Overview History Features Description Financing Specs Similar

2021 GMC Sierra 1500 AT4

TIRES, LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC

Photos (46)

History & Pricing Tools

Features

Exterior

Summit White

Interior

Jet Black with Kalahari accents

Drivetrain

Four Wheel Drive

Engine

5.3L 8 Cylinders

Horsepower

355 hp @ 5600 rpm

Torque

383 lb-ft @ 4100 rpm

Transmission

Automatic

Style

4WD Crew Cab 147" AT4

Truck Bed Length

5.83 ft at the floor level

Truck Bed Width

5.95 ft at the floor level

Included Packages & Options

Option

Original
MSRP ($)

AT4 PREFERRED EQUIPMENT GROUP

Includes Standard Equipment

Included

AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8'' DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO

Bluetooth Streaming Audio For Music And Most Phones; Featuring Wireless Android Auto And Apple Carplay Capability For Compatible Phones
Advanced Voice Recognition
In-Vehicle Apps
Personalized Profiles For Infotainment And Vehicle Settings

Included

EMISSIONS OVERRIDE, FEDERAL

Included

EMISSIONS, CALIFORNIA STATE REQUIREMENTS

Included

ENGINE BLOCK HEATER

$100

ENGINE, 5.3L ECOTEC3 V8

(355 Hp [265 Kw] @ 5600 Rpm
383 Lb-Ft Of Torque [518 Nm] @ 4100 Rpm); Featuring Available Dynamic Fuel Management That Enables The Engine To Operate In 17 Different Patterns Between 2 And 8 Cylinders
Depending On Demand
To Optimize Power Delivery And Efficiency

Included

GVWR, 7000 LBS. (3175 KG)

Included

JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM

Included

REAR AXLE, 3.23 RATIO

Included

TIRES, LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC

$295

Additional Options

($300)

NOT EQUIPPED WITH AUTOMATIC STOP/START, SEE DEALER FOR DETAILS

(Most Vehicles Built On Or After 6-7-2021 With A V8 Engine And (MQB) 10-Speed Automatic Transmission Will Have (NSS) Not Equipped With Automatic Stop/Start
Which Removes Automatic Stop/Start And Its Content.)

($50)

NOT EQUIPPED WITH HD RADIO, SEE DEALER FOR DETAILS

(Certain Vehicles Built On Or After 7-12-2021 Will Include (RG0) Not Equipped With HD Radio
Which Removes (U2L) HD Radio. See Dealer For Details.)

($50)

NOT EQUIPPED WITH HEATED SECOND ROW OUTBOARD SEATS, SEE DEALER FOR DETAILS

(Certain Vehicles Built On Or After 7-26-2021 Will Include (RFU) Not Equipped With Heated Second Row Outboard Seats
Which Removes (KA6) Heated Second Row Outboard Seats.)

($200)

SEATS, FRONT BUCKET

With Center Console

Included

SUMMIT WHITE

Included

TIRE, SPARE 265/70R17SL ALL-SEASON, BLACKWALL

Included

TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED

With Overdrive And Tow/Haul Mode. Includes Cruise Grade Braking And Powertrain Grade Braking

Included

WHEELS, 18'' X 8.5'' (45.7 CM X 21.6 CM) MACHINED ALUMINUM

With Dark Grey Accents

Included

Total Added Value

$95

Description

2021 GMC Sierra 1500 AT4 – Premium Off-Road Capability and Refined Comfort

Designed for drivers who demand rugged capability without sacrificing luxury, this 2021 GMC Sierra 1500 AT4 delivers impressive performance, advanced technology, and premium craftsmanship. Equipped with factory off-road enhancements, distinctive AT4 styling, and aggressive Goodyear Wrangler DuraTrac® all-terrain tires, this Sierra is ready for work, adventure, and everything in between.

