GMC · 2014-2019
Sierra — K2XX (2014–2019)
sierra · sierra limited · sierra sle · sierra fleet · sierra limited sle · sierra limited fleet
282 option rows 282 RPO codes 5 model years
100% Factory-verified
- ✓ Factory-verified · 282
- ● Confirmed · 0
- ◑ Single-source · 0
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| L83 | Engine, 5.3L EcoTec3 V8 | 2014, 2016–2019 | the guides add Active Fuel Management, direct injection, variable valve timing and aluminum block. | Factory-verified |
| L86 | Engine, 6.2L EcoTec3 V8 | 2014, 2016–2018 | the guides give 420 hp; Active Fuel Management, direct injection, variable valve timing, aluminum block. | Factory-verified |
| LV3 | Engine, 4.3L EcoTec3 V6 | 2014, 2016–2018 | the guides add Active Fuel Management, direct injection, variable valve timing, aluminum block and FlexFuel capability. | Factory-verified |
| Transmissions | ||||
| M5U | Transmission, 8 speed automatic | 2016–2018 | the Denali guide marks it new for 2016; the 2017 manual names it 8L90. | Factory-verified |
| MYC | Transmission, 6 speed automatic | 2014, 2016–2019 | electronically controlled with overdrive and tow/haul mode; the 2017 manual names it 6L80. | Factory-verified |
| NQG | Transfer case, floor-mounted shifter | 2014, 2016–2019 | only in: 4WD. | Factory-verified |
| NQH | Transfer case, electronic Autotrac | 2014, 2016–2019 | only in: 4WD; rotary dial control; the 2016 guide adds 2 speed with a neutral position for dinghy towing. | Factory-verified |
| Axles | ||||
| G80 | Differential, rear, heavy-duty locking | 2014, 2016–2019 | the 2017 manual reads limited slip. | Factory-verified |
| GT4 | Axle, rear, 3.73 ratio | 2014, 2016–2018 | | Factory-verified |
| GU4 | Axle, rear, 3.08 ratio | 2014, 2016–2018 | | Factory-verified |
| GU5 | Axle, rear, 3.23 ratio | 2014, 2016–2018 | | Factory-verified |
| GU6 | Axle, rear, 3.42 ratio | 2014, 2016–2019 | | Factory-verified |
| Packages & Trims | ||||
| 1SA | Trim group, Sierra | 2014, 2016, 2018–2019 | the base Sierra equipment group (NICB: Fleet/Base). | Factory-verified |
| 3SA | Trim group, SLE | 2014, 2016, 2018–2019 | | Factory-verified |
| 4SA | Trim group, SLT | 2016, 2018 | the 2016 guide limits it to Crew Cab and Double Cab; the 2014 guide prints the code only run together with a footnote digit (4SA1), so 2014 is not claimed. | Factory-verified |
| 5SA | Trim group, Denali | 2016 | the Denali guide uses the same group for the 1500, 2500HD and 3500HD Denali. | Factory-verified |
| GAT | All Terrain package | 2014, 2016–2018 | the 2016 guide limits it to Crew Cab and Double Cab. | Factory-verified |
| NHT | Max Trailering package | 2014, 2016–2018 | | Factory-verified |
| PCK | SLT Crew Cab Value Plus package | 2014 | new for 2014. | Factory-verified |
| PCL | Texas SLT Crew Cab Value Plus package | 2014 | new for 2014. | Factory-verified |
| PCM | Preferred package | 2014, 2016, 2018 | printed twice in each guide: SLE Preferred Package on the SLE and SLT Preferred Package on the SLT; the Silverado K2XX doc reads it as an LT convenience package. | Factory-verified |
| PCX | Sierra Appearance package | 2014, 2016, 2018 | GM uses PCX for a different package on the Silverado (the Silverado K2XX doc reads Chrome Bumper package). | Factory-verified |
| PDA | Texas SLE Value package | 2014, 2016, 2018–2019 | the Silverado K2XX doc reads PDA as its Texas Edition. | Factory-verified |
| PDB | SLT Premium package | 2014, 2016, 2018 | the 2014 guide names it SLT Crew Cab Value Package; the 2016 guide offers it on Crew Cab and Double Cab. | Factory-verified |
| PDC | Texas SLT Premium package | 2014, 2016, 2018 | the 2014 guide names it Texas SLT Crew Cab Value Package. | Factory-verified |
| PDD | Convenience package | 2014, 2016, 2018–2019 | printed twice in each guide: Sierra Convenience Package on the base Sierra and SLE Convenience Package on the SLE. | Factory-verified |
| PDG | All Terrain SLT Premium package | 2014, 2016, 2018 | the 2014 guide names it All Terrain SLT Crew Cab Plus Package; GM uses PDG for a different package on the Silverado. | Factory-verified |
| PDH | LPO, GMC Interior Protection package | 2014, 2016, 2018 | the Silverado K2XX doc's 2015 list uses PDH for another package. | Factory-verified |
