The 2021 Sierra 1500 receives quite a few updates and changes, including new colors, new wheel availability, new standard features, and package-related changes. 2021 represents the third model year of the fourth-generation GMC Sierra 1500.
Model Line
- Deletion of 2WD Standard Bed Crew model (TC10743)
- Double Cab models no longer available on SLT and AT4
Exterior
- Addition of four new exterior colors:
- Ebony Twilight Metallic
- Cayenne Red Tintcoat
- Hunter Metallic
- Brownstone Metallic
- Deletion of four exterior colors:
- Deep Mahogany Metallic
- Red Quartz Tintcoat
- Smokey Quartz Metallic
- Carbon Black Metallic
- Addition of the following LPO-level items:
- AT4 high clearance step
- 22-inch Multi-spoke Polished wheels (SES)
- Deletion of manual tailgate function with lift assist
- GMC MultiPro Tailgate is now available on SLE (3SA) and AT4 (3SB) models
Interior
- Addition of wireless Apple CarPlay and Android Auto
- Addition of premium floor liners with removable carpet inserts
- Now standard on AT4 models
- Sirius XM Radio is standard on SLE (3SA) and Elevation (3SB) models
- Dark Walnut / Slate is no longer available on Elevation Trim
- Sunroof no longer available on SLE (3SA) and AT4 (3SB) models
- Front 40/20/40 split-bench with covered armrest storage is now standard on base Sierra (1SA) models
- For the 2020 model year, the covered armrest storage was only available with models equipped with the turbocharged 2.7-liter L3B four-cylinder engine
- Bucket seats are now available as an option on all Elevation (3SB) models
- For the 2020 model year, the front bucket seat option was only available for models equipped with the Elevation Convenience Package
- Improved towing technology features
Mechanical
- Addition of LT265/60R20 MT blackwall Goodyear Wrangler Territory tires
- Increased maximum tow ratings for models powered by turbocharged 2.7L I-4 L3B gasoline engine and 3.0L I-6 LM2 turbo-diesel Duramax engine
Packages
- AT4 CarbonPro Edition wheels may be upgraded to 20-inch 6-spoke Carbon Grey painted aluminum (NZQ) wheels with LT265/60R20 MT blackwall Goodyear Wrangler Territory (QFV) tires
- For the 2020 model year, only the standard wheel was available for the AT4 model
- SLE Value Package now standard on SLE models, includes:
- Auto-locking rear differential
- SLE Convenience Package:
- Dual climate control
- 10-way power driver seat including power lumbar
- Heated driver and passenger seats
- Heated steering wheel
- Manual tilt/telescoping steering column
- 2 charge-only USB ports for second row
- Rear-window defogger
- Steering column lock
- Keyless Open and Start
- Remote Start
- Content theft alarm
- Front 40/20/40 split-bench with underseat storage
- Cargo bed LED lighting
- Rear auxiliary 12-volt power outlet
- Rear wheelhouse liners
- Trailering Package (Z82):
- Trailer hitch
- 7-pin and 4-pin connectors
- Hitch Guidance
- Elevation Value Package now standard on Elevation models, includes:
- Auto-locking rear differential
- Elevation Convenience Package:
- Dual climate contro
- 10-way power driver seat including power lumbar
- Heated driver and passenger seats
- Heated steering wheel
- Manual tilt/telescoping steering column
- Rear wheelhouse liners
- Crew Cab models include Cloth Rear Seat Storage Package:
- Leather-wrapped steering wheel
- Up-level Rear Seat with Storage Package:
- Full-length bench seat
- 60/40 folding bench for Crew Cab models
- Seatback storage on left and right side
- Center fold out armrest with 2 cupholders
- Underseat storage
- Full-length bench seat
- Trailering Package (Z82):
- Trailer hitch
- 7-pin and 4-pin connectors
- Hitch Guidance
- Addition of X31 Off-Road and Protection Package, which is available on SLE (3SA), Elevation (3SB), and SLT (4SA) models and includes:
- Spray-on bedliner
- All-weather floor liners (LPO-level item)
- Off-Road Package, includes:
- Off-Road suspension
- Hill Descent Control
- Skid plates
- Heavy-duty air filter
- X31 hard badge
- SLE and Elevation models:
- Requires:
- 4WD configuration
- AT tires
- 3.0-liter Duramax LM2 Turbo-Diesel I6 engine or 6.2-liter L87 EcoTec3 V8 engine
- Not available with Max Trailering Package
- Requires:
- Addition of 1SA Safety Confidence Package, which is available on base Sierra (1SA) models and includes:
- Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian Braking
- Cruise Control
- Steering wheel audio controls
- Driver Information Center
- Bed View Camera is no longer available as a free flow item, and is now included and only available with the Technology Package:
- HD Surround Vision
- Rear Camera Mirror
- Bed View Camera
- Multicolor 15-inch Diagonal Head-Up Display
- On SLT models, requires:
- Outside power adjustable vertical trailering mirrors
- Driver Alert Package II
- SLT Preferred Package
- Includes 8-inch Digital Driver information Center.
- On AT4 models, requires:
- Driver Alert Package II and AT4 Preferred Package
- Includes 8-inch Digital Driver information Center
- On Denali models:
- Included with Denali Ultimate Package
- Requires Driver Alert Package II, which includes:
- Deletion of Denali Premium Package, which was exclusive to Denali models and included:
- Technology Package, includes:
- HD Surround Vision
- Rear Camera Mirror
- Bed View Camera
- Multicolor 15-inch Diagonal Head-Up Display
- Driver Alert Package II, includes:
- Forward Collision Alert
- Lane Keep Assist/Lane Departure Warning
- Automatic Emergency Braking
- Front Pedestrian Braking
- IntelliBeam headlamps
- Adaptive Cruise Control-Camera
- Following Distance
- Sunroof
- Wheel lock (LPO-level item)
- 22-inch multi-dimensional polished aluminum (SMF) wheels
- Note: 22-inch multi-dimensional polished aluminum wheels (SMF) can be upgraded to (SEV), (SF0), (SEW), (SEU), (SHD) or (SGM) 22-inch LPO wheels.
- Requires:
- 3.0-liter Duramax LM2 Turbo-Diesel I6 engine or 6.2-liter L87 EcoTec3 V8 engine
- 275/50R22SL all-season, blackwall tires
- Not available with:
- GMC MultiPro Power Steps
- Denali Ultimate Package
- Denali CarbonPro Edition
- Technology Package, includes:
The updates and changes described here are specific to the U.S. market and may differ for other markets.
Discussion
Discuss the 2021 GMC Sierra 1500 in our GMC forum.
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