Performance & Capability

Powerful V8 engine delivering strong towing and hauling capability
Automatic transmission for smooth, confident performance
Four-wheel drive system for enhanced off-road confidence
Factory AT4 off-road suspension with lifted ride height
Automatic locking rear differential
Hill Descent Control
Off-road tuned shocks and suspension components
Excellent towing and payload capability

AT4 Off-Road Features

Goodyear Wrangler DuraTrac® all-terrain tires
Factory suspension lift
Skid plates for underbody protection
Red front recovery hooks
Off-road drive modes
Heavy-duty trail-ready capability
Enhanced traction and stability on challenging terrain

Exterior Features

Bold white exterior finish
Distinctive GMC AT4 grille design
LED headlights, fog lights, and signature lighting
Premium alloy wheels
Spray-in bedliner capability
MultiPro Tailgate functionality
Power-folding heated mirrors
Integrated corner steps in rear bumper
Durable cargo bed designed for work and recreation

Interior Comfort & Convenience

Premium leather-appointed seating
Heated and ventilated front seats
Power-adjustable front seats with memory settings
Heated steering wheel
Dual-zone automatic climate control
Spacious crew cab interior
Fold-up rear seating for expanded cargo flexibility
Premium materials and AT4-exclusive interior accents

Technology & Connectivity

GMC Infotainment System with touchscreen display
Navigation capability
Apple CarPlay® and Android Auto™ compatibility
Bluetooth® hands-free calling and audio streaming
Premium audio system
Wireless charging capability
USB ports throughout the cabin
Remote start system
Wi-Fi hotspot capability

Safety & Driver Assistance

Rearview camera
Front and rear parking sensors
Lane Change Alert with Side Blind Zone Alert
Rear Cross Traffic Alert
Forward Collision Alert
Lane Keep Assist
Automatic Emergency Braking
Electronic Stability Control
Tire Pressure Monitoring System (TPMS)

Why You'll Love It

The 2021 GMC Sierra 1500 AT4 offers the perfect balance of premium luxury, advanced technology, and genuine off-road capability. Whether you're towing a trailer, exploring back roads, or commuting in comfort, the AT4 trim delivers confidence, versatility, and unmistakable GMC styling.

With its aggressive stance, upscale interior, and trail-ready equipment, this Sierra is built to perform wherever the road—or lack of road—takes you.

As a pre-owned vehicle, it may show normal cosmetic wear consistent with age and mileage.

Estimated Payment Calculator

Loan Amount

$39,991

Estimated Payment *

$0/mo

Credit Score

520 - Below 20.90% APR

580 - 619 18.90% APR

620 - 679 11.90% APR

680 - 779 5.90% APR

780 - Above 4.90% APR

Payment Terms

24 mo

36 mo

48 mo

60 mo

72 mo

Down Payment

Trade In Value

Contact Dealer

Get Approved

Disclaimer

All Payments exclude government fees and taxes, any finance charges, any dealer document preparation charges, and any emission testing charges. The price for listed vehicles as equipped does not include charges such as: License, Title, Registration Fees, State or Local Taxes, Smog Fees, Credit Investigation, Optional Credit Insurance, Physical Damage of Liability Insurance, or Delivery Fees.

Specifications

Exterior

Interior

Safety

Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Deleted with (PCP) AT4 CarbonPro Edition. Double Cab and Crew Cab models are available with Ship Thru codes (VBE), (VCO), (VDT), (VYC) or (VYS).)

Bumper, front, body-color lower (Front bumper color will be high gloss black.)

Bumper, rear body-color with corner steps

CornerStep, rear bumper

Door handles, body-color

Fog lamps, LED

Glass, deep-tinted

Grille (Body-color surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)

Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel

LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob

Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)

Tailgate and bed rail protection caps, top

Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

Tailgate, GMC MultiPro Tailgate with six functional load/access features

Taillamps, LED signature taillight with LED stop and reverse light

Tire - Front : Tires - Front All-Terrain

Tire - Rear : Tires - Rear All-Terrain

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

Tires : Tire Pressure Monitor

Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare

Wheelhouse liners, rear

Wheels : Aluminum Wheels

Pickup Box

Bed Liner

Integrated Tailgate Step

Mirrors

Auto-Dimming Rearview Mirror

Heated Mirrors

Mirror Memory

Power Folding Mirrors

Power Mirror(s)

Air conditioning, dual-zone automatic climate control

Air vents, rear

Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

Brake lining wear indicator

Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability

Compass, located in instrument cluster

Driver Information Center, 4.2" diagonal color display includes driver personalization