| PDL | LPO, Cargo Convenience package | 2014, 2016, 2018 | Factory-verified | |
| PDM | LPO, Bed Protection package | 2014 | the 2019 Sierra Limited guide uses PDM for a Black Pack, another meaning (separate row below), so 2019 is not claimed here. | Factory-verified |
| PDM | Black Pack | 2019 | includes 22 inch 5-spoke silver bright machined wheels with high-gloss Black (SEW) and 4 inch black round assist steps (RVS); LPO; no other 22 inch wheels or assist steps, no substitutions; 2019 marks: Sierra: not offered; SLE: available (footnoted); the guide's Black Pack entry; the 2014 Bed Protection package (PDM) is another meaning. | Factory-verified |
| PDQ | LPO, Chrome Appearance package | 2014 | Factory-verified | |
| PDT | SLT Crew Cab Premium Plus package | 2016, 2018 | new for 2016; only in: Crew Cab; GM uses PDT for a different package on the Silverado. | Factory-verified |
| PDU | SLE Value package | 2014, 2016, 2018–2019 | GM uses PDU for a different package on the Silverado. | Factory-verified |
| PDY | All Terrain Chrome Bumpers package | 2014 | GM uses PDY for a different package on the Silverado. | Factory-verified |
| PEC | Denali Ultimate package | 2016 | new for 2016; only in: 4WD Denali 1500 (the guide marks it not available on the 2500HD and 3500HD); GM uses PEC for a different package on the Silverado. | Factory-verified |
| SAM | LPO, Underbody Shield package, transfer case protection | 2016–2019 | | Factory-verified |
| STF | All Terrain X package | 2016–2018 | new for 2016; only in: 4WD Crew Cab and Double Cab. | Factory-verified |
| SXL | Elevation Edition | 2016, 2018–2019 | new for 2016; the 2017 manual prints SXL only as an unnamed sales package, so 2017 is not claimed. | Factory-verified |
| U42 | Entertainment package | 2014, 2016–2018 | rear seat DVD/Blu-ray player with 9.2 inch screen. | Factory-verified |
| VYU | Snow plow prep package | 2016–2018 | Factory-verified | |
| Y65 | Driver Alert package | 2014 | SLT; Lane Departure Warning, Forward Collision Alert and Safety Alert Seat; the 2016 Denali guide shows it on the 2500HD and 3500HD only. | Factory-verified |
| Y86 | Enhanced Driver Alert package | 2016, 2018 | new for 2016. | Factory-verified |
| Z71 | Z71 package, off-road | 2014, 2016–2019 | GM's guides call it the Off-Road Suspension Package; the 2016 guide requires 4WD. | Factory-verified |
| Z82 | Trailering package | 2014, 2016–2019 | hitch with 7-pin and 4-pin connectors. | Factory-verified |
| Equipment | ||||
| 5JY | LPO, Tonneau cover, soft folding | 2014, 2016–2019 | | Factory-verified |
| A31 | Windows, power | 2014, 2016–2019 | driver express up and down; the 2017 manual adds do not use on new or major programs. | Factory-verified |
| A48 | Window, rear, power sliding | 2016–2018 | with rear defogger. | Factory-verified |
| A60 | Tailgate, locking | 2014, 2016–2019 | | Factory-verified |
| A68 | Seat, rear, 60/40 folding bench | 2014, 2016–2019 | | Factory-verified |
| A91 | Tailgate, remote locking | 2016–2019 | new for 2016. | Factory-verified |
| A95 | Seats, front, cloth bucket | 2014, 2016–2018 | heated, 10 way power driver and 6 way power passenger. | Factory-verified |
| AE7 | Seats, front, 40/20/40 split-bench | 2014, 2016–2019 | cloth or vinyl. | Factory-verified |
| AG1 | Seat adjuster, driver, 10 way power | 2014, 2016–2019 | | Factory-verified |
| AKO | Glass, deep-tinted | 2014, 2016–2019 | GM's lists print the letter O; no zero form exists. | Factory-verified |
| AKP | Glass, solar absorbing | 2014, 2016–2019 | | Factory-verified |
| AL0 | Air bag, Passenger Sensing System | 2016–2017 | standard on the Denali 1500 (the guide marks it not available on the 2500HD and 3500HD). | Factory-verified |
| AM7 | Seat, rear, full-width folding bench | 2016–2019 | | Factory-verified |
| AN3 | Seats, front, full-feature leather-appointed bucket | 2014, 2016, 2018 | heated; 10 way power in the Sierra 1500 guides, 12 way power in the Denali guide; the 2017 manual reads an individual (non-bucket) seat, so 2017 is not claimed. | Factory-verified |
| AQQ | Remote keyless entry | 2014, 2016–2019 | | Factory-verified |
| AU3 | Door locks, power | 2014, 2016–2019 | | Factory-verified |
