Used 2021 GMC Sierra 1500 AT4 Specs & Features

Starting MSRP

$55,900

Overview

Diesel

Combined MPG	24 MPG
Drive Type	four wheel drive
Total Seating	5
Bed length	79.4 in.
Payload Capacity	1,540 lbs.
Towing Capacity	9,000 lbs.
Curb Weight	5,530 lbs.
Basic Warranty	3 yr./ 36,000 mi.
Country of final assembly	Mexico/United States

Fuel & MPG

Cost to Drive	$186/mo
Fuel type	Diesel fuel
EPA city/highway MPG	22/26 MPG

EPA combined MPG	24 MPG
Range in miles (city/hwy)	528.0/624.0 mi.
Fuel tank capacity	24.0 gal.
CO2 Emissions	7.1 tons

2021 GMC Sierra 1500 for sale

3 of 3961 listings

SLT Crew Cab
MSRP: $34,990
SLT Diesel Crew Cab
MSRP: $36,990
SLT Crew Cab
MSRP: $46,590

Denali Crew Cab
MSRP: $48,590
AT4 Crew Cab
MSRP: $41,590
AT4 Diesel Crew Cab
MSRP: $45,990
AT4 Diesel Crew Cab
MSRP: $40,590
AT4 Crew Cab
MSRP: $47,590
Denali Diesel Crew Cab
MSRP: $41,590

See all 3961 listings

Engine

Base engine size	3.0 L
Cylinders	Inline 6
Base engine type	Diesel

Horsepower	277 hp @ 3,750 rpm
Torque	460 lb-ft @ 1,500 rpm
Valves	24
Cam type	Double overhead cam (DOHC)
Valve timing	Variable
Direct injection (diesel)	Standard

Towing & Hauling

Max Towing Capacity	9,000 lbs.
Max Payload Capacity	1,540 lbs.

Drivetrain

Transmission	10-speed shiftable automatic
Drive type	Four wheel drive
On demand 4WD	Standard

Electronic hi-lo gear selection	Standard
Automatic locking hubs	Standard
Rear locking differential	Standard
Descent control	Standard

Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	241.3 in.
Overall width without mirrors	81.2 in.
Height	78.2 in.

Wheelbase	157.0 in.
Bed length	79.4 in.
Turning circle	49.5 ft.
Ground clearance	10.7 in.
Curb weight	5,530 lbs.
Maximum towing capacity	9,000 lbs.
Maximum payload	1,540 lbs.
Gross weight	7,000 lbs.
Country of final assembly	Mexico/United States

Colors

Exterior Colors	Ebony Twilight Metallic Cayenne Red Tintcoat Pacific Blue Metallic Satin Steel Metallic Dark Sky Metallic Cardinal Red Summit White Onyx Black
Interior Colors	Jet Black w/Kalahari Accents, leather

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	66.0 in.

Front hip room	61.2 in.
Leather	Standard
Bucket front seats	Standard
8-way power driver seat	Standard
Height adjustable driver seat	Standard
Driver seat with power adjustable lumbar support	Standard
2 memorized driver seat settings	Standard
8-way power passenger seat	Standard
Height adjustable passenger seat	Standard
Passenger seat with power adjustable lumbar support	Standard
Multi-level heated driver seat	Standard
Multi-level heated passenger seat	Standard
Ventilated driver seat	Standard
Ventilated passenger seat	Standard

Rear Seat Dimensions

Rear head room	40.1 in.
Rear leg room	43.4 in.
Rear shoulder room	65.2 in.

Rear hip room	60.2 in.
Split-folding rear seatback	Standard
Folding center armrest	Standard
Multi-level heated	Standard

Safety

Post-collision safety system	Standard
Dual front side-mounted airbags	Standard
Front and rear head airbags	Standard

Passenger airbag occupant sensing deactivation	Standard
Stability control	Standard
Traction control	Standard
Child seat anchors	Standard
Rear door child safety locks	Standard
4-wheel ABS	Standard
Front and rear ventilated disc brakes	Standard
Emergency braking assist	Standard
Tire pressure monitoring	Standard
Dusk sensing headlamps	Standard
Auto delay off headlamps	Standard
LED headlamp	Standard
Daytime running lights	Standard
Front fog/driving lights	Standard
2 front headrests	Standard
Front height adjustable headrests	Standard
2 rear headrests	Standard
Rear height adjustable headrests	Standard
Rear center 3-point belt	Standard
Remote anti-theft alarm system	Standard
Engine immobilizer	Standard

