2021 GMC Sierra 1500

Detailed Specifications
Seats and Trim
Max seating capacity: 5
Powertrain
Fuel System: Direct Injection
Fuel tank capacity: 24 gal
Horsepower: 277
Specs and Dimensions
Towing capacity: 8500 lbs
Entertainment
4G LTE Wi-Fi® hotspot capable:
Terms and limitations apply. See onstar.com or dealer for details.
Terms and limitations apply. See onstar.com or dealer for details.
May require additional optional equipment
6-speaker audio system:
Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
Bluetooth®:
Pair your compatible mobile phone to your vehicle’s infotainment system1
Place and receive hands-free phone calls
Store your phone’s contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
GMC Infotainment System with color touchscreen:
Multi-touch display and AM/FM stereo
7″ diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on Sierra 1SA
8″ diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on SLE and Elevation
Bluetooth®2 audio streaming for 2 active devices
Apple CarPlay™ capability for compatible phones3
Android Auto™ capability for compatible phones4
SiriusXM® 3-month All Access Trial Subscription:
Welcome to the world of SiriusXM1
Enjoy the widest variety of entertainment anywhere, including the deepest collection of ad-free music, more sports coverage than anywhere, exclusive talk channels, every kind of comedy and the most complete news coverage
Plus, listen on the SiriusXM app, online and at home on compatible connected devices — it’s included with All Access, so you’ll hear the best SiriusXM has to offer, anywhere life takes you
Steering-wheel mounted controls:
Allow the driver to easily operate the audio system and phone interface controls
May require additional optional equipment
Exterior
17″ 255/80R17SL all-season, blackwall spare tire
17″ full-size spare steel wheel with Black finish
20″ 275/60R20SL all-terrain, blackwall tires
20″ Black gloss painted aluminum wheels
6″ Black rectangular assist steps:
Wheel to wheel, provides easier access to the front of the truck bed closest to the cab
Steps make it easier to get in and out of your vehicle
Textured step pads help provide secure footing
Black powder-coat finish
Body-color door handles
Body-color front bumper
Body-color rear bumper
Cab-mounted cargo area lamps:
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Cargo bed LED lighting:
Provides light to find cargo in the bed
Rear pillar lamps
CornerStep rear bumper:
Helps make it easier to get into and out of the pickup bed
Located at each end of the rear bumper
Textured step pads to help provide secure footing
Deep-tinted glass:
Provides added protection from sun and glare
Front and rear Black GMC emblems
Front license plate bracket:
Front bracket is included if displaying a front license plate is required in your state
GMC MultiPro Tailgate:
Six function tailgate designed to help improve loading, unloading and accessing the cargo box
LED fog lamps:
Help minimize glare in adverse driving conditions
LED headlamps:
Incandescent turn signals
LED signature Daytime Running Lamps
LED tail lamps:
C-shaped LED taillamps with LED stop lights
Incandescent reverse light
Outside power-adjustable vertical trailering mirrors with heated upper glass:
Lower convex mirrors
Integrated turn signal indicators
Clearance lamps and auxiliary lighting
Manual folding/extending
May require additional optional equipment
Rear wheelhouse liners:
Help protect your truck’s rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
Spare tire carrier lock:
Helps keep spare tire secure
Utilizes the same key as the door and ignition
Spray-on bedliner:
Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
Includes logo
Does not include spray-on liner on tailgate due to Black composite inner panel
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release:
Hitch area lighting
May require additional optional equipment
Interior
10-way power driver seat with power lumbar:
Moves the seat forward and back, and up and down
Tilt the seat cushion and seatbacks
12-volt auxiliary front power outlet:
May require additional optional equipment
12-volt auxiliary rear power outlet
4-way manual front passenger seat:
Can be positioned forward or back and up or down
4.2″ diagonal color Driver Information Center:
Includes driver personalization, warning messages and vehicle information
40/20/40 split-bench front seat with under-seat storage:
Seating for up to 3
Driver and front passenger seatbacks recline
Head restraints at the outboard seating positions
Center seatback that doubles as a fold-down armrest with storage
All-weather floor liners:
Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
Include Brand logo
Provides coverage for first and second-row seating
Replaces factory floor mats
Assist handles:
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Brake pad wear indicator
Carpeted floor covering:
Color-keyed to match the interior
Cloth rear seat with storage package:
Seats 3
Includes child seat top tether anchors
Can fold one or both sides up
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage
May require additional optional equipment
Cruise control:
Maintains a selected speed while driving
Automatically disengages when the vehicle’s traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
Set and resume speed functions
Steering-wheel mounted controls to easily maintain and manage cruising speed
Dual-zone automatic climate control:
Automatically maintains the selected temperatures for both the driver and front passenger
Allows individual climate settings for both driver and front passenger
Driver and front passenger can choose a temperature up to 30 degrees difference
Certain vehicles built on or after 9-6-2021 are not equipped with the digital temperature display on the Climate Control Knobs. Contact a dealer for details on a specific vehicle
GMC Connected Access capable:
Subject to terms. See onstar.com or dealer for details.
