GMC · 2018-2024
Terrain — Second generation (D2XX) (2018–2024)
terrain · terrain sl · terrain sle · terrain slt · terrain denali · terrain at4
252 option rows 252 RPO codes 7 model years
85% Factory-verified
- ✓ Factory-verified · 215
- ● Confirmed · 0
- ◑ Single-source · 37
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| LH7 | Engine, 1.6L turbo diesel 4-cylinder, 137 hp | 2018–2019 | 2018: GM Authority Terrain page; 2019 from GM Authority's 2020 changes page, which lists it as dropped for 2020 with the SLE Diesel and SLT Diesel (whether that line is headed by the code was not re-checked); the 2019 order guide prints it only as contents of the diesel equipment groups 3SB and 4SB (p.44), which does not support the year | Single-source |
| LSD | Engine, 1.5L turbo 4-cylinder, 175 hp | 2023 | replaces the LYX for 2023 (GM Authority 2023 engine article); GM Authority 2024 paint-loss article names it the current engine | Single-source |
| LTG | Engine, 2.0L turbo 4-cylinder, 252 hp | 2018, 2020 | 2018: GM Authority Terrain page; 2020: SLT: O; Denali: S; no longer on SLE (GM Authority 2020 changes page); dropped for 2021 (GM Authority 2021 changes page) | Single-source |
| LTG | Engine, 2.0L turbo 4-cylinder, SIDI, VVT, 252 hp, 260 lb-ft | 2019 | SLE, SLT: O; Denali: S | Factory-verified |
| LYX | Engine, 1.5L turbo 4-cylinder, 170 hp | 2018, 2022 | 2018: GM Authority Terrain page (one of three engines, with LTG and LH7); 2022: GM Authority 2023 engine article (the 2022 engine, replaced by the LSD for 2023) | Single-source |
| LYX | Engine, 1.5L turbo DOHC 4-cylinder, SIDI, VVT, 170 hp, 203 lb-ft | 2019 | SL, SLE, SLT: S | Factory-verified |
| Transmissions | ||||
| M3H | Transmission, 9 speed automatic, 9T50, electronically controlled, overdrive | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine | Factory-verified |
| M3H | Transmission, 9 speed automatic | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| M3U | Transmission, 9 speed automatic, 9T45, electronically controlled, overdrive | 2019 | SL, SLE, SLT: S; only with the LYX engine | Factory-verified |
| Axles | ||||
| F48 | Drivetrain, all-wheel drive system | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S; only in: AWD | Factory-verified |
| FHB | Axle, 3.47 final drive ratio | 2019 | SL, SLE, SLT: S; only with the LYX engine | Factory-verified |
| FXP | Axle, 3.17 final drive ratio | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine | Factory-verified |
| FXP | Axle, 3.17 final drive ratio | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| Packages & Trims | ||||
| 2SA | Equipment group 2SA, SL | 2019 | FWD model only (TXL26); retail orders only | Factory-verified |
| 3SA | Equipment group 3SA, SLE | 2019 | FWD and AWD models (TXL26, TXB26) | Factory-verified |
| 3SB | Equipment group 3SB, SLE Diesel | 2019 | FWD and AWD models (TXL26, TXB26); LH7 diesel; dropped for 2020 (GM Authority 2020 changes page) | Factory-verified |
| 4SA | Equipment group 4SA, SLT | 2019 | FWD and AWD models (TXM26, TXC26) | Factory-verified |
| 4SB | Equipment group 4SB, SLT Diesel | 2019 | FWD and AWD models (TXM26, TXC26); LH7 diesel; dropped for 2020 (GM Authority 2020 changes page) | Factory-verified |
| 4SC | Equipment group 4SC, AT4 | 2022 | new for 2022, AWD model TXC26 (GM Authority 2022 changes page); NICB 2022 p.168 prints the AT4 series, AWD only | Single-source |
| 5SA | Equipment group 5SA, Denali | 2019 | FWD and AWD models (TXN26, TXD26) | Factory-verified |
| 6K5 | Preferred package | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| B26 | Driver alert package I | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; Denali: S; includes UKC, UFG, UD7 and HS1, on SLE and SLE Diesel also DWK | Factory-verified |
| B26 | Driver alert package I | 2020 | 2020 from GM Authority's 2021 changes page, which lists it as renamed GMC Pro Safety Plus (PED) for 2021 | Single-source |