Exterior Temperature Display, located in radio display

Floor covering, color-keyed carpeting

GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)

Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure

In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics

Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)

Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)

Remote vehicle starter system

Seat adjuster, driver 10-way power including lumbar

Seat adjuster, passenger 10-way power including lumbar

Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)

Steering : Power Steering

Steering column, lock control, electrical

Steering column, manual Tilt-Wheel and telescoping

Steering wheel, heated

Steering wheel, leather-wrapped

Theft-deterrent system, unauthorized entry

USB ports, dual, charge-only (2nd row)

Locks

Keyless Entry

Power Door Locks

Air Conditioning

A/C

Climate Control

Multi-Zone A/C

Window

Power Windows

Privacy Glass

Rear Defrost

Audio

AM/FM Stereo

Auxiliary Audio Input

MP3 Capability

Satellite Radio

Smart Device Integration

WiFi Hotspot

Seats

Bucket Seats

Cooled Front Seat(s)

Driver Adjustable Lumbar

Heated Front Seat(s)

Passenger Adjustable Lumbar

Pass-Through Rear Seat

Power Driver Seat

Power Passenger Seat

Seat Memory

Convenience

Adjustable Steering Wheel

Back-Up Camera

Cruise Control

Fog Lamps

Heated Steering Wheel

Keyless Start

Leather Steering Wheel

Power Outlet

Remote Engine Start

Requires Subscription

Security System

Steering Wheel Audio Controls

Telematics

Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)

Hitch Guidance

Rear Seat Reminder

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist

Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver

Air Bag - Frontal

Driver Air Bag

Passenger Air Bag

Passenger Air Bag Sensor

Air Bag - Side

Front Head Air Bag

Front Side Air Bag

Rear Head Air Bag

Safety Features

Daytime Running Lights

Driver Restriction Features

Stability Control

Tow Hooks

Traction Control

Disclaimer

All advertised prices exclude government fees and taxes, any finance charges, any dealer document preparation charges, and any emission testing charges. While we try to make sure that all prices posted here are accurate at all times, we cannot be responsible for typographical and other errors that may appear on the site. We make every effort to provide you with the most accurate, up-to-the-minute information; however, it is your responsibility to verify with the Dealer that all details listed are accurate. The dealership is not responsible for typographical, pricing, product information, advertising, or shipping errors. Advertised prices and available quantities are subject to change without notice. All rates and offers are dependent on bank approval, which varies based on the applicant's credit as well as the vehicle.

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	Sales
Monday	10:00AM - 7:00PM
Tuesday	10:00AM - 7:00PM
Wednesday	10:00AM - 7:00PM
Thursday	10:00AM - 7:00PM
Friday	10:00AM - 7:00PM
Saturday	10:00AM - 7:00PM
Sunday	Closed

$39,991

Option

OriginalMSRP ($)

AT4 PREFERRED EQUIPMENT GROUP

AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8'' DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO

EMISSIONS OVERRIDE, FEDERAL

EMISSIONS, CALIFORNIA STATE REQUIREMENTS

ENGINE BLOCK HEATER

ENGINE, 5.3L ECOTEC3 V8

GVWR, 7000 LBS. (3175 KG)

JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM

REAR AXLE, 3.23 RATIO

TIRES, LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC

Additional Options

NOT EQUIPPED WITH AUTOMATIC STOP/START, SEE DEALER FOR DETAILS

NOT EQUIPPED WITH HD RADIO, SEE DEALER FOR DETAILS

NOT EQUIPPED WITH HEATED SECOND ROW OUTBOARD SEATS, SEE DEALER FOR DETAILS

SEATS, FRONT BUCKET

SUMMIT WHITE

TIRE, SPARE 265/70R17SL ALL-SEASON, BLACKWALL

TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED

WHEELS, 18'' X 8.5'' (45.7 CM X 21.6 CM) MACHINED ALUMINUM

Total Added Value

Estimated Payment Calculator

Pickup Box

Mirrors

Locks

Air Conditioning

Window

Audio

Seats

Convenience

Air Bag - Frontal

Air Bag - Side

Safety Features

Shopping Tools

$39,991

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Original
MSRP ($)