| AY0 | Air bags, dual-stage frontal and side-impact, driver and front passenger, head-curtain and seat-mounted side-impact, front and rear outboard seating positions | 2014, 2016–2019 | the Denali guide's 1500 entry omits the seat-mounted bags. | Factory-verified |
| AZ3 | Seats, front, 40/20/40 split-bench | 2014, 2016–2019 | unlike AE7, adds a lockable storage compartment in the seat cushion; cloth or leather-appointed. | Factory-verified |
| B1J | Wheelhouse liners, rear | 2014, 2016–2019 | | Factory-verified |
| B30 | Floor covering, color-keyed carpeting | 2014, 2016–2019 | | Factory-verified |
| B3F | Seats, front, 40/20/40 leather-appointed split-bench | 2014, 2016–2018 | heated, 10 way power driver and passenger, driver memory. | Factory-verified |
| B58 | Floor mats, color-keyed carpeted, first and second row | 2014, 2016–2018 | | Factory-verified |
| B85 | Moldings, bodyside, chrome | 2014, 2016–2018 | the 2017 manual reads bright; the Silverado K2XX doc reads bodyside moldings without the finish. | Factory-verified |
| B86 | Moldings, bodyside, body-color | 2014, 2016–2019 | the Silverado K2XX doc reads bodyside moldings without the finish. | Factory-verified |
| BG9 | Floor covering, Graphite rubberized vinyl | 2014, 2016–2019 | | Factory-verified |
| BRS | Power steps, Tri-Mode, rearward articulating | 2016–2017 | new for 2016; only in: Denali 1500; part of the Denali Ultimate package (PEC). | Factory-verified |
| BTV | Remote vehicle starter system | 2014, 2016–2019 | | Factory-verified |
| BVQ | Assist steps, chromed tubular, 6 inch rectangular | 2014, 2016–2018 | factory-installed; the Silverado K2XX doc reads chromed tubular assist steps without the size. | Factory-verified |
| BWN | CornerStep, rear bumper | 2014, 2016–2019 | | Factory-verified |
| C3J | GVWR, 6700 lbs (3039 kg) | 2016, 2018 | Factory-verified | |
| C49 | Defogger, rear window | 2014, 2016–2019 | | Factory-verified |
| C5H | GVWR, 6900 lbs (3130 kg) | 2014, 2016, 2018 | Factory-verified | |
| C5S | GVWR, 6600 lbs (2994 kg) | 2016, 2018 | Factory-verified | |
| C5U | GVWR, 6800 lbs (3084 kg) | 2016, 2018 | Factory-verified | |
| C5W | GVWR, 7000 lbs (3175 kg) | 2014, 2016, 2018–2019 | | Factory-verified |
| C5Y | GVWR, 7100 lbs (3221 kg) | 2014, 2016, 2018 | Factory-verified | |
| C5Z | GVWR, 7200 lbs (3266 kg) | 2014, 2016, 2018–2019 | | Factory-verified |
| C67 | Air conditioning, single-zone | 2014, 2016–2019 | | Factory-verified |
| C6C | GVWR, 7400 lbs (3357 kg) | 2016, 2018 | Factory-verified | |
| C6G | GVWR, 7600 lbs (3447 kg) | 2016, 2018 | Factory-verified | |
| C7K | GVWR, 6500 lbs (2948 kg) | 2016, 2018 | Factory-verified | |
| CF5 | Sunroof, power | 2014, 2016–2018 | | Factory-verified |
| CGN | Bed liner, spray-on | 2016–2019 | the 2016 Sierra 1500 guide's liner carries the GMC logo, the Denali guide's the Denali logo. | Factory-verified |
| CJ2 | Air conditioning, dual-zone automatic climate control | 2014, 2016–2019 | | Factory-verified |
| CTD | Cargo tie downs, 4, movable upper | 2014, 2016–2019 | | Factory-verified |
| D07 | Console, floor | 2014, 2016–2018 | the 2016 guide adds wireless charging (K4C). | Factory-verified |
| D75 | Door handles, body-color | 2014, 2016–2019 | | Factory-verified |
| DD8 | Mirror, inside rearview, auto-dimming | 2014, 2016–2018 | | Factory-verified |
| DE2 | Mirrors, outside, manual, Black | 2014, 2016–2019 | | Factory-verified |
| DF2 | Mirrors, outside, high-visibility vertical camper-style, Black | 2014, 2016–2018 | manual folding and extending; the 2016 guide reads vertical trailering; the 2017 manual reads wide load, folding, stainless steel. | Factory-verified |
| DH6 | Visors, driver and front passenger, illuminated vanity mirrors | 2014, 2016–2019 | | Factory-verified |
| DL3 | Mirrors, outside, chrome cap, heated, power-adjustable, power-folding | 2014, 2016–2018 | driver-side auto-dimming, turn signal indicators and puddle lamps; the Silverado K2XX doc reads chrome cap mirrors only. | Factory-verified |
| DL8 | Mirrors, outside, heated, power-adjustable | 2014, 2016–2019 | | Factory-verified |
| DP6 | Mirror caps, body-color | 2016–2019 | | Factory-verified |
