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2021 GMC Sierra 1500 AT4
Truck (Crew Cab) · 277–355 hp · 18–24 mpg combined
Sticker from
$54,700Factory MSRP, base configuration
Market
Too few listings to publish a market price.
Own one? Yours has a number of its own.
Track what yours is worthA fresh estimate every month, in one short email. Not an offer to buy.Start tracking47 factory options, from $50 to $3,200.
AT4 Premium Package$3,200
Front Brake Kit-Performance$2,995
Off-Road Performance Package$2,570
6.2L EcoTec3 V8 Engine$2,495
Performance Upgrade Package$2,275
AT4 Value Package$2,105
Technology Package$2,075
Cat-Back Performance Exhaust$1,895
AT4 Preferred Package$1,420
Bedside Storage Boxes$1,250
Tri-Fold Hard Tonneau Cover$1,100
Driver Alert Package II$1,095
AT4 High Clearance Step$1,095
AT4 CarbonPro Edition$1,070
Power Glass Sunroof$995
Duramax 3.0L Turbo-Diesel I6$995
Black Sport Step$965
Driver Alert Package I$890
MultiPro Audio System by Kicker$815
20" x 9" 6-Spoke Carbon Grey Painted Aluminum Wheels$800
20" x 9.0" Machined Aluminum Wheels w/Carbon Grey Metallic Accents$800
Tri-fold Soft Tonneau Cover$700
Body Color Wheel Arch Moldings$685
Performance Air Intake System$675
Auxiliary Trailer Camera$595
Cargo Convenience Package$515
LT265/60R20 MT Blackwall Goodyear Wrangler Territory Tires$295
LT275/65R18C MT Blackwall Goodyear Wrangler DuraTrac Tires$295
Lockable Console Vault$295
Rear Under Seat Storage$275
AT4 All-Weather Floor Liners$260
Outside Power-Adjustable Vertical Trailering Mirrors$260
GMC MultiPro Tailgate Step Lights$200
275/60R20SL All-Terrain Blackwall Tires$200
Black Front and Rear Molded Splash Guards$190
Cargo Tie-Downs$100
Engine Block Heater$100
Wheel Locks$75
Console Insert Organizer Tray$70
Trailer Tire Pressure Monitor Sensors$50
California Emissions Override—
California State Emissions Requirements—
Federal Emissions Override—
Federal Emissions Requirements—
Front License Plate Kit—
Northeast Emissions—
State-Specific Emissions Override—
Which Sierra 1500 is right for you?
Six trims, $30,100 to $55,800. Tap one to open it.
Bar heights follow the price. The widest step is $11,300, from Base to SLE.
The numbers.
Two configurations: four-wheel drive, 10-speed automatic.
277–355hp5.3L eight-cylinder / 3.0L six-cylinder
383–460lb-ftTorque
18–24mpgCombined · 16–22 city · 21–26 highway
4WD10-speed shiftable automatic
5Seats
5,140–5,530 lbsCurb weight
7,000 lbsGVWR
9,000–9,200 lbsMax towing
1,540–2,080 lbsMax payload
130 standard items.
Five groups, sized by how much is in each.