| BGP | Driver alert package II | 2019 | SLT, SLT Diesel, Denali: O; includes UHY, UEU, UHX, UE4, KSG, UKJ and TQ5 | Factory-verified |
| CWB | Chrome package | 2019 | SLT: O; new for 2019; includes PJH, GGC, DP9 and D7A | Factory-verified |
| PCX | LPO, 'Hit the Road' package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| PDB | LPO, Dark Accent package | 2019 | SLT, SLT Diesel: O; new for 2019; includes SJ9, S4X, RXX and RYQ | Factory-verified |
| PDD | Fleet convenience package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet or government orders; includes AP9 and CGY | Factory-verified |
| PDG | LPO, cargo package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; includes VRS and W2D | Factory-verified |
| PDH | LPO, interior protection package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; includes VAV and VLI | Factory-verified |
| PDV | LPO, Bright Accent package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; includes VKU, RZ9 and VTB | Factory-verified |
| PDY | LPO, roadside safety package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; added to the guide in April 2018; includes RYT and S08 | Factory-verified |
| PDZ | LPO, interior enhancement package | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; new for 2019; includes VYW and S03 | Factory-verified |
| PED | GMC Pro Safety Plus package | 2021, 2023–2024 | 2021: replaces B26, no longer requires the convenience package (GM Authority 2021 changes page); 2023: AT4: O; Denali: S; 2024: SLE, SLT: O; AT4, Denali: S (GM Authority 2024 changes page) | Single-source |
| PS1 | Comfort package | 2019 | Denali: O; includes KU1, KU3 and KA6 | Factory-verified |
| WJP | Black Edition | 2019 | SLE, SLT: O; new for 2019; renamed Elevation Edition for 2020 (GM Authority 2020 changes page); includes PJM, V22, V2P and VWD | Factory-verified |
| WJP | Elevation Edition | 2020 | SLE, SLT; the 2019 Black Edition renamed (GM Authority 2020 changes page) | Single-source |
| WPR | Advanced safety package | 2019 | Denali: O; includes UFQ and UV2 | Factory-verified |
| Y29 | Infotainment package I | 2019 | SLE, SLE Diesel: O; includes IOU, UVB, U2K, MCZ, MCR and KI6 | Factory-verified |
| Y3I | Infotainment package II | 2019 | SLT, SLT Diesel: O; includes IOU, UQA and U2L | Factory-verified |
| ZQ2 | Driver convenience package | 2019 | SLE: O; SLE Diesel: in group | Factory-verified |
| Equipment | ||||
| 4GO | Wheel, spare, 17 inch steel | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine; letter O in the code as GM prints it | Factory-verified |
| 4GO | Wheel, spare, 17 inch steel | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG; letter O in the code as GM prints it | Single-source |
| 5A7 | Wheel, spare, delete | 2019 | SL: S | Factory-verified |
| 5CX | Tires, P225/65R17 all-season blackwall | 2019 | SL, SLE, SLE Diesel: S; only in: FWD | Factory-verified |
| 5CY | Tires, P225/65R17 all-season blackwall | 2019 | SLE, SLE Diesel: S; only in: AWD | Factory-verified |
| 9L3 | Tire, spare, delete | 2019 | SL: S | Factory-verified |
| A45 | Memory package, 2 presets for power driver seat and outside mirrors | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| A9U | Seat release levers, second row, mechanical, in cargo area | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| ADT | Seat adjuster, front passenger 6-way power, 2-way power lumbar | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| AED | Windows, power, front passenger express-down | 2019 | all trims: S | Factory-verified |
| AEQ | Windows, power, rear express-down | 2019 | all trims: S | Factory-verified |
| AG1 | Seat adjuster, driver 8-way power, 2-way power lumbar | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S | Factory-verified |
| AG6 | Seat adjuster, front passenger 4-way manual, fore/aft, up/down, recline | 2019 | SL, SLE, SLE Diesel, SLT: S | Factory-verified |