| DP9 | Mirror caps, chrome | 2016–2018 | Factory-verified | |
| DPN | Mirrors, outside, heated, power-adjustable, vertical camper, manual-folding and extending, Black | 2014, 2016–2018 | the 2016 guide reads vertical trailering. | Factory-verified |
| DQS | Mirrors, outside, heated, power-adjustable, vertical trailering, power-folding and manual-extending, chrome | 2016–2018 | memory; the Silverado K2XX doc reads it as DPN's twin. | Factory-verified |
| E20 | Door handles, chrome | 2014, 2016–2018 | | Factory-verified |
| E5D | LPO, Interior driver assist handle | 2014, 2016–2017 | Factory-verified | |
| E63 | Pickup box | 2016–2019 | the 2017 manual reads fleetside pickup box. | Factory-verified |
| FHS | E85 FlexFuel capable | 2016–2018 | Factory-verified | |
| IO3 | Audio system, 4.2 inch diagonal color display, AM/FM stereo, USB, auxiliary jack | 2014, 2016–2017 | the code is written with the letter O in GM's lists; the 2014 guide adds an SD card slot. | Factory-verified |
| IO4 | Audio system, 4.2 inch diagonal color display with IntelliLink, AM/FM stereo, USB ports, auxiliary jack, SD card slot, Bluetooth | 2014 | the code is written with the letter O in GM's lists; the Silverado K2XX doc reads Chevrolet MyLink. | Factory-verified |
| IO5 | Audio system, 8 inch diagonal color touch screen, AM/FM/SiriusXM, HD Radio, USB ports, auxiliary jack | 2014, 2016–2019 | the code is written with the letter O in GM's lists; IntelliLink in the 2014 and 2016 guides, GMC Infotainment System in the 2018 and 2019 guides; the 2014 guide adds an SD card slot, the 2016 guide Apple CarPlay; the Silverado K2XX doc reads Chevrolet MyLink. | Factory-verified |
| IO6 | Audio system, 8 inch diagonal color touch screen navigation, AM/FM/SiriusXM, HD Radio, USB ports, auxiliary jack | 2014, 2016–2018 | the code is written with the letter O in GM's lists; IntelliLink in the 2014 and 2016 guides, GMC Infotainment System in the 2018 guide; the 2014 guide adds an SD card slot, the 2016 guide Apple CarPlay; the Silverado K2XX doc reads Chevrolet MyLink. | Factory-verified |
| IOB | Audio system, 7 inch diagonal color touch screen, AM/FM, USB ports, auxiliary jack | 2016–2019 | new for 2016; the code is written with the letter O in GM's lists; IntelliLink in the 2016 guide, GMC Infotainment System in the 2018 and 2019 guides. | Factory-verified |
| JD9 | Brakes, 4 wheel disc with DURALIFE rotors, 4 wheel antilock | 2014, 2016–2019 | | Factory-verified |
| JF4 | Pedals, power-adjustable | 2014, 2016–2018 | | Factory-verified |
| JHD | Hill Descent Control | 2014, 2016–2019 | | Factory-verified |
| JL1 | Trailer brake controller, integrated | 2014, 2016–2019 | | Factory-verified |
| K05 | Engine block heater | 2014, 2016–2019 | | Factory-verified |
| K34 | Cruise control | 2014, 2016–2019 | steering wheel-mounted. | Factory-verified |
| K47 | Air cleaner, high-capacity | 2014, 2016–2019 | | Factory-verified |
| K4C | Wireless charging | 2016–2018 | new for 2016. | Factory-verified |
| KA1 | Seating, heated, driver and front passenger | 2014, 2016–2019 | | Factory-verified |
| KB6 | Seating, heated and cooled, perforated leather-appointed front bucket | 2014, 2016 | the 2016 guides read heated and vented; the 2017 manual also prints KQV (vented front seats), the Silverado K2XX doc found KB6 replaced by KQV for 2017, and the 2018 Sierra 1500 guide prints KQV, so 2017 is not claimed. | Factory-verified |
| KC4 | Cooling, external engine oil cooler | 2014, 2016–2019 | | Factory-verified |
| KG4 | Alternator, 150 amps | 2014, 2016–2019 | | Factory-verified |
| KI4 | Power outlet, 110 volt | 2014, 2016–2019 | | Factory-verified |
| KNP | Cooling, auxiliary external transmission oil cooler | 2014, 2016–2019 | | Factory-verified |
| KW7 | Alternator, 170 amps | 2016–2018 | Factory-verified | |
| N33 | Steering column, tilt wheel | 2014, 2016–2019 | manual tilt. | Factory-verified |
| N37 | Steering column, manual tilt and telescoping | 2014, 2016–2019 | | Factory-verified |
| NKC | Active Noise Cancellation | 2014, 2016–2018 | | Factory-verified |
| NP5 | Steering wheel, leather-wrapped | 2014, 2016–2019 | | Factory-verified |
