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THE NEXT GENERATION
2021 GMC SIERRA 1500
The all-new 2021 GMC Sierra 1500 sets the new benchmark for capability, refinement and innovation. Along with its bold design and premium features, the GMC Sierra 1500 ups the ante in the segment with exclusive ride, handling and performance technologies designed to deliver a seamless balance of comfort, control and capability.
The next generation 2021 Sierra's bigger cab and box creates a dominating presence.
With a longer wheelbase, the wheels are located closer to the corners to create a bold stance and offer better use of cabin space. A larger grille helps supply more airflow to the powerful engine.
The GMC Sierra's available dual function mirror can be used as a conventional rear-view mirror or as a camera-based rear-view mirror that helps drivers see around potential vision obstructions such as rear head restraints.
Compared to a traditional interior rear-view mirror, this mirror display provides a wider, less obstructed field of view to assist when driving, changing lanes, and checking for vehicles and traffic conditions. It offers zoom, brightness and vertical tilt driver adjustments.
The new GMC Sierra provides more passenger room, especially in the back seats.
Drivers enjoy a higher, more confidence-inspiring seating position. The cabin features more refined materials and premium details, like real aluminum trim and open pore wood accents.
Rear seat passengers will be more comfortable with new, standard rear HVAC outlets. And there's even some clever new rear seat back storage available.
With six engine choices and 6-,8-, and 10-speed transmissions, the Sierra 1500 has a powertrain to meet every customer's needs.
- 2.7L Turbo I4 (Learn More)
- 4.3L V6
- 5.3L V8 w/ AFM
- 5.3L V8 w/ DFM
- 3.0L I6 Diesel
- 6.2L V8
With more volume and upgraded features - like innovative new tailgate - the 2021 GMC Sierra 1500 takes a cargo-loading experience to a new level.
- Best-in-class cargo volume with the standard steel box
- High-strength, roll formed steel for a more durable bed floor
- The most innovative tailgate ever, the six function GMC MultiPro tailgate. Standard on SLT, AT4, and Denali
Purpose meets style with Sierra's standard high-intensity LED headlamps with unique C-shape LED daytime running lamps, LED tail lamps and available LED glare-reducing fog lamps.
AROUND THE SIERRA 1500
FRONT AND REAR PARK ASSIST
When driving below 8 km/h, this feature provides distance-to-object alerts to help the driver park and avoid nearby detected objects directly ahead of or behind the vehicle during low-speed maneuvering.
HD SURROUND VISION
When driving slowly, this feature can provide the driver a 360-degree view of the scene around the truck on the infotainment screen.
DYNAMIC FUEL MANAGEMENT
The Dynamic Fuel Management (DFM) system is engineered to allow the engine to operate within the full range of one to eight cylinders to offer maximum fuel efficiency gains. But it can instantly provide full power when needed. Included on 5.3L V8 & 6.2L V8.
TRAILER BRAKE CONTROLLER
The Integrated Trailer Brake Controller provides fingertip control and monitoring of your trailer brakes. The in-vehicle trailering app allows drivers to program trailer brake level settings to specific trailer profiles.
PASSIVE KEYLESS ENTRY
Available on the SLE and standard on models above, the Keyless Access system allows for doors and the tailgate to be accessed without getting the key fob out of your pocket or purse. The remote fob must be within 1m (3 ft) of the tailgate or door being opened. If the vehicle has this feature, there will be a button on the outside door handles.
NEW TRAILERING LABEL
This label gives you the exact curb weight, gross vehicle weight rating, and gross combination weight rating for your truck.
SIDE VIEW MIRRORS
Larger than the previous generation, the side view mirrors now include a camera for the HD Surround Vision system as well as a downfacing LED puddle light on SLT and above.
The 2021 Sierra now has a 4” longer wheelbase which provides even more passenger volume and legroom. Taller front steering knuckles allowed engineers to avoid a larger turning radius due to the truck’s longer wheelbase.
With more cargo volume, due to a wider inner box, Sierra beats the competition. Cargo volume is now at 1781 L (62.9 cu.ft.) with short box and 2,030 L (71.7 cu.ft.) with the standard box. 12 total cargo tie-downs—rated up to 227 kg (500 lb.) per corner.
With improvements in loading, unloading and accessing the cargo box, the six distinct functions designed into the available GMC MultiPro Tailgate represent the pinnacle of GMC innovation. Available on SLT, AT4, and Denali trims.
CARGO BOX LIGHTING
To help you see your cargo at night, show off the improved LED cargo box lighting in the side walls and near the rear cab spoiler activated with switch on center switch bank or key fob.
BOX POWER OUTLET
Visible in the rear passenger side of the truck box you will find an available box power outlet with 400-watt power inverter.
REAR SEATING AREA
Larger rear-door openings, more legroom and heated rear outboard seats will help keep your passengers comfortable. We also have innovative rear seat storage available, in the seat backs and beneath the seat cushion.
REAR HVAC SYSTEM
Rear seat HVAC vents with bench or bucket front seats. Available heated
outboard rear seats as well as available rear USB A and C charging ports keep everybody back there comfortable and connected.
WIRELESS CHARGING PAD
When you’re on the road, the 2021 GMC Sierra offers an available wireless charging pad, located within easy reach near the cupholders, keeps your compatible smartphone charged and ready.
There are customers who don’t use a smartphone, and therefore wouldn’t benefit from the MyGMC mobile app - but now, some of that technology is available right here with in-vehicle apps. Available on the base model.