Used GMC Sierra 1500 AT4 for Sale nearLaceys Spring, AL

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Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Onyx Black
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
79,784
Stock #:
36633A
VIN:
3GTP9EED4MG412789
Onyx Black 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Bentley Buick GMC

Sponsored by Bentley Buick GMC

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

79,784 mi

Huntsville, AL
13 mi away
Fair Deal
Manufacturer certified

$39,447

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Gray
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
12,640
Stock #:
UG2882A
VIN:
1GTUUEE86TZ146601
Gray 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

Sponsored Listing

2026 GMC Sierra 1500

AT4 Crew Cab 4WD

12,640 mi

Albertville, AL
32 mi away
Good Deal

$59,588

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Summit White
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
65,500
Stock #:
MG194932
VIN:
3GTP9EELXMG194932
Summit White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

65,500 mi

Home delivery from Newnan, GA
Price includes $266 shipping
Great Deal

$38,430

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
White
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
48,912
Stock #:
300240
VIN:
3GTP9EED8MG300240
White 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

48,912 mi

Home delivery from Dallas, GA
Price includes $162 shipping
Fair Deal

$43,061

Year:
2022
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Titanium Rush Metallic
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black w/Kalahari Accents
Transmission:
Automatic
Mileage:
110,540
Stock #:
65207B
VIN:
3GTPUEEL4NG568211
Titanium Rush Metallic 2022 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

110,540 mi

Home delivery from Ballwin, MO
Price includes $1,071 shipping
Great Deal

$36,691

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Onyx Black
Mileage:
45,450
Stock #:
616421AA
VIN:
3GTP9EEL9KG116557
Onyx Black 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive

 

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

45,450 mi

Home delivery from Pinellas Park, FL
Price includes $1,032 shipping
Fair Deal

$41,115

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
White
Fuel type:
Diesel
Interior color:
Black
Mileage:
131,451
Stock #:
A1302
VIN:
3GTU9EET8LG278670
White 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

131,451 mi

Chattanooga, TN
89 mi away
Great Deal

$29,484

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Black
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
122,811
Stock #:
DN308461
VIN:
3GTU9EET8LG308461
Black 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

122,811 mi

Home delivery from Houston, TX
Price includes $554 shipping
Great Deal

$28,968

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
121,203
Stock #:
226461
VIN:
1GTP9EEL5MZ226461
 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

121,203 mi

Home delivery from Portland, OR
Price includes $3,042 shipping
Fair Deal

$34,332

Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
53,392
Stock #:
5244
VIN:
1GTP9EEL9MZ452163
Onyx Black 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

53,392 mi

Home delivery from Seffner, FL
Price includes $543 shipping
Great Deal

$37,522

Overview

The GMC Sierra 1500 is a spacious and capable pickup. It is offered in a number of trims providing a wide array of creature comforts. While GMC might be more sooner associated with the chrome-clad Denali variants, the Sierra is also available in more outdoorsy trims, such as the AT4. Designed as a sort of the anti-Denali, the AT4 is designed to get muddy. It features a 2-inch lift, Rancho shocks, upgraded underbody skid plates, an Auto-Trap two-speed transfer case, and a locking rear differential. The AT4 is not without niceties, as it receives a unique black interior with Kalahari accents and a host of creature comforts. The AT4 trim was introduced with the redesigned Sierra 1500 in 2019 and has continued through the 1500’s 2022 model year update.

Key Features

  • Gas V8, Duramax Turbodiesel I6
  • 2-inch suspension lift w/ Rancho shocks
  • Skid plates
  • Heated/ventilated front seats, leather upholstery
  • Touchscreen infotainment w/ Apple CarPlay, Android Auto

Pricing Details

In Crew Cab configuration, the 2023 GMC Sierra 1500 AT4 carries a $66,700 MSRP. Used examples on CarGurus range from $24,006.00 to $85,074.10 with an average price of $32,575.02. The Sierra 1500 AT4 is available with a number of options packages. The Premium Package adds a number of upgraded driver assistance features. The Technology Package adds a head-up display, bed view camera, and rear camera mirror. The AT4 Preferred Package adds a universal garage door opener, adaptive cruise control, and a power-sliding rear window with a defogger.

Specifications

Performance

  • Engine

    6.2-liter gas V8, 3.0-liter turbodiesel I6

  • Transmission

    Eight-speed automatic (gas), 10-speed automatic (diesel)

  • Drivetrain

    Four-wheel drive (4WD)

  • Horsepower/Torque

    420 hp/460 lb-ft (gas) / 277 hp/460 lb-ft (diesel)

  • 0-60 mph

    5.8 seconds

  • MPG

    24 mpg city, 34 mpg highway, 28 combined (6AT) / 26 mpg city, 36 mpg highway, 30 combined (5MT)

  • Curb weight

    4,816 pounds

Dimensions

  • wheelbase

    147.53 inches

  • length

    231.72 inches

  • width

    81.24 inches

  • height

    78.35 inches

*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.

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