| NZG | Wheels, 20 x 9, ultra-bright machined aluminum | 2016–2017 | only in: Denali 1500 (the guide marks it not available on the 2500HD and 3500HD); same wording as RD3. | Factory-verified |
| NZH | Wheels, 20 x 9, ultra-bright machined aluminum with painted accents | 2014, 2016–2018 | | Factory-verified |
| NZM | Wheels, 20 x 9, chrome aluminum | 2014, 2017 | Factory-verified | |
| NZP | Wheels, 20 x 9, chrome-clad aluminum | 2016–2018 | new for 2016. | Factory-verified |
| NZQ | Wheels, 20 x 9, Black-painted aluminum | 2016–2019 | | Factory-verified |
| NZT | Wheels, 20 x 9, polished aluminum | 2016–2017 | only in: Denali 1500; the 2016 Denali guide says no longer available as of December 24, 2015; same wording as RD5. | Factory-verified |
| NZZ | Underbody shield | 2014, 2016–2019 | transfer case protection; the Denali guide describes frame-mounted front shields. | Factory-verified |
| PDP | Headlamps, LED, GMC signature LED lighting | 2016 | new for 2016. | Factory-verified |
| PPA | Tailgate, EZ-Lift and Lower | 2014, 2016–2019 | the Silverado K2XX doc reads EZ-Lift. | Factory-verified |
| Q5W | Wheels, 17 x 8, premium painted aluminum, bright-machined | 2014, 2016–2019 | | Factory-verified |
| QSS | Tires, P275/55R20 all-season, blackwall | 2014, 2016–2018 | | Factory-verified |
| QXN | Tires, P265/65R18 on-/off-road, blackwall | 2016 | new for 2016; the Silverado K2XX doc found QXN deleted for 2017, so 2017 is not claimed although the shared 2017 manual (p.27) still prints it. | Factory-verified |
| R8M | Assist step delete, BVQ factory-installed 6 inch chrome tubular rectangular | 2016 | only in: Denali 1500; required with the power steps (BRS) or the LPO 4 inch round steps (VXJ); the guide prints a second R8M, a VXH delete, for the 2500HD and 3500HD only. | Factory-verified |
| R8R | Bed liner delete, spray-on | 2016 | only in: Denali. | Factory-verified |
| RBW | Tires, P265/65R18 all-terrain, white outlined letter | 2014, 2016–2018 | | Factory-verified |
| RBX | Tires, P265/65R18 all-terrain, blackwall | 2014, 2016–2019 | | Factory-verified |
| RBZ | Tires, P255/70R17 all-season, blackwall | 2014, 2016–2019 | | Factory-verified |
| RC3 | Tires, P265/70R17 all-terrain, blackwall | 2014, 2016–2019 | | Factory-verified |
| RC4 | Tire, spare P265/70R17 all-season, blackwall | 2014, 2016–2018 | | Factory-verified |
| RC5 | Tires, LT265/70R17C all-terrain, blackwall | 2014, 2016–2018 | | Factory-verified |
| RC7 | Tires, P275/55R20 all-terrain, blackwall | 2014, 2016–2019 | | Factory-verified |
| RCW | Wheels, 18 x 8.5, polished aluminum | 2014, 2016–2018 | | Factory-verified |
| RD3 | Wheels, 20 x 9, ultra-bright machined aluminum | 2014, 2016–2019 | same wording as NZG. | Factory-verified |
| RD5 | Wheels, 20 x 9, polished aluminum | 2016–2018 | same wording as NZT. | Factory-verified |
| RD6 | Wheels, 17 x 8, painted steel | 2014, 2016–2019 | | Factory-verified |
| RD7 | Wheels, 17 x 8, stainless steel clad | 2014, 2016–2018 | | Factory-verified |
| REG | Wheels, 18 x 8.5, 5 spoke, Black-painted alloy | 2016–2018 | new for 2016. | Factory-verified |
| RHH | Tires, P285/45R22 SL 110H all-terrain, blackwall | 2014, 2016–2019 | | Factory-verified |
| RHM | Tire, spare LT265/70R17 all-terrain, blackwall | 2014, 2016–2018 | | Factory-verified |
| RI8 | Tires, 265/65R18SL MT 114S blackwall | 2016–2018 | new for 2016; Goodyear Wrangler DuraTrac. | Factory-verified |
| RIA | LPO, Floor liner, all-weather | 2016–2019 | new for 2016. | Factory-verified |
| RKX | Tires, P265/65R18 all-season, blackwall | 2014, 2017–2018 | Factory-verified | |
| RT5 | Wheels, 18 x 8.5, chrome aluminum | 2014, 2017 | Factory-verified | |
| RTL | Wheels, 20 x 9, chrome | 2016–2017 | new for 2016; only in: Denali 1500 (the guide marks it not available on the 2500HD and 3500HD). | Factory-verified |
| RUF | Wheel, spare, full-size, 17 steel | 2014, 2016–2017 | Factory-verified | |
| RVQ | LPO, Assist step, tubular, Black, 6 inch rectangular | 2014, 2016–2019 | | Factory-verified |
| RVS | LPO, Assist steps, tubular, Black, 4 inch round | 2014, 2016–2019 | | Factory-verified |
| RW6 | LPO, Bed storage box, metal | 2014, 2017 | Factory-verified | |
| RWI | LPO, Bodyside moldings, chrome | 2014, 2017–2018 | Factory-verified | |