May require additional optional equipment
Heated driver and front outboard passenger seats:
Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
Individually controlled
Seats can be programmed to automatically warm up when it’s cold out
Heated steering wheel:
With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
Inside rearview auto-dimming mirror:
Automatically dims the inside rearview mirror when it senses bright light from behind
When headlamp glare is no longer detected, the mirror returns to its normal state
Instrumentation:
6-gauge cluster
Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Keyless Open and Start:
With the key fob in your possession, locks and unlocks your car’s doors without having to use the key fob, increasing convenience
With the vehicle in Park or Neutral, press the brake pedal and then press the engine start/stop button to start the engine; the green indicator on the button will illuminate
Shift to Park and press the engine start/stop button to turn off the engine
Leather-wrapped steering wheel:
May require additional optional equipment
Manual tilt and telescoping steering column:
Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
Provides extra comfort when entering or exiting the vehicle
Outside temperature display:
Located in infotainment display
Power door locks:
Programmable
Allows you to lock and unlock doors easily whether it’s from the driver or front passenger seat or from outside using the key fob
Power windows:
Driver with express-up/down
May require additional optional equipment
Power windows:
Front passenger with express down
May require additional optional equipment
Rear air vents:
Provides cabin comfort for rear occupants
Rear window defogger:
Helps to keep your rear view clear of fog or frost
Utilizes a warming grid to help remove fog or frost from the rear window
Remote Start:
Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
Locks doors and turns on parking lamps while the engine is running
Activates the climate control system
Steering column lock control:
Helps prevent theft by allowing the steering wheel to operate only with the proper key fob
Theft-deterrent unauthorized entry system:
Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
Helps deter unauthorized entry, helping to protect your vehicle
USB ports:
2 located on instrument panel1
USB ports:
Second row includes 2 USB charging-only ports1
Mechanical
10-speed automatic transmission:
Electronically controlled transmission with overdrive and Driver Shift Control
Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
Powertrain Grade Braking
Automatically uses the engine and transmission to slow the truck to maintain desired speeds when driving downhill
Reduces brake wear and increases vehicle control
Cruise Grade Braking
Downshifts automatically to slow the truck as it drives downhill if it exceeds the cruise set speed by a certain amount
May require additional optional equipment
2-speed Autotrac Transfer Case:
2WD HI mode
Vehicle operates in 2-wheel drive
In this mode the transfer case & front driveline hardware are disengaged to improve fuel economy
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD Auto enables the transfer-case to provide the performance benefits of a full time active AWD system
The 4WD Auto controls automatically adjust torque in response to parameters such as driver inputs, wheel slip control, vehicle dynamic state (understeer/oversteer)
Ideal for wet or wintry conditions, but can be used on any road surface. Suitable for light off road usage
4WD HI mode
Transfer case engages front driveline and power is transferred to both the front & rear axles
In 4WD HI the transfer case clutch maintains higher preemptive torque levels for increased traction vs 4WD Auto
Suitable for use on slippery road surfaces or off-road conditions such as deep sand, snow or rough terrain
4WD LO mode
In 4WD Low the transfer case clutch maintains a high preemptive coupling torque to maximize traction and improve wheel control when climbing or descending steep grades or obstacles
Suitable for off road usage, steep terrain, deep snow or sand
Ideal for off road driving to maximize low speed traction and increase control on steep grades
Neutral
ONLY used for towing vehicle (Dinghy tow capability)- allows vehicle to roll freely
May require additional optional equipment
220-amp alternator:
May require additional optional equipment
3.0L Duramax Turbo-Diesel I6 engine:
277 hp [206.6 kW] @ 3750 rpm
460 lb-ft of torque [623.7 N-m] @ 1500 rpm)
Paired with a 10-speed automatic transmission
Includes diesel exhaust brake system
May require additional optional equipment
3.23 rear axle ratio:
May require additional optional equipment
4-wheel antilock disc brakes:
Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
Brake system features a corrosion-fighting process called “Ferritic Nitro Carburizing” which can double rotor life expectancy and reduce or minimize rust
7,200 lbs. GVWR:
When properly equipped; includes weight of vehicle, passengers, cargo and equipment
May require additional optional equipment
Aluminized stainless-steel muffler and tailpipe
Automatic Stop/Start:
At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
When drivers remove their foot from the brake, the engine automatically restarts
Under certain circumstances, the engine will not shut off at a complete stop
This feature can be disabled with a switch on the center stack
Most vehicles built on or after 6-7-2021, equipped with a V8 engine and 10-speed automatic transmission are not equipped with Automatic Stop/Start and its content. Contact a dealer for details on a specific vehicle
Vehicles not equipped with Automatic Stop/Start will be less fuel efficient
Automatic locking rear differential:
When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
Black vertical recovery hooks:
Two front frame-mounted1
Capless fuel fill:
Prevents paint scratches that can result from a tethered fuel cap
Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
Cargo tie-downs:
12-fixed rated at 500 lbs. per corner
Dual-outlet exhaust:
Integrated into rear bumper
Premium exhaust outlets
Aluminized stainless-steel muffler and tailpipes
May require additional optional equipment
Electric Power Steering:
Increases or decreases the amount of assist depending on the steering wheel angle
Electric, rack-mounted with variable assist
The system delivers great on-center precision and confident performance at higher speeds
Steering assist is greater during low-speed maneuvers, such as parking
Engine block heater:
Helps ease cold weather starts
Heats the engine and engine block fluids
Fully boxed frame:
Hydroformed front section
High-strength steel
Heavy-Duty Air Filter:
Thick construction helps to trap more dirt before it can enter the air intake
May require additional optional equipment
Hill Descent Control:
Uses antilock braking to help provide a smooth, controlled descent
Helps driver maintain control of the vehicle without depressing the brake pedal
Activates by pushing a button below the instrument panel
May require additional optional equipment
Integrated trailer brake controller:
Integrated with the antilock brake system (ABS)
Helps provide measured brake force signaling to electric-controlled trailer brake systems
Trailer gain and output are displayed in the Driver Information Center
Pickup bed:
Roll-formed high-strength steel
Skid plates:
Help protect the front underbody, oil pan, differential case and transfer case
May require additional optional equipment
Package
Elevation Black Package:
Black GMC emblems
6″ Black rectangular assist steps
All-weather floor liners
Elevation Convenience Package:
Heated steering wheel
Dual climate control (certain vehicles built on or after 8-16-2021 will not include the digital temperature display on the Climate Control Knobs. Contact a dealer for details on a specific vehicle)
10-way power driver seat including power lumbar
Heated driver and front passenger seats
Manual tilt/telescoping steering column
Rear wheelhouse liners
Elevation Value Package:
Automatic locking rear differential
Trailering Package
Trailer hitch, 7-pin and 4-pin connectors
Hitch Guidance1
Trailering Package:
Trailer Hitch1
Trailering hitch platform
Includes a 2″ receiver hitch, 4-pin and 7-pin connectors
7-wire electrical harness and 7-pin sealed connector for connecting your trailer’s lights and brakes to your vehicle
Automatic locking rear differential
Hitch Guidance2
X31 Off-Road Package:
Off-Road suspension
Hill Descent Control
Skid plates
Heavy-duty air filter
Rancho® shocks
X31 hard badge
Integrated dual exhaust with SLE, Elevation Double Cab and SLT
Sierra (1SA) and SLE also includes:
Trailering Package
Trailer hitch, 7-pin and 4-pin connectors
Hitch Guidance1
Locking differential
2-speed Autotrac Transfer Case
May require additional optional equipment
Safety-Exterior
LED Daytime Running Lamps:
Daytime Running Lamps automatically illuminate signature lighting
Safety-Interior
6 airbags:
Dual-stage frontal airbags for driver and front outboard passenger1
Seat-mounted side-impact airbags for driver and front outboard passenger1
Head-curtain airbags for outboard seating positions1
Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
Hitch Guidance:
Displays a guideline on the Rear Vision Camera view when you’re in Reverse to help line up your hitch to your trailer1
When driving, Hitch Guidance allows you to briefly check your trailer using the Rear Vision Camera view
OnStar® & GMC Connected Services capable:
Terms and limitations apply. See onstar.com or dealer for details.
Rear Seat Reminder:
Helps to remind the driver to check the back seat(s) before leaving the vehicle1
Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
Under certain conditions, once the vehicle is switched off, designed to sound 5 audible chimes and display a visual message within the Driver Information Center
Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
Rear Vision Camera:
Shows you an image of the area directly behind your vehicle when you’re in Reverse at low speeds1
Selectable dynamic guidelines laid over the display image assist in parking maneuvers by showing the vehicle’s path
This may help you park and avoid nearby objects
Tailgate must be in the raised position for the Rear Vision Camera to operate properly
Teen Driver:
This configurable feature lets you activate customizable vehicle settings associated with a key fob to help encourage better driving behavior
It can limit certain vehicle features, and automatically turns on certain safety systems if vehicle is equipped
An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Tire Pressure Monitoring System:
Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
Properly inflate tires to help optimize your vehicle’s ride, handling and efficiency
Includes Tire Fill Alert1
Safety-Mechanical
StabiliTrak, electronic stability control system with traction control:
Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
Activates when vehicle sensors detect a difference between the driver’s intended path and the direction the vehicle is actually travelling
Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
Includes Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
Includes Trailer Sway Control
Hill Start Assist
Dealer Notes
It offers Android Auto for seamless smartphone integration. The vehicle offers Apple CarPlay for seamless connectivity. This vehicle keeps you comfortable with Auto Climate. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. This model is pure luxury with a heated steering wheel. See what’s behind you with the back up camera on this unit. The GMC Sierra has a 6 Cyl, 3.0L high output engine. Set the temperature exactly where you are most comfortable in this unit. The fan speed and temperature will automatically adjust to maintain your preferred zone climate. When you encounter slick or muddy roads, you can engage the four wheel drive on it and drive with confidence. It shines with clean polished lines coated with an elegant white finish.