| AH3 | Seat adjuster, driver 4-way manual, fore/aft, up/down, recline | 2019 | SL, SLE: S | Factory-verified |
| AJC | Head restraints, front, 2-way adjustable, up/down | 2019 | all trims: S | Factory-verified |
| AKK | Glass, acoustic laminated windshield | 2019 | all trims: S | Factory-verified |
| AKO | Glass, deep-tinted, rear | 2019 | all trims: S; letter O in the code as GM prints it | Factory-verified |
| AL0 | Passenger sensing system, front passenger and child presence detector | 2019 | all trims: S | Factory-verified |
| AL9 | Seat, driver power lumbar control | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S | Factory-verified |
| AR9 | Seats, front bucket | 2019 | all trims: S | Factory-verified |
| ASV | Sensor, cabin humidity | 2019 | all trims: S | Factory-verified |
| AT9 | Seat, front passenger power lumbar | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| ATH | Keyless open, extended range remote keyless entry | 2019 | all trims: S | Factory-verified |
| AU3 | Door locks, power, programmable, lockout protection | 2019 | all trims: S | Factory-verified |
| AXG | Window, power, driver express-up and down | 2019 | all trims: S | Factory-verified |
| AY0 | Air bags, dual-stage frontal and thorax side-impact for driver and front passenger, roof-rail side-impact for front and rear outboard positions | 2019 | all trims: S | Factory-verified |
| B34 | Floor mats, carpeted, front | 2019 | all trims: S | Factory-verified |
| B35 | Floor mats, carpeted, rear | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| B86 | Trim, lower body, body-color | 2019 | Denali: S | Factory-verified |
| B87 | Trim, lower body, black | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| BTM | Keyless start, push-button | 2019 | all trims: S | Factory-verified |
| BTT | Remote panic alarm | 2019 | all trims: S | Factory-verified |
| BTV | Remote start | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S | Factory-verified |
| C3U | Sunroof, Skyscape, power, power sunscreen | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| C4P | Air conditioning, single-zone manual | 2019 | SL, SLE: S | Factory-verified |
| CJ2 | Air conditioning, dual-zone automatic climate control | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S | Factory-verified |
| D31 | Mirror, inside rearview, manual day/night | 2019 | SL: S | Factory-verified |
| D6K | Seatback, passenger side, flat-folding | 2019 | all trims: S | Factory-verified |
| D75 | Door handles, body-color | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| D7A | Door handles, body-color, chrome surround | 2019 | SLT: O; Denali: S; SLT: with CWB only | Factory-verified |
| DD8 | Mirror, inside rearview, auto-dimming | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| DLF | Mirrors, outside, heated power-adjustable, manual-folding | 2019 | SL, SLE, SLE Diesel: S | Factory-verified |
| DP6 | Mirror caps, body-color | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| DP9 | Mirror caps, chrome | 2019 | SLT: O; Denali: S; SLT: with CWB only | Factory-verified |
| DPK | Mirror caps, black | 2019 | SL: S | Factory-verified |
| DWL | Mirrors, outside, heated power-adjustable, manual-folding, LED turn signal indicators, auto-dimming | 2019 | SLT, SLT Diesel, Denali: S | Factory-verified |
| E22 | Assist handles, rear outboard | 2019 | all trims: S | Factory-verified |
| E27 | Assist handle, front passenger | 2019 | all trims: S | Factory-verified |
| E28 | Assist handle, driver | 2019 | all trims: S | Factory-verified |
| EA1 | Map pocket, driver seatback | 2019 | all trims: S | Factory-verified |
| EA2 | Map pocket, front passenger seatback | 2019 | all trims: S | Factory-verified |
| EPH | Electronic Precision Shift, button and trigger transmission interface | 2019 | all trims: S | Factory-verified |
| FJW | Fuel, gasoline, E15 | 2019 | SL, SLE, SLT, Denali: S | Factory-verified |
| FX3 | StabiliTrak stability control with traction control | 2019 | all trims: S | Factory-verified |