| RWS | LPO, Floor mats, carpeted | 2014, 2017 | front and rear. | Factory-verified |
| RX1 | LPO, Wheels, 22 inch (55.9 cm) 7 spoke, Silver with Black inserts | 2014, 2016–2019 | | Factory-verified |
| RXN | LPO, Wheels, 22 inch (55.9 cm), chrome inserts | 2016–2017 | new for 2016; only in: Denali 1500 with the Denali Ultimate package (PEC). | Factory-verified |
| RXQ | LPO, Bed net | 2014, 2017 | Factory-verified | |
| RZB | LPO, Grille, body-color accented | 2014, 2017 | Factory-verified | |
| S0P | LPO, Console insert organizer tray | 2014, 2016–2017 | the 2014 guide reads console insert. | Factory-verified |
| S2B | Wheel, spare, full-size, 17 x 7 aluminum | 2014, 2017 | Factory-verified | |
| S6L | LPO, Assist step, accessory | 2016, 2018–2019 | new for 2016; the 2017 manual prints S6L as a rocker panel protector, another reading, so 2017 is not claimed. | Factory-verified |
| S6V | LPO, Cargo box retractable side assist step | 2014, 2016–2017 | the 2016 guide reads driver side only. | Factory-verified |
| SAF | Tire carrier lock | 2014, 2016–2019 | keyed to the ignition and door key. | Factory-verified |
| SB1 | LPO, Splash guards, flat | 2014, 2017 | Black. | Factory-verified |
| SB7 | LPO, Bedside decal, Z71 | 2014, 2017 | the 2017 manual reads decal package, design 1. | Factory-verified |
| SB9 | LPO, Bedside decal, 4x4 | 2014, 2017 | the 2017 manual reads decal package, design 2. | Factory-verified |
| SCZ | LPO, Tailgate handle, chrome | 2014, 2016–2018 | | Factory-verified |
| SDA | LPO, Recovery hooks, chrome | 2014, 2017 | Factory-verified | |
| SEU | LPO, Wheels, 22 inch (55.9 cm) chrome, 6 spoke, multi-featured design | 2014, 2017 | same wording as SEY and SEZ. | Factory-verified |
| SEV | LPO, Wheels, 22 inch (55.9 cm) 6 spoke, Black | 2014, 2016–2019 | the 2016 guide reads high-gloss Black. | Factory-verified |
| SEW | LPO, Wheels, 22 inch (55.9 cm) 5 spoke, Silver ultra-bright machined with high-gloss Black | 2014, 2016–2019 | | Factory-verified |
| SEY | LPO, Wheels, 22 inch (55.9 cm) chrome, 6 spoke, multi-featured design | 2014, 2017 | same wording as SEU and SEZ. | Factory-verified |
| SEZ | LPO, Wheels, 22 inch (55.9 cm) chrome, 6 spoke, multi-featured design | 2014, 2017 | same wording as SEU and SEY. | Factory-verified |
| SF0 | LPO, Wheels, 22 inch (55.9 cm) 6 spoke, premium Silver ultra-bright machined | 2016–2019 | | Factory-verified |
| SF1 | LPO, Wheels, 22 inch (55.9 cm) 7 spoke, Silver | 2014, 2016–2019 | | Factory-verified |
| SF6 | LPO, Wheel arch moldings, body-color | 2014, 2017 | new for 2014; the 2016 Denali guide marks it for the 2500HD and 3500HD only. | Factory-verified |
| SF8 | LPO, Bedside decal, Z71/4WD | 2014, 2017 | the 2017 manual reads decal package, design 3. | Factory-verified |
| SFE | LPO, Wheel locks | 2014, 2016–2019 | | Factory-verified |
| SFV | LPO, GMC WiFi | 2014, 2017 | new for 2014; the 2017 manual reads wireless network interface module. | Factory-verified |
| T3U | Fog lamps, front | 2014, 2016–2019 | halogen in 2014; thin-profile LED, new, in 2016. | Factory-verified |
| T4F | Headlamps, high-intensity discharge projector-beam, LED signature | 2016–2019 | new for 2016. | Factory-verified |
| TG5 | CD/MP3 player, single-slot | 2014, 2016–2019 | | Factory-verified |
| TL1 | Grille, Denali chrome | 2016–2017 | only in: Denali. | Factory-verified |
| TQ5 | Headlamps, IntelliBeam automatic high beam | 2016–2018 | new for 2016. | Factory-verified |
| TRB | Grille surround, body-color | 2016–2019 | new for 2016. | Factory-verified |
| TRW | Provision for cab roof-mounted lamp or beacon | 2016–2018 | Factory-verified | |
| U2K | SiriusXM Satellite Radio | 2016–2019 | | Factory-verified |
| U2L | Radio, HD | 2016–2019 | new for 2016. | Factory-verified |
| U2M | SiriusXM Satellite Radio and HD Radio | 2014 | Factory-verified | |
| UD5 | Park assist, front and rear | 2014, 2016–2018 | | Factory-verified |
| UD7 | Park assist, rear | 2014, 2016–2018 | | Factory-verified |
| UDC | Driver Information Center, 3.5 inch diagonal monochrome display | 2014, 2016–2019 | the Silverado K2XX doc reads Driver Information Center without the display. | Factory-verified |
| UDD | Driver Information Center, 4.2 inch diagonal color display | 2014, 2016–2019 | | Factory-verified |