- Front head room
- Front leg room
- Front shoulder room
- Front hip room
- leather
- bucket front seats
- 8-way power driver seat
- height adjustable driver seat
- Driver seat with power adjustable lumbar support
- 2 memorized driver seat settings
- 8-way power passenger seat
- height adjustable passenger seat
- Passenger seat with power adjustable lumbar support
- multi-level heated driver seat
- multi-level heated passenger seat
- ventilated driver seat
- ventilated passenger seat
- Rear head room
- Rear leg room
- Rear shoulder room
- Rear hip room
- Split-folding rear seatback
- folding center armrest
- multi-level heated
- keyless ignition
- tilt and telescopic steering wheel
- Audio and cruise controls on steering wheel
- electric power steering
- rear view camera
- cruise control
- front and rear cupholders
- front and rear door pockets
- front seatback storage
- leather steering wheel
- heated steering wheel
- Dual zone front climate control
- rear ventilation ducts
- Sun sensor
- Dual illuminating vanity mirrors
- electrochromatic inside rearview mirror
- trip computer
- compass
- external temperature display
- tachometer
- clock
- 4 one-touch power windows
- hands-free entry
- Heated mirrors
- Fuel type
- EPA city/highway MPG
- EPA combined MPG
- Range in miles (city/hwy)
- Fuel tank capacity
- Length
- Overall width without mirrors
- Height
- Wheelbase
- Bed length
- Turning circle
- Ground clearance
- Curb weight
- Maximum towing capacity
- Maximum payload
- Gross weight
- Country of final assembly
- painted alloy wheels
- 20 x 9.0 in. wheels
- All terrain tires
- 265/65R18 tires
- fullsize non-matching spare tire
- underbody mounted spare tire
- Transmission
- Drive type
- on demand 4WD
- electronic hi-lo gear selection
- automatic locking hubs
- Rear locking differential
- descent control
- front independent suspension
- Stabilizer bar stabilizer bar
- Base engine size
- Cylinders
- Base engine type
- Horsepower
- Torque
- Valves
- Cam type
- Valve timing
- direct injection
- cylinder deactivation
- post-collision safety system
- dual front side-mounted airbags
- front and rear head airbags
- Passenger airbag occupant sensing deactivation
- stability control
- traction control
- child seat anchors
- Rear door child safety locks
- 4-wheel ABS
- Front and rear ventilated disc brakes
- Emergency braking assist
- tire pressure monitoring
- dusk sensing headlamps
- auto delay off headlamps
- LED headlamp
- daytime running lights
- front fog/driving lights
- 2 front headrests
- Front height adjustable headrests
- 2 rear headrests
- Rear height adjustable headrests
- Rear center 3-point belt
- remote anti-theft alarm system
- engine immobilizer
- AM/FM stereo
- 6 total speakers
- Android Auto/Apple CarPlay
- USB connection
- auxiliary audio input and USB with external media control
- memory card slot
- satellite radio satellite radio
- speed sensitive volume control
- Emergency Service
- Airbag Deployment Notification
- Stolen Vehicle Tracking/Assistance
- Hands-Free Calling
- Roadside Assistance
- Concierge Service
- Destination guidance (also Turn-by-Turn Navigation)
- Destination Download
1 interior
- Jet Black with Kalahari accents
Leather.
8 factory paints
- Summit White
- Ebony Twilight Metallic
- Pacific Blue Metallic
- Satin Steel Metallic
- Dark Sky Metallic
- Cardinal Red
- Cayenne Red Tintcoat
- Onyx Black
Safety and recalls
7 recall campaigns on file.
Recalls are settled per car, not per model. Check the one you are buying.
NHTSA crash-test ratings for the 2021 Sierra 1500.
NHTSA NCAP · checked Oct 2026
Factory coverage.
It runs from the first sale date, not the model year.
Basic
3 yr / 36,000 mi
Powertrain
5 yr / 60,000 mi
Rust
6 yr / 100,000 mi
Roadside
5 yr / 60,000 mi
Maintenance
1 yr
Sold2 yr4 yr6 yr
Sponsored · Insurance offers
What would this Sierra 1500 cost to insure?
Advertiser disclosure: we may earn a commission when you get a quote or buy through links on this page. Rates depend on the driver, the car and the ZIP.
Other years of the Sierra 1500 AT4.
2022 Sierra 1500 AT4
$62,500$7,800 more17 colors · starting MSRP
2020 Sierra 1500 AT4
$51,000$3,700 less16 colors · starting MSRP
2023 Sierra 1500 AT4
$66,700$12,000 more17 colors · starting MSRPPictures show this year's car in another paint. Starting MSRP is before destination, taxes and dealer fees.