| GNA | Suspension, front, MacPherson strut | 2019 | all trims: S | Factory-verified |
| GND | Suspension, rear, 4-link, non-isolated | 2019 | all trims: S | Factory-verified |
| HS1 | Safety alert seat | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; Denali: S; with B26 only; code added to the guide in April 2018 | Factory-verified |
| IOR | Audio system, GMC Infotainment System, 7 inch diagonal multi-touch display, AM/FM stereo, Bluetooth streaming audio, Android Auto and Apple CarPlay | 2019 | SL, SLE, SLE Diesel: S; letter O in the code as GM prints it | Factory-verified |
| IOS | Audio system, GMC Infotainment System, 8 inch diagonal multi-touch display, AM/FM/SiriusXM stereo, Bluetooth streaming audio, Android Auto and Apple CarPlay, voice recognition | 2019 | SLT, SLT Diesel: S; letter O in the code as GM prints it | Factory-verified |
| IOT | Audio system, GMC Infotainment System with navigation, 8 inch diagonal multi-touch display, AM/FM/SiriusXM stereo, greater memory | 2019 | Denali: S; letter O in the code as GM prints it | Factory-verified |
| J17 | Brakes, 4-wheel antilock, 4-wheel disc, 12.6 inch front and 11.3 inch rear rotors | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine; GM Authority's 2021 changes page reads it as 17 inch front and 16 inch rear brakes | Factory-verified |
| J17 | Brakes, 4-wheel antilock, 4-wheel disc | 2020 | with the LTG engine; GM Authority reads it as 17 inch front and 16 inch rear brakes; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| J60 | Brakes, 4-wheel antilock, 4-wheel disc, 11.8 inch front and 11.3 inch rear rotors | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S; with the LYX and LH7 engines | Factory-verified |
| J71 | Brake, electronic parking | 2019 | all trims: S | Factory-verified |
| JHD | Hill descent control | 2019 | all trims: S | Factory-verified |
| JJ2 | Brake lining, high-performance, Duralife | 2019 | all trims: S | Factory-verified |
| K05 | Engine block heater | 2019 | SL, SLE, SLT, Denali: O | Factory-verified |
| K34 | Cruise control, electronic, set and resume speed | 2019 | all trims: S | Factory-verified |
| K4C | Wireless charging for devices, front of center console storage bin | 2019 | Denali: S | Factory-verified |
| KA1 | Seats, heated, driver and front passenger | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S | Factory-verified |
| KB7 | Driver shift controls | 2019 | all trims: S | Factory-verified |
| KC5 | Power outlet, front auxiliary, 12-volt | 2019 | all trims: S | Factory-verified |
| KC8 | Power outlet, cargo area auxiliary, 12-volt | 2019 | all trims: S | Factory-verified |
| KI6 | Power outlet, 110-volt, rear of center console | 2019 | SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S | Factory-verified |
| KL9 | Engine control, stop-start system | 2019 | all trims: S | Factory-verified |
| KPK | Oil pan heater | 2019 | SLE Diesel, SLT Diesel: O | Factory-verified |
| KTI | Tire inflation kit | 2019 | SL: S | Factory-verified |
| MCR | USB data ports, 2, one type-A and one type-C, SD card reader, auxiliary input jack, front center storage bin | 2019 | SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S | Factory-verified |
| MCZ | USB data ports, 2, type-A, center console | 2019 | SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S | Factory-verified |
| N43 | Steering wheel, leather-wrapped, 4-spoke | 2019 | all trims: S | Factory-verified |
| NB5 | Exhaust, single outlet | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| NKC | Noise control system, active noise cancellation | 2019 | all trims: S | Factory-verified |
| NWO | Exhaust, dual, bright tips | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine; letter O in the code as GM prints it; NW0 in GM's other lists is a wheel, a different code | Factory-verified |