| UE1 | OnStar plan, 6 months | 2014, 2016 | the 2014 guide names the Directions and Connections plan, the 2016 guides the Guidance Plan; the Silverado K2XX doc reads the Directions and Connections plan; the 2018 guide prints a limited-trial Guidance Plan with no term, so 2018 is not claimed; the 2019 guide reads OnStar and GMC connected services capable. | Factory-verified |
| UEU | Forward Collision Alert | 2016–2018 | Factory-verified | |
| UF2 | LED lighting, cargo box | 2014, 2016–2019 | | Factory-verified |
| UG1 | Universal Home Remote | 2014, 2016–2019 | | Factory-verified |
| UHN | Wheels, 18 x 8.5, bright-machined aluminum | 2014, 2016–2019 | | Factory-verified |
| UHX | Lane Keep Assist | 2016–2018 | new for 2016. | Factory-verified |
| UJ5 | LPO, Rear seat DVD entertainment system, dual 7 inch headrest monitors | 2016–2018 | new for 2016. | Factory-verified |
| UJM | Tire Pressure Monitoring System | 2014, 2016–2019 | | Factory-verified |
| UK3 | Steering wheel audio controls | 2014, 2016–2019 | | Factory-verified |
| UQ3 | Audio system, 6 speaker | 2014, 2016–2019 | the 2017 manual reads enhanced audio. | Factory-verified |
| UQ5 | Audio system, 4 speaker | 2016–2017 | Factory-verified | |
| UQA | Audio system, Bose, 6 speaker | 2014, 2016–2018 | 7 speakers with a subwoofer when ordered with bucket seats. | Factory-verified |
| UQG | Audio system, 6 speaker, with amplifier | 2014, 2016–2018 | the guides print it as the 6 speaker system that comes with Active Noise Cancellation (NKC); "with amplifier" rests on the 2017 manual. | Factory-verified |
| UTJ | Theft-deterrent system | 2014, 2016–2019 | | Factory-verified |
| UVC | Rear vision camera | 2014, 2016–2019 | | Factory-verified |
| UVD | Steering wheel, heated | 2014, 2016–2018 | | Factory-verified |
| V22 | Grille surround, chrome | 2014, 2016–2019 | | Factory-verified |
| V46 | Bumper, front, chrome | 2014, 2016–2019 | the 2016 guide reads front chrome lower bumper. | Factory-verified |
| V76 | Recovery hooks, front, frame-mounted | 2014, 2016–2019 | | Factory-verified |
| VAV | LPO, Floor mats, all-weather | 2014, 2016–2018 | | Factory-verified |
| VB5 | Bumper, front, body-color | 2014, 2016–2019 | | Factory-verified |
| VBJ | LPO, Rear underseat storage, composite storage bin | 2014, 2016–2019 | | Factory-verified |
| VBN | LPO, Bed rug | 2014, 2017 | Factory-verified | |
| VBR | LPO, Bed mat, rubber | 2014, 2016–2018 | | Factory-verified |
| VJH | Bumper, rear, chrome | 2014, 2016–2019 | with CornerSteps. | Factory-verified |
| VK3 | License plate kit, front | 2014, 2016–2019 | | Factory-verified |
| VKW | LPO, Console insert expandable folder tote | 2014, 2016–2018 | the 2014 guide reads front console organizer. | Factory-verified |
| VPB | LPO, Tonneau cover, vinyl with integrated support bows | 2014, 2016–2019 | | Factory-verified |
| VQK | LPO, Splash guards, molded, front and rear | 2014, 2016–2019 | Black. | Factory-verified |
| VQL | LPO, Fuel door, chrome | 2014, 2017 | Factory-verified | |
| VQT | LPO, Tonneau cover, hard tri-folding with vinyl cover | 2014, 2016–2019 | | Factory-verified |
| VQY | LPO, Recovery hooks, chrome | 2016–2019 | in the Denali Ultimate package (PEC) on the 2016 Denali 1500; an LPO on the 2018 Sierra 1500. | Factory-verified |
| VQZ | LPO, Exhaust tip, polished | 2014, 2016–2019 | | Factory-verified |
| VRV | LPO, Splash guards, molded, body-color | 2014, 2016–2019 | | Factory-verified |
| VT5 | Bumper, rear, body-color | 2014, 2016–2019 | the 2014 guide reads without CornerSteps, the 2016 guides with corner steps. | Factory-verified |
| VUK | LPO, Tailgate liner | 2014, 2017 | Factory-verified | |
| VV4 | OnStar with 4G LTE | 2016–2019 | new for 2016; built-in Wi-Fi hotspot; the 2019 guide names it GMC 4G LTE. | Factory-verified |
| VXH | LPO, Assist steps, chromed tubular, 6 inch rectangular | 2016–2019 | the 2017 manual reads oval; the Silverado K2XX doc reads chromed tubular assist steps without the size. | Factory-verified |
| VXJ | LPO, Assist steps, chromed tubular, 4 inch round | 2014, 2016–2019 | the Silverado K2XX doc reads chromed tubular assist steps without the size. | Factory-verified |
