CarGurus Header

Used GMC Sierra 1500 AT4 for Sale nearGuffey, CO

Filters (3)

Location:

Only show listings in CO?

Include delivery listings?

315 vehicles found

Year:
2023
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:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
10-Speed Automatic
Mileage:
20,898
Stock #:
KM155807
VIN:
1GTUUEEL2PZ155807
Summit White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 10-Speed Automatic
ClearShift

Sponsored by ClearShift

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

20,898 mi

Highlands Ranch, CO
62 mi away
Fair Deal

$55,516

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
70,889
Stock #:
T18274
VIN:
1GTUUEEL0PZ200114
White 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

70,889 mi

Parker, CO
66 mi away
Great Deal

$43,900

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:
Gray (Dark Sky Metallic)
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black w/Kalahari Accents
Transmission:
Automatic
Mileage:
121,173
VIN:
1GTP9EEL5MZ226461
Gray (Dark Sky Metallic) 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

121,173 mi

Home delivery from Portland, OR
Price includes $1,473 shipping
Good Deal

$31,323

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
98,183
Stock #:
MX3863
VIN:
1GTP9EELXKZ361643
Gray 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

98,183 mi

Home delivery from Michigan Center, MI
Price includes $2,047 shipping
Good Deal

$31,745

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
10-Speed Automatic
Mileage:
82,086
Stock #:
129537
VIN:
1GTP9EEL0LZ129537
Black 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 10-Speed Automatic
New arrival

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

82,086 mi

Denver, CO
71 mi away
Good Deal

$34,995

Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
69,956
Stock #:
100473
VIN:
3GTP9EEL6LG162204
Gray (Satin Steel Metallic) 2020 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

69,956 mi

Home delivery from Merritt Island, FL
Price includes $3,200 shipping
Fair Deal

$40,995

Year:
2022
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
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
59,733
Stock #:
B11062
VIN:
1GTUUEETXNZ538746
White 2022 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

59,733 mi

Home delivery from Bellingham, WA
Price includes $1,624 shipping
Fair Deal

$44,474

Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Black
Fuel type:
Gasoline
Transmission:
8-Speed Automatic
Mileage:
79,369
Stock #:
T17547
VIN:
3GTP9EEL5KG159678
Black 2019 GMC Sierra 1500 Pickup Truck Four-Wheel Drive 8-Speed Automatic

 

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

79,369 mi

Castle Rock, CO
55 mi away
Great Deal

$32,200

Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Sterling Metallic
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
13,258
Stock #:
J26105A
VIN:
3GTUUEEL4PG319171
Sterling Metallic 2023 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

13,258 mi

Home delivery from Post Falls, ID
Price includes $1,676 shipping
Fair Deal

$58,060

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:
Gray (Satin Steel Metallic)
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
142,945
Stock #:
L175203
VIN:
1GTP9EEL1MZ175203
Gray (Satin Steel Metallic) 2021 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$635

 

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

142,945 mi

Longmont, CO
99 mi away
Good Deal
Manufacturer certified

$32,298

$31,663

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 $25,508.00 to $86,288.00 with an average price of $33,766.56. 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

Relevant articles

A better way to discover your best deal

Let us help you find a car you’ll love.

CarGurus Footer