unavailable on Preferred for 2027 | Factory-verified |
| WPM | Package, Experience Buick | 2025–2026 | Sport Touring: O; includes C3U, RVB; also named by GM Authority | Factory-verified |
| Y55 | Package, Comfort | 2025–2027 | Preferred, Sport Touring: O; includes A2X, AL9, KA1, UVD, D7P, DA5; also named by GM Authority | Factory-verified |
| Y6L | Package, Avenir Convenience | 2025–2027 | Avenir: O; includes TC2, UD7, CE1, UQA; also named by GM Authority | Factory-verified |
| Equipment | ||||
| 5H1 | Key system, 2 keys | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| 5KE | LPO, Trailer hitch bezel | 2025–2027 | Factory-verified | |
| A2V | Seat adjuster, driver 6-way manual | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| A2X | Seat adjuster, driver 8-way power | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| A45 | Memory settings, recalls 2 driver presets for 8-way power driver seat and outside mirrors | 2025–2027 | Avenir: S | Factory-verified |
| A50 | Seats, front bucket | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| A64 | Seat, rear 40/60 split-bench, folding (60 percent on passenger side) | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| A7E | Seat adjuster, front passenger 4-way manual | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| A7M | Seat adjuster, front passenger 6-way power with 2-way manual recline | 2025–2027 | Avenir: S | Factory-verified |
| AAL | Knee bolster, driver and front passenger | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AED | Window, power with front passenger Express-Down | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AEQ | Windows, power, rear with Express-Down | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AIB | Seat belt, 3-point, front passenger with load limiter and pretensioners, height adjustable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AIF | Seat belt, 3-point, driver with load limiter and pretensioners, height adjustable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AJC | Headrests, 2-way adjustable, up/down, driver and front passenger | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AK9 | Seat belts, 3-point, rear, all seating positions with pretensioners | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AKK | Glass, acoustic, laminated windshield | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AKO | Glass, deep-tinted | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AKX | Windshield, solar absorbing | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AL0 | Airbag, passenger sensing system, front passenger/child presence detector sensor indicator for inflatable restraint | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AL9 | Seat adjuster, 2-way power driver lumbar control | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| AP9 | Cargo net, rear | 2025 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| ASV | Sensor, cabin humidity | 2025–2027 | Avenir: S | Factory-verified |
| AT9 | Seat adjuster, front passenger 2-way power lumbar | 2025–2027 | Avenir: S | Factory-verified |
| ATH | Keyless Open | 2025–2027 | Preferred, Sport Touring, Avenir: S; includes extended range remote keyless entry | Factory-verified |
| AXG | Window, power with driver Express-Up/Down | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| AYF | Airbags, frontal and knee for driver and front passenger, seat-mounted side-impact and head-curtain for front and rear seating positions | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| B32 | Floor mats, color-keyed and carpeted front | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| B33 | Floor mats, color-keyed and carpeted rear | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| B41 | Cargo mat, load floor | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| B52 | Moldings, rocker, gloss Black | 2025–2027 | Sport Touring: S | Factory-verified |
| B70 | Door sill plate cover, front | 2025–2027 | Avenir: S | Factory-verified |
| B7S | Cargo security cover, rear, stowable under rear cargo load floor | 2025–2027 | Avenir: S | Factory-verified |
| B86 | Moldings, body-color bodyside | 2025–2027 | Avenir: S | Factory-verified |
| B87 | Moldings, Black bodyside | 2025–2027 | Sport Touring: S | Factory-verified |
| BTM | Keyless start, push button | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| BTT | Remote panic alarm | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| BTV | Remote vehicle starter system | 2025–2027 | Preferred, Sport Touring, Avenir: S; includes remote keyless entry | Factory-verified |
| BXQ | Door pillar trim, blackout | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| C25 | Wiper, rear intermittent | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| C32 | Auxiliary heater, electric, heating/defroster | 2025–2027 | 2025–2026: Preferred: FWD O, AWD S; Sport Touring, Avenir: S. 2027: Preferred, Sport Touring, Avenir: S | Factory-verified |
| C35 | HVAC duct, rear, underneath front seat | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| C3U | Moonroof, power, panoramic, tilt-sliding | 2025–2027 | Sport Touring, Avenir: O; also named by GM Authority | Factory-verified |
| C4R | GVWR, 4211 lbs. (1910 kg) | 2025–2026 | only in: FWD; Preferred: S | Factory-verified |
| C4U | GVWR, 4233 lbs. (1920 kg) | 2025–2027 | only in: FWD; 2025–2026: Preferred: O; Sport Touring, Avenir: S. 2027: Preferred, Sport Touring, Avenir: S | Factory-verified |
| C67 | Air conditioning, single-zone electronic | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| C6N | GVWR, 4409 lbs. (2000 kg) | 2025–2027 | only in: AWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| C75 | Lighting, interior, overhead courtesy dual reading lamp | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| C8T | Tail lamps, LED, clear lens | 2025–2027 | Avenir: S | Factory-verified |
| CAV | LPO, Cargo liner | 2025–2027 | Factory-verified | |
| CE1 | Wipers, front intermittent, Rainsense | 2025–2027 | Avenir: O | Factory-verified |
| CJ2 | Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger | 2025–2027 | Avenir: S | Factory-verified |
| CWA | Rear Camera Mirror Washer | 2025–2027 | Avenir: O | Factory-verified |
| D06 | Console, floor, with armrest | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| D31 | Mirror, inside rearview manual day/night with tilt | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| D7A | Door handles, body-color with chrome strips | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| D7P | Seatback, front passenger flat-folding | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| DA5 | Armrest, rear center | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| DD8 | Mirror, inside rearview auto-dimming | 2025–2027 | Avenir: S | Factory-verified |
| DG6 | Mirrors, outside heated power-adjustable, body-color, manual-folding | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| DMS | Visors, driver and front passenger, illuminated vanity mirrors, covered, sliding | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| DRZ | Rear Camera Mirror | 2025–2027 | Avenir: O | Factory-verified |
| E22 | Assist handles, rear outboard | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| E27 | Assist handle, front passenger | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| E90 | Map pocket, driver seatback | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| E91 | Map pocket, front passenger seatback | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| ECK | Driver shift control | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| ENL | Engine control, stop/start system disable switch, non-latching | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| FE2 | Suspension, Ride and Handling | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| FHA | Fuel system, electronic, returnless | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| FHS | E85 FlexFuel capable (unleaded or up to 85% ethanol) | 2025–2027 | only in: FWD; Preferred: S | Factory-verified |
| IVA | Audio system, 11 inch diagonal HD color touchscreen, AM/FM stereo | 2025–2027 | Preferred, Sport Touring, Avenir: S; wireless Apple CarPlay and Android Auto capable, Bluetooth audio streaming for 2 active devices | Factory-verified |
| J71 | Brake, electronic parking | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| JBP | Brake lining wear indicator | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| JE0 | Brakes, front and rear, electric | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| JL9 | Brakes, 4-wheel antilock, 4-wheel disc | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| K05 | Engine block heater | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| K12 | Air filter, pollutant | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| K1O | Engine air filtration monitor | 2025–2027 | Preferred, Sport Touring, Avenir: S; letter O in the code as GM prints it; GM prints no zero form | Factory-verified |
| K34 | Cruise control, electronic with set and resume speed | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| K4C | Wireless Charging | 2025–2027 | 2025–2026: Preferred, Sport Touring, Avenir: O. 2027: Sport Touring, Avenir: O | Factory-verified |
| K6J | Air filter, pollutant and fine dust | 2025–2027 | Avenir: S | Factory-verified |
| KA1 | Seats, heated driver and front passenger | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| KI6 | Power outlet, 120-volt, rear of center console | 2025–2027 | Avenir: S | Factory-verified |
| KL9 | Engine control, stop/start system | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| KNV | Shift knob, satin silver and chrome | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| KQX | Capless fuel fill | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| KSG | Adaptive Cruise Control | 2025–2027 | 2025–2026: Preferred, Sport Touring, Avenir: O. 2027: Sport Touring, Avenir: O | Factory-verified |
| KTI | Tire inflator kit | 2026–2027 | Preferred, Sport Touring, Avenir: S; standard from 2026 in place of the spare tire (GM Authority, 2025-03) | Factory-verified |
| MDT | Moldings, upper side window, chrome roofline and gloss Black beltline | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| N37 | Steering column, tilt and telescopic, adjustable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| N5F | Steering wheel, wrapped | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| NCH | Door locks, rear child security | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| NJ1 | Steering, power, variable effort, electric | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| NKC | Noise control system, active noise cancellation | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| P0H | OnStar Connect Plus, 12 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P0I | OnStar Connect Plus, 24 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P0J | OnStar Protect, 24 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Security | Factory-verified |
| P0K | OnStar Protect, 36 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Security | Factory-verified |
| P0L | OnStar Protect, 48 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Security | Factory-verified |
| P0Q | OnStar Protect, 60 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Security | Factory-verified |
| P0U | OnStar Protect, 12 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Security | Factory-verified |
| P0V | OnStar Telematics, 12 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Insights | Factory-verified |
| P0W | OnStar Telematics, 24 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Insights | Factory-verified |
| P0X | OnStar Telematics, 36 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Insights | Factory-verified |
| P0Y | OnStar Telematics, 48 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Insights | Factory-verified |
| P0Z | OnStar Telematics, 60 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar Insights | Factory-verified |
| P1N | API Pro, 12 months | 2026–2027 | Preferred, Sport Touring, Avenir: O; includes DTC | Factory-verified |
| P1O | API Pro, 24 months | 2026–2027 | Preferred, Sport Touring, Avenir: O; includes DTC | Factory-verified |
| P1P | API Pro, 36 months | 2026–2027 | Preferred, Sport Touring, Avenir: O; includes DTC | Factory-verified |
| P1Q | API Elite, 6 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P1R | API Starter, 6 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P1S | API Starter, 12 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P1T | API Starter, 24 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| P1U | API Starter, 36 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PPW | Wireless Apple CarPlay/Wireless Android Auto | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| PQG | OnStar Connect Plus, 36 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQH | OnStar Connect Plus, 48 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQI | OnStar Connect Plus, 60 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQL | OnStar Video Telematics with hardware, 12 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQM | OnStar Video Telematics with hardware, 24 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQP | OnStar Video Telematics with hardware, 36 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQQ | OnStar Video Telematics with hardware, 48 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PQT | OnStar Video Telematics with hardware, 60 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PR6 | SiriusXM, additional 9 months of the SXM Platinum Plan | 2025 | Preferred, Sport Touring, Avenir: O; 2025 reading; 2026–2027 give this code a different meaning (next row) | Factory-verified |
| PR6 | API Elite, 24 months | 2026–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide gives this code a different meaning (SiriusXM, previous row) | Factory-verified |
| PR7 | SiriusXM, additional 21 months of the SXM Platinum Plan | 2025 | Preferred, Sport Touring, Avenir: O; 2025 only | Factory-verified |
| PR8 | SiriusXM, additional 33 months of the SXM Platinum Plan | 2025 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| PRB | OnStar One, 3 years | 2026–2027 | Preferred, Sport Touring: O | Factory-verified |