| VZX | LPO, Bed liner | 2014, 2016–2019 | | Factory-verified |
| WBC | LPO, Exhaust system, cat-back performance upgrade | 2016–2019 | new for 2016; part of the All Terrain X package (STF). | Factory-verified |
| Z95 | Suspension, Magnetic Ride Control | 2016–2017 | only in: Denali 1500 (standard; the guide marks it not available on the 2500HD and 3500HD). | Factory-verified |
| ZBZ | Tire, spare P255/70R17 all-season, blackwall | 2014, 2016–2019 | | Factory-verified |
| ZW9 | Pickup box delete | 2016–2018 | new for 2016; only in: Regular Cab. | Factory-verified |
| Paint | ||||
| G1C | Paint, Light Steel Gray Metallic | 2016 | extra charge. | Factory-verified |
| G1E | Paint, Crimson Red Tintcoat | 2016 | new for 2016; extra charge; not with the base Sierra (1SA). | Factory-verified |
| G1F | Paint, Mahogany Metallic | 2016 | new for 2016; extra charge. | Factory-verified |
| G1K | Paint, Stone Blue Metallic | 2016, 2018–2019 | extra charge. | Factory-verified |
| G1W | Paint, White Frost Tricoat | 2016, 2018 | new for 2016; extra charge; not with the base Sierra (1SA) or on Double Cab or Regular Cab. | Factory-verified |
| G56 | Paint, Stealth Gray Metallic | 2014 | Factory-verified | |
| G7C | Paint, Cardinal Red | 2016, 2018–2019 | new for 2016. | Factory-verified |
| GAN | Paint, Quicksilver Metallic | 2014, 2016, 2018–2019 | extra charge in 2016. | Factory-verified |
| GAZ | Paint, Summit White | 2014, 2016, 2018–2019 | | Factory-verified |
| GBA | Paint, Onyx Black | 2014, 2016, 2018–2019 | | Factory-verified |
| GBN | Paint, White Diamond Tricoat | 2014 | extra charge; not with the base Sierra (1SA) or on Double Cab or Regular Cab. | Factory-verified |
| GCE | Paint, Sonoma Red Metallic | 2014 | Factory-verified | |
| GCN | Paint, Fire Red | 2014 | not with the All Terrain package (GAT). | Factory-verified |
| GTS | Paint, Cobalt Blue Metallic | 2014 | not with the All Terrain package (GAT). | Factory-verified |
| GWX | Paint, Bronze Alloy Metallic | 2014 | not with the All Terrain package (GAT). | Factory-verified |
| GXG | Paint, Iridium Metallic | 2014, 2016 | extra charge in 2016. | Factory-verified |
| Interior Trim | ||||
| H0U | Interior trim, Jet Black, cloth | 2014, 2016–2019 | SLE (3SA), with the 40/20/40 bench (AZ3) or cloth buckets (A95). | Factory-verified |
| H1Y | Interior trim, Jet Black, leather-appointed | 2014, 2016–2017 | SLE (3SA) leather-appointed 40/20/40 bench (AZ3). | Factory-verified |
| H2Q | Interior trim, Jet Black and Dark Ash, vinyl | 2014, 2016–2019 | base Sierra (1SA) 40/20/40 bench (AE7); the 2016 and later guides name the color Dark Ash seats with Jet Black accents. | Factory-verified |
| H2R | Interior trim, Jet Black and Dark Ash, cloth, base | 2014, 2016–2019 | base Sierra (1SA) 40/20/40 bench (AE7); the 2016 and later guides name the color Dark Ash seats with Jet Black accents. | Factory-verified |
| H2S | Interior trim, Jet Black and Dark Ash, cloth, SLE | 2014, 2016–2018 | SLE (3SA), with the 40/20/40 bench (AZ3) or cloth buckets (A95); the 2016 and later guides name the color Dark Ash seats with Jet Black accents. | Factory-verified |
| H2T | Interior trim, Cocoa and Dune, cloth | 2014, 2016–2018 | SLE (3SA), with the 40/20/40 bench (AZ3) or cloth buckets (A95). | Factory-verified |
| H2Z | Interior trim, Jet Black, cloth, All Terrain | 2014, 2016–2017 | cloth buckets (A95) with the All Terrain package (GAT); the 2016 guide names the color Jet Black and Spice Red. | Factory-verified |
| Internal / Process | ||||
| FE9 internal | Emissions, federal requirements | 2014, 2016–2019 | | Factory-verified |
| NB8 internal | Emissions override, California | 2014, 2016, 2018–2019 | | Factory-verified |
| NB9 internal | Emissions override, state-specific | 2014, 2016, 2018–2019 | | Factory-verified |
| NC7 internal | Emissions override, federal | 2014, 2016, 2018–2019 | | Factory-verified |
| NE1 internal | Emissions, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements | 2014, 2016–2019 | | Factory-verified |
| YF5 internal | Emissions, California state requirements | 2014, 2016–2019 | | Factory-verified |
Source document: gmc/sierra-k2xx.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.