New GMC Sierra 1500 AT4 for SaleNationwide
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Volcanic Red
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Stock #:
- TG254249
- VIN:
- 3GTUUEE8XTG254249

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $74,350
$59,350
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 100
- Stock #:
- GTZ279359
- VIN:
- 1GTUUEEL4TZ279359

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $90,445
$77,443
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2,778
- Stock #:
- 26A1005R
- VIN:
- 1GTUUEEL7TZ314007

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,600
$66,414
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 600
- Stock #:
- 69685
- VIN:
- 3GTUUEEL8TG315716

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $76,000
$63,549
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- G2104
- VIN:
- 3GTUUEEL9TG258832

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $77,559
$65,423
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Stock #:
- GM9692
- VIN:
- 3GTUUEEL7TG338341

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,305
$60,280
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 68
- Stock #:
- 11506
- VIN:
- 3GTUUEE81TG334989

-$2,039
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $71,670
$63,070
$61,420
- 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
- Transmission:
- Automatic
- Mileage:
- 315
- Stock #:
- G04916
- VIN:
- 1GTUUEE88TZ297228

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $73,855
$61,711
$59,711
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- MG26099
- VIN:
- 3GTUUEE86TG380835

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $70,939
$60,623
$58,623
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- 26A1555
- VIN:
- 3GTUUEELXTG356445

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,649
$67,713
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- G6296
- VIN:
- 3GTUUEE83TG406534

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,220
$61,450
$59,450
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- TZ421085
- VIN:
- 1GTUUEE89TZ421085

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $74,200
$57,200
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Coastal Dune
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- G260495
- VIN:
- 1GTUUEE85TZ426512

-$3,658
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $73,160
$63,330
$59,672
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 180
- Stock #:
- 36908
- VIN:
- 3GTUUEE8XTG436694

-$1,477
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $73,855
$63,222
$61,745
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT445311
- VIN:
- 1GTUUEE82TZ445311

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $72,165
$62,955
$60,955
- Year:
- 2024
- 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:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 8,103
- Stock #:
- 3764FG
- VIN:
- 3GTUUEEL6RG310698

2024 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $74,555
$52,437
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents, Perforated leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- 458042
- VIN:
- 1GTUUEE80TZ458042

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $72,330
$62,679
$60,679
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Brown (Tan)