In-Car Entertainment

AM/FM stereo	Standard
6 total speakers	Standard
Android Auto/Apple CarPlay	Standard

USB connection	Standard
Auxiliary audio input and USB with external media control	Standard
Memory card slot	Standard
Satellite radio satellite radio	Standard
Speed sensitive volume control	Standard

Power Feature

4 one-touch power windows	Standard
Hands-free entry	Standard
Heated mirrors	Standard

Comfort & Convenience

Keyless ignition	Standard
Tilt and telescopic steering wheel	Standard
Audio and cruise controls on steering wheel	Standard

Electric power steering	Standard
Rear view camera	Standard
Cruise control	Standard
Front and rear cupholders	Standard
Front and rear door pockets	Standard
Front seatback storage	Standard
Leather steering wheel	Standard
Heated steering wheel	Standard
Dual zone front climate control	Standard
Rear ventilation ducts	Standard
Sun sensor	Standard
Dual illuminating vanity mirrors	Standard
Electrochromatic inside rearview mirror	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
External temperature display	Standard

Tachometer	Standard
Clock	Standard

Tires & Wheels

Painted alloy wheels	Standard
20 x 9.0 in. wheels	Standard
All terrain tires	Standard

265/65R18 tires	Standard
Fullsize non-matching spare tire	Standard
Underbody mounted spare tire	Standard

Telematics

Emergency Service	Standard
Airbag Deployment Notification	Standard
Stolen Vehicle Tracking/Assistance	Standard

Hands-Free Calling	Standard
Roadside Assistance	Standard
Concierge Service	Standard
Destination guidance (also Turn-by-Turn Navigation)	Standard
Destination Download	Standard

Warranty

Basic	3 yr./ 36,000 mi.
Drivetrain	5 yr./ 100,000 mi.
Rust	6 yr./ 100,000 mi.

Roadside assistance	5 yr./ 60,000 mi.
Free maintenance	1 yr./ unlimited mi.

Mechanical Options

Cat-Back Performance Exhaust	+$1,895
Performance Air Intake System	+$675
6.2L EcoTec3 V8 Engine	+$1,500

Trailer Tire Pressure Monitor Sensors	+$50
Front Brake Kit-Performance	+$2,995
Engine Block Heater	+$100

Packages

AT4 Premium Package	+$3,200
AT4 Value Package	+$2,105
Off-Road Performance Package	+$2,570

Technology Package	+$2,075
Performance Upgrade Package	+$2,275
Cargo Convenience Package	+$515
AT4 Preferred Package	+$1,420

Safety & Security Options

Driver Alert Package I	+$890
Driver Alert Package II	+$1,095

Interior Options

Lockable Console Vault	+$295
Rear Under Seat Storage	+$275
Console Insert Organizer Tray	+$70

AT4 All-Weather Floor Liners	+$260

Exterior Options

20" x 9.0" Machined Aluminum Wheels w/Carbon Grey Metallic Accents	+$800
Tri-fold Soft Tonneau Cover	+$700
Power Glass Sunroof	+$995

Black Front and Rear Molded Splash Guards	+$190
Auxiliary Trailer Camera	+$595
LT275/65R18C MT Blackwall Goodyear Wrangler DuraTrac Tires	+$295
Body Color Wheel Arch Moldings	+$685
275/60R20SL All-Terrain Blackwall Tires	+$200
AT4 High Clearance Step	+$1,095
Wheel Locks	+$75
20" x 9" 6-Spoke Carbon Grey Painted Aluminum Wheels	+$800
MultiPro Audio System by Kicker	+$815
Tri-Fold Hard Tonneau Cover	+$1,100
LT265/60R20 MT Blackwall Goodyear Wrangler Territory Tires	+$295
Front License Plate Kit	+$0
Black Sport Step	+$965
Outside Power-Adjustable Vertical Trailering Mirrors	+$260
Bedside Storage Boxes	+$1,250
GMC MultiPro Tailgate Step Lights	+$200
Cargo Tie-Downs	+$100

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Used 2021 GMC Sierra 1500 AT4 - Specs & Features