| PRE | API Elite, 12 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| Q8E | Mechanical jack with tools | 2025–2027 | 2025: Preferred, Sport Touring, Avenir: S. 2026–2027: Preferred, Sport Touring, Avenir: O; also named by GM Authority | Factory-verified |
| QAI | Tires, 225/55R18 all-season, blackwall | 2025–2027 | Preferred, Sport Touring: S | Factory-verified |
| R6P | SiriusXM, 3 years | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| R7Z | API Pro, 6 months | 2026–2027 | Preferred, Sport Touring, Avenir: O; includes DTC | Factory-verified |
| R8G | OnStar One Fleet, 12 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar One Business Plus | Factory-verified |
| R8P | OnStar One Fleet, 36 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar One Business Plus | Factory-verified |
| R8W | OnStar One Fleet, 60 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar One Business Plus | Factory-verified |
| R8Z | OnStar One Fleet, 48 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar One Business Plus | Factory-verified |
| R9L | OnStar Basics, removal (OnStar Fleet Basics for fleet) | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide words it "Deleted OnStar Basics"; the code has a second meaning in 2026–2027 (next row) | Factory-verified |
| R9L | OnStar One, 3 years, removal (also the 3 years of OnStar One with Super Cruise upgrade, suitably equipped vehicles) | 2026–2027 | Avenir: O; another meaning of this code in 2026–2027 (previous row) | Factory-verified |
| R9M | OnStar One, 3 years | 2026–2027 | Avenir: S | Factory-verified |
| R9V | Mobile Service Plus, 3 years | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| R9W | Mobile Service Plus, deleted | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| R9Y | Mobile Service Plus, 1 year | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| RDI | LPO, Keyless Entry Keypad | 2025–2027 | Factory-verified | |
| REQ | Wheels, 18 inch (45.7 cm) Gloss Black aluminum | 2025–2027 | Sport Touring: S | Factory-verified |
| RFH | OnStar One Fleet, 24 months | 2025–2027 | Preferred, Sport Touring, Avenir: O; the 2025 guide names the plan OnStar One Business Plus | Factory-verified |
| RFS | API Elite, 36 months | 2026–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| RH3 | Tires, 245/45R19 all-season, blackwall | 2025–2027 | Sport Touring: O; Avenir: S | Factory-verified |
| RIA | LPO, All-weather floor liners | 2025–2027 | Factory-verified | |
| RSR | Rear Seat Reminder | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| RSZ | Wheels, 18 inch (45.7 cm) Bright Silver painted aluminum | 2025–2027 | Preferred: S | Factory-verified |
| RT8 | Wheels, 19 inch (48.3 cm) Avenir Premium Pearl Nickel aluminum | 2025–2027 | Avenir: S | Factory-verified |
| RVB | Wheels, 19 inch (48.3 cm) Gloss Black aluminum | 2025–2027 | Sport Touring: O; also named by GM Authority | Factory-verified |
| RWU | LPO, Cargo area organizer, collapsible | 2025 | Factory-verified | |
| RYT | LPO, First aid kit | 2025 | Factory-verified | |
| RZW | LPO, Trailering harness | 2025–2027 | Factory-verified | |
| S08 | LPO, Highway Safety Kit | 2025 | Factory-verified | |
| S47 | LPO, Lug nuts, bright chrome | 2025 | Factory-verified | |
| SBZ | LPO, Sport pedal kit | 2025–2027 | Factory-verified | |
| SDE | LPO, Trailer hitch | 2025–2027 | Factory-verified | |
| SFE | LPO, Wheel locks | 2025–2027 | includes 4 locks and 1 key | Factory-verified |
| SJQ | Wheel, spare, 16 inch (40.6 cm) steel | 2025 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| T4L | Headlamps, LED | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| T7E | Daytime Running Lamps, Signature LED | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| T7Z | Buckle to Drive, programmable | 2025–2027 | Preferred, Sport Touring, Avenir: S; prevents shifting out of Park until the driver belt is fastened | Factory-verified |
| T83 | Headlamp control, automatic on and off | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| TB4 | Liftgate, manual | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| TB5 | Liftgate, power | 2025–2027 | Preferred, Sport Touring: O; 2027: requires the Y55 Comfort Package; also named by GM Authority | Factory-verified |
| TC2 | Liftgate, power, hands free | 2025–2027 | Avenir: O | Factory-verified |
| TDM | Teen Driver | 2025–2027 | Preferred, Sport Touring, Avenir: S; configurable settings tied to a key fob, with an in-vehicle report card | Factory-verified |
| TLD | Grille, Sport Touring, high gloss Black | 2025–2027 | Sport Touring: S | Factory-verified |
| TQ5 | IntelliBeam, auto high beam | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| TS6 | Lamp, LED center high-mounted stop/brake lamp | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| TSA | Grille, Avenir, Black Ice | 2025–2027 | Avenir: S | Factory-verified |
| TUU | Lighting, interior, roof, rear courtesy | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| TVM | Tail lamps, halogen | 2025–2027 | Preferred: S | Factory-verified |
| U05 | Horn, dual note tone | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| U25 | Lighting, rear cargo compartment lamp | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| U2K | SiriusXM trial subscription | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| U80 | Compass display | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| U91 | Antenna, roof-mounted | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UBJ | USB ports, 2 (1 USB Type-A, 1 USB Type-C), front of center console | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UC3 | Steering wheel controls, audio, cruise control, Driver Information Center, Forward Collision Alert gap adjust, phone interface | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UD7 | Rear Park Assist | 2025–2027 | 2025–2026: Preferred, Sport Touring, Avenir: O. 2027: Sport Touring, Avenir: O | Factory-verified |
| UE1 | OnStar services capable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UE4 | Following Distance Indicator | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UEU | Forward Collision Alert | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UFG | Rear Cross Traffic Alert | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UG1 | Universal Home Remote | 2025–2027 | Avenir: S | Factory-verified |
| UGE | Tail lamps, LED | 2025–2027 | Sport Touring: S | Factory-verified |
| UHX | Lane Keep Assist with Lane Departure Warning | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UHY | Automatic Emergency Braking | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UJM | Tire Pressure Monitoring System, manual learn | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UK4 | Tire Pressure Display, by tire | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UKC | Lane Change Alert with Side Blind Zone Alert | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UKE | Display, ECO drive assistance | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UKJ | Front Pedestrian Braking | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UMN | Speedometer, miles/kilometers, miles odometer | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UQ3 | Audio system feature, 6-speaker system, enhanced performance | 2025–2027 | only in: FWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| UQA | Audio system feature, Bose premium 7-speaker system, with amplifier | 2025–2027 | 2025–2026: Sport Touring, Avenir: O. 2027: Avenir: O | Factory-verified |
| UQG | Audio system feature, 7-speaker system, enhanced performance, with amplifier | 2025–2027 | only in: AWD; Preferred, Sport Touring, Avenir: S | Factory-verified |
| UQL | LATCH system (Lower Anchors and Tethers for Children), child restraint seats, second row, 2 lower anchors for outboard seating positions only, 3 top tether anchors for all 3 seating positions | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| URO | Driver Information Center, 8 inch diagonal fully digital color display, reconfigurable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| USS | USB charging ports, 2 (1 USB Type-A, 1 USB Type-C), charging only, rear of center console | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UTJ | Theft-deterrent system, electrical, unauthorized entry | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UUT | Tire Fill Alert | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UV2 | HD Surround Vision | 2025–2027 | 2025–2026: Preferred, Sport Touring, Avenir: O. 2027: Sport Touring, Avenir: O | Factory-verified |
| UVB | HD Rear Vision Camera | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| UVD | Steering wheel, heated | 2025–2027 | Preferred, Sport Touring: O; Avenir: S | Factory-verified |
| V2P | Luggage rack, side rails, roof-mounted | 2025–2027 | 2025–2026: Preferred: O; Sport Touring, Avenir: S. 2027: Sport Touring, Avenir: S | Factory-verified |
| V92 | Trailering provisions | 2025–2027 | Preferred, Sport Touring, Avenir: S; includes 4-wire electrical harness and 4-pin sealed connector | Factory-verified |
| VAV | LPO, All-weather floor mats | 2025–2027 | Factory-verified | |
| VEY | Fascia, front and rear | 2025–2027 | Preferred, Avenir: S | Factory-verified |
| VHM | Vehicle health management, advanced warning of vehicle issues | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| VJF | Bumpers, front and rear, Silver-painted insert | 2025–2027 | Sport Touring, Avenir: S | Factory-verified |
| VK3 | License plate bracket, front | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| VLI | LPO, Cargo mat | 2025–2027 | Factory-verified | |
| VLL | LPO, Roof rack cross rails, set of 2, bright with black end caps (dealer-installed) | 2025–2027 | Factory-verified | |
| VMJ | Bumper, rear, molded color | 2025–2027 | Preferred: S | Factory-verified |
| VQK | LPO, Front and rear splash guards, custom molded | 2025–2027 | only in: FWD | Factory-verified |
| VRI | Shutters, front lower grille, active | 2025–2027 | Preferred, Sport Touring, Avenir: O | Factory-verified |
| VTI | Shutters, front upper grille, active | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| VV4 | Wi-Fi Hotspot capable | 2025–2027 | Preferred, Sport Touring, Avenir: S | Factory-verified |
| VYW | LPO, Floor mats, premium carpeted | 2025–2027 | Factory-verified | |
| W2D | LPO, Vertical cargo net | 2025–2027 | Factory-verified | |
| WH6 | LPO, Horizontal cargo net | 2025–2027 | Factory-verified | |
| ZDC | Tire, compact spare 16 inch (40.3 cm) | 2025–2027 | 2025: Preferred, Sport Touring, Avenir: S. 2026–2027: Preferred, Sport Touring, Avenir: O; includes a 16 inch spare wheel and the Q8E jack; standard in 2025, a factory option from 2026 (GM Authority, 2025-03) | Factory-verified |
| Paint | ||||
| G42 | Paint, Ceramic | 2026 | touch-up paint WA-234L; included in and only available with the WFP Studio Series package (Sport Touring AWD) | Factory-verified |
| G98 | Paint, Copper Ice Metallic | 2025–2026 | touch-up paint WA-190J; extra cost on Preferred, not available on Sport Touring | Factory-verified |
| GAS | Paint, Brilliant Red | 2026 | touch-up paint WA-227K; new for 2026; extra cost on Preferred and Sport Touring | Factory-verified |
| GAZ | Paint, Summit White | 2025–2027 | touch-up paint WA-8624; not available on Avenir | Factory-verified |
| GB0 | Paint, Ebony Twilight Metallic | 2025–2027 | touch-up paint WA-506B; extra cost on Preferred and Sport Touring | Factory-verified |
| GFM | Paint, Cinnabar Metallic | 2025 | touch-up paint WA-294F; 2025 only, built out for the model year; extra cost on Preferred and Sport Touring | Factory-verified |
| GK9 | Paint, Ocean Blue Metallic | 2025–2026 | touch-up paint WA-193J; extra cost on Preferred and Sport Touring | Factory-verified |
| GKN | Paint, Aquamarine Blue Metallic | 2025–2026 | touch-up paint WA-253K; new for 2025; extra cost, not available on Preferred or Avenir; the 2026 guide marks it not available to order | Factory-verified |
| GP5 | Paint, White Frost Tricoat | 2025–2026 | touch-up paint WA-485B; extra cost, not available on Preferred or Sport Touring | Factory-verified |
| GZB | Paint, Moonstone Gray Metallic | 2025–2027 | touch-up paint WA-180H; extra cost on Preferred and Sport Touring | Factory-verified |
| Interior Trim | ||||
| EKU | Interior trim, Ebony seats and interior with Whisper Beige stitching, Leatherette | 2026 | Sport Touring; included in and only available with the WFP Studio Series package | Factory-verified |
| H73 | Interior trim, Ebony seats and interior with Santorini Blue stitching, Leatherette | 2025–2027 | Sport Touring | Factory-verified |
| HGM | Interior trim, Ebony seats with Ebony interior accents, perforated leather-appointed | 2025–2026 | Avenir | Factory-verified |
| HN8 | Interior trim, Ebony seats with Ebony interior accents, cloth with Leatherette | 2025–2027 | Preferred | Factory-verified |
| HPM | Interior trim, Whisper Beige seats with Ebony interior accents, perforated leather-appointed | 2025–2027 | Avenir | Factory-verified |
| HPN | Interior trim, Whisper Beige seats with Ebony interior accents, cloth with Leatherette | 2025–2026 | Preferred | Factory-verified |
| HWC | Interior trim, Whisper Beige seats with Ebony interior accents, Leatherette | 2025–2026 | Sport Touring; the 2026 guide marks it not available to order | Factory-verified |
| Internal / Process | ||||
| FE9 internal | Emissions, federal requirements | 2025–2027 | Factory-verified | |
| NB8 internal | Emissions override, California | 2025–2027 | ; for dealers in California-emissions states when the buyer will register the vehicle outside those states | Factory-verified |
| NB9 internal | Emissions override, state-specific | 2025–2027 | ; for dealers ordering vehicles in states that use the YF5 or NE1 emissions | Factory-verified |
| NC7 internal | Emissions override, federal | 2025–2027 | ; for dealers in federal-emissions states ordering vehicles with YF5 or NE1 emissions | Factory-verified |
| NE1 internal | Emissions, state requirements | 2025–2027 | ; the list of states differs by year (New Mexico is named from 2026) | Factory-verified |
| YF5 internal | Emissions, California state requirements | 2025–2027 | Factory-verified | |
Source document: buick/encore-gx-vss-f.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.