| NWO | Exhaust, dual outlet, stainless steel | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG; letter O in the code as GM prints it; NW0 in GM's other lists is a wheel, a different code | Single-source |
| P0G | GM Commercial Link, 1 year of service | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| P0H | GM Commercial Link, 2 years of service | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| P0I | GM Commercial Link, 3 years of service | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| P0J | OnStar Fleet Safety and Security, additional 21 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| P0K | OnStar Fleet Safety and Security, additional 33 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| P0L | OnStar Fleet Safety and Security, additional 45 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| P0M | OnStar Fleet Remote Access, additional 21 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| P0N | OnStar Fleet Remote Access, additional 33 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| P0O | OnStar Fleet Remote Access, additional 45 months | 2019 | all trims: O; fleet orders; new for 2019 | Factory-verified |
| PJE | Wheels, 17 inch aluminum, gloss black | 2022 | AT4 only, with QEN; new for 2022 (GM Authority 2022 changes page) | Single-source |
| PJH | Wheels, 19 x 7.5 machined aluminum, gray painted accents | 2019 | SLT: O; included with the LTG engine or CWB | Factory-verified |
| PR6 | SiriusXM All Access, additional 9 months | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| PR7 | SiriusXM All Access, additional 21 months | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| PR8 | SiriusXM All Access, additional 33 months | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet orders | Factory-verified |
| Q8E | Mechanical jack with tools | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| QCL | Tire, compact spare, T125/70R17 blackwall | 2019 | SLE, SLT: O; Denali: S; only with the LTG engine | Factory-verified |
| QCL | Tire, compact spare, 17 inch | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| QEN | Tires, 17 inch all-season | 2022 | AT4 only, with PJE; new for 2022 (GM Authority 2022 changes page) | Single-source |
| RJA | Tire, compact spare, T135/70R16 blackwall | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| RR0 | Tires, P235/50R19 all-season blackwall | 2019 | SLE, SLT: O; Denali: S; requires PJH or PJM | Factory-verified |
| RSB | Wheels, 17 x 7 aluminum, silver painted | 2019 | SL, SLE, SLE Diesel: S | Factory-verified |
| RSX | Wheels, 18 x 7 aluminum, silver painted | 2019 | SLE: O; included with the LTG engine | Factory-verified |
| RSX | Wheels, 18 x 7 aluminum, silver painted | 2021–2022 | 2021: SLE only; 2022: SLT: S, no longer on SLE (GM Authority 2022 changes page) | Single-source |
| RT7 | Wheels, 19 x 7.5 bright machined aluminum, Premium Gray painted accents | 2019 | Denali: S | Factory-verified |
| RUB | Tires, P225/60R18 all-season blackwall | 2019 | SLE: O; SLT, SLT Diesel: S | Factory-verified |
| RUB | Tires, P225/60R18 all-season blackwall | 2021 | SLE; 2021 from GM Authority's 2022 changes page, which lists it as no longer available on SLE for 2022 | Single-source |
| RV6 | Wheels, 18 x 7 machined aluminum, gray painted accents | 2019 | SLT, SLT Diesel: S | Factory-verified |
| RV6 | Wheels, 18 x 7 machined aluminum, gray painted accents | 2021 | 2021 from GM Authority's 2022 changes page, which lists it as deleted for 2022 | Single-source |
| RWU | LPO, cargo area organizer, collapsible, GMC logo | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; added to the guide in April 2018 | Factory-verified |
| S6W | LPO, protective seat cover | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| SFE | LPO, wheel locks, 4 locks and 1 key | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| SIF | LPO, universal tablet holders, set of 2, behind front seat head restraints | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| SIL | LPO, universal tablet holder, powered, single, 2 USB power ports for second row | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| SJF | Wheel, spare, 16 inch steel | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| SR2 | LPO, rear seat infotainment system, without DVD player, dual headrest 8 inch screens | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| SR3 | LPO, rear seat infotainment system, with DVD player, dual headrest 8 inch screens | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| T3S | Daytime running lamps, LED signature | 2019 | all trims: S | Factory-verified |
| T3U | Fog lamps, front, halogen | 2019 | SLT, SLT Diesel, Denali: S | Factory-verified |
| T4F | Headlamps, high intensity discharge, C-shaped lighting | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| T4L | Headlamps, LED, C-shaped lighting | 2019 | Denali: S | Factory-verified |
| T74 | Headlamps, automatic delay | 2019 | all trims: S | Factory-verified |
| T83 | Headlamp control, automatic on and off | 2019 | all trims: S | Factory-verified |
| TB4 | Liftgate, rear, manual | 2019 | SL, SLE, SLT: S | Factory-verified |
| TB5 | Liftgate, rear, power programmable | 2019 | SLE: O; SLE Diesel: in group | Factory-verified |
| TC2 | Liftgate, rear, power programmable, hands-free | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| TDM | Teen Driver | 2019 | all trims: S | Factory-verified |
| TSQ | Lighting, interior, accent lighting under door armrest, floor console and instrument panel | 2019 | SLT, SLT Diesel, Denali: S | Factory-verified |
| U05 | Horn, dual-note | 2019 | all trims: S | Factory-verified |
| U2J | SiriusXM radio, delete | 2019 | SL, SLE, SLE Diesel: S | Factory-verified |
| U2K | SiriusXM radio, 3-month All Access trial | 2019 | SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S | Factory-verified |
| U2L | Radio, HD | 2019 | SLT, SLT Diesel: O; Denali: S | Factory-verified |
| U68 | Driver information center | 2019 | all trims: S; SL: without compass | Factory-verified |
| U80 | Compass display, in driver information center | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| U91 | Antenna, roof-mounted shark fin | 2019 | all trims: S | Factory-verified |
| UC3 | Steering wheel controls, audio and phone | 2019 | all trims: S | Factory-verified |
| UD7 | Rear park assist | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; Denali: S | Factory-verified |
| UDC | Display, driver information, 3.5 inch monochromatic | 2019 | SL: S | Factory-verified |
| UDD | Display, driver information, 4.2 inch multi-color | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: S | Factory-verified |
| UE1 | OnStar and GMC connected services capable | 2019 | all trims: S; fleet orders: 3-month trial | Factory-verified |
| UFG | Rear cross traffic alert | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; Denali: S | Factory-verified |
| UG1 | Universal home remote, garage door opener, 3-channel programmable | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| UGE | Tail lamps, LED signature | 2019 | all trims: S | Factory-verified |
| UJM | Tire pressure monitor, manual learn, tire fill alert | 2019 | all trims: S | Factory-verified |
| UKC | Lane change alert with side blind zone alert | 2019 | SLE, SLE Diesel, SLT, SLT Diesel: O; Denali: S | Factory-verified |
| UMN | Speedometer, miles and kilometers | 2019 | all trims: S | Factory-verified |
| UPG | Bluetooth for phone | 2019 | all trims: S | Factory-verified |
| UQA | Audio system feature, Bose premium 7-speaker system, amplifier in center console | 2019 | SLT, SLT Diesel: O; Denali: S | Factory-verified |
| USS | USB charging-only ports, 2, rear of center console | 2019 | all trims: S | Factory-verified |
| UST | USB data ports, 2, one type-A and one type-C, auxiliary input jack, front center storage bin | 2019 | SL, SLE, SLE Diesel: S | Factory-verified |
| UTJ | Theft-deterrent system, unauthorized entry | 2019 | all trims: S | Factory-verified |
| UVB | HD rear vision camera | 2019 | SLE, SLE Diesel: O; SLT, SLT Diesel, Denali: S; new for 2019 | Factory-verified |
| UVC | Rear vision camera, in audio system display | 2019 | SL, SLE, SLE Diesel: S | Factory-verified |
| UVD | Steering wheel, heated | 2019 | SLT: O; SLT Diesel: in group; Denali: S | Factory-verified |
| UZ6 | Audio system feature, 6-speaker system | 2019 | SL, SLE, SLE Diesel, SLT, SLT Diesel: S | Factory-verified |
| V2P | Luggage rack, roof-mounted side rails | 2019 | SLE: O; SLE Diesel: in group; SLT, SLT Diesel, Denali: S; SLE: with ZQ2 or WJP | Factory-verified |
| V92 | Trailering equipment, Class III 2 inch receiver hitch, increased cooling and 7-wire connection | 2019 | SLE, SLT, Denali: O; requires the LTG engine; the factory hitch VR2 is included only with it | Factory-verified |
| V92 | Trailering equipment | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| VK3 | License plate front mounting package | 2019 | all trims: O | Factory-verified |
| VK8 | Sunglass storage, overhead | 2019 | all trims: S | Factory-verified |
| VLL | LPO, roof rack cross rails | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; included with PCX; SLE: requires ZQ2 | Factory-verified |
| VQK | LPO, splash guards, front and rear | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| VR2 | Trailer hitch, factory installed | 2020 | with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG | Single-source |
| VTI | Active aero shutters | 2019 | all trims: S | Factory-verified |
| VV4 | GMC 4G LTE with Wi-Fi hotspot, data trial for 1 month or 3GB | 2019 | all trims: S | Factory-verified |
| VXW | LPO, molded assist steps | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; included with PCX; not with VQK | Factory-verified |
| VYW | LPO, floor mats, premium carpeted | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; included with PDZ, except on Denali; Denali: not with PDH or the HS4 interior | Factory-verified |
| WD8 | Seat, rear, 60/40 split-folding, center armrest | 2019 | all trims: S | Factory-verified |
| WH6 | LPO, cargo net, horizontal | 2019 | SLE, SLE Diesel, SLT, SLT Diesel, Denali: O | Factory-verified |
| ZP5 | Seating, 5-passenger | 2019 | all trims: S | Factory-verified |
| Paint | ||||
| G1W | Paint, White Frost Tricoat | 2020 | touch-up WA-140X; new for 2020; extra cost, not on SL or SLE; GM Authority 2020 exterior colors page | Single-source |
| G35 | Paint, Blue Steel Metallic | 2018 | touch-up WA-424C; extra cost, not on SL; GM Authority 2018 exterior colors page | Single-source |
| G35 | Paint, Blue Steel Metallic | 2019 | touch-up WA-424C; extra cost, not on SL | Factory-verified |
| G35 | Paint, Blue Emerald Metallic | 2020 | touch-up WA-424C; extra cost, not on SL or Denali; GM Authority 2020 exterior colors page, which marks G35 carry over with the same touch-up number as the 2019 Blue Steel Metallic; GM's 2019 order guide (p.47) and GM Authority 2018 exterior colors page name G35 Blue Steel Metallic, and GM Authority 2020 changes page lists Blue Steel Metallic as dropped for 2020; no source gives G35 another code or meaning | Single-source |
| G7Q | Paint, Graphite Gray Metallic | 2018, 2020 | touch-up WA-139X; extra cost, not on SL; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page | Single-source |
| G7Q | Paint, Graphite Gray Metallic | 2019 | touch-up WA-139X; extra cost, not on SL | Factory-verified |
| G8K | Paint, Coppertino Metallic | 2018 | touch-up WA-444C; extra cost, not on SL or Denali; GM Authority 2018 exterior colors page | Single-source |
| G8K | Paint, Coppertino Metallic | 2019 | touch-up WA-444C; extra cost, not on SL or Denali | Factory-verified |
| G9K | Paint, Satin Steel Metallic | 2018, 2020 | touch-up WA-464C; extra cost, not on SL; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page | Single-source |
| G9K | Paint, Satin Steel Metallic | 2019 | touch-up WA-464C; extra cost, not on SL | Factory-verified |
| GAN | Paint, Quicksilver Metallic | 2018, 2020 | touch-up WA-636R; extra cost; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page, which spells it Quick Silver Metallic | Single-source |
| GAN | Paint, Quicksilver Metallic | 2019 | touch-up WA-636R; extra cost | Factory-verified |
| GAZ | Paint, Summit White | 2018, 2020 | touch-up WA-8624; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page | Single-source |
| GAZ | Paint, Summit White | 2019 | touch-up WA-8624 | Factory-verified |
| GB8 | Paint, Ebony Twilight Metallic | 2018, 2020 | touch-up WA-384A; extra cost; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page | Single-source |
| GB8 | Paint, Ebony Twilight Metallic | 2019 | touch-up WA-384A; extra cost | Factory-verified |
| GHT | Paint, Marine Metallic | 2023 | SLE, SLT, Denali; not on AT4; dropped for 2024 (GM Authority 2024 paint-loss article; GM Authority 2024 changes page) | Single-source |
| GJB | Paint, Mineral Metallic | 2018 | touch-up WA-433B; extra cost, Denali only; GM Authority 2018 exterior colors page | Single-source |
| GJV | Paint, Riptide Metallic | 2024 | new for 2024 (GM Authority 2024 changes page; GM Authority 2024 paint-loss article) | Single-source |
| GPJ | Paint, Red Quartz Tintcoat | 2018, 2020 | touch-up WA-434B; extra cost, not on SL; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page | Single-source |
| GPJ | Paint, Red Quartz Tintcoat | 2019 | touch-up WA-434B; extra cost, not on SL; not with Light Platinum and Taupe interior | Factory-verified |
| GS6 | Paint, Smokey Quartz Metallic | 2019 | touch-up WA-634D; new for 2019, late availability; extra cost, not on SL | Factory-verified |
| GS6 | Paint, Smokey Quartz Metallic | 2020 | touch-up WA-634D; extra cost, not on SL; GM Authority 2020 exterior colors page | Single-source |
| GTL | Paint, Desert Sand Metallic | 2023 | AT4, and SLE and SLT with the Elevation package; not on Denali; dropped for 2024 (GM Authority 2024 paint-loss article; GM Authority 2024 changes page) | Single-source |
| GXP | Paint, Downpour Metallic | 2024 | new for 2024 (GM Authority 2024 changes page; GM Authority 2024 paint-loss article) | Single-source |
| Interior Trim | ||||
| H0Y | Interior trim, Jet Black, perforated leather-appointed | 2019 | SLT, SLT Diesel; front bucket seats (AR9); required with WJP on SLT | Factory-verified |
| H17 | Interior trim, Medium Ash Gray and Jet Black, perforated leather-appointed | 2019 | SLT, SLT Diesel; front bucket seats (AR9) | Factory-verified |
| H1T | Interior trim, Jet Black, premium cloth | 2019 | SL, SLE, SLE Diesel; front bucket seats (AR9); required with WJP on SLE | Factory-verified |
| H2U | Interior trim, Jet Black, perforated leather-appointed, Denali logo | 2019 | Denali; front bucket seats (AR9) | Factory-verified |
| H72 | Interior trim, Medium Ash Gray and Jet Black, premium cloth | 2019 | SLE, SLE Diesel; front bucket seats (AR9) | Factory-verified |
| HR4 | Interior trim, Brandy and Jet Black, perforated leather-appointed | 2019 | SLT, SLT Diesel; front bucket seats (AR9) | Factory-verified |
| HS4 | Interior trim, Light Platinum and Taupe, perforated leather-appointed, Denali logo | 2019 | Denali; front bucket seats (AR9) | Factory-verified |
| Internal / Process | ||||
| FE9 internal | Emissions, federal requirements | 2019 | Factory-verified | |
| NB8 internal | Emissions override, California | 2019 | Factory-verified | |
| NB9 internal | Emissions override, state-specific | 2019 | Factory-verified | |
| NC7 internal | Emissions override, federal | 2019 | Factory-verified | |
| NE1 internal | Emissions, Connecticut, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington requirements | 2019 | Factory-verified | |
| YF5 internal | Emissions, California requirements | 2019 | Factory-verified | |
Source document: gmc/terrain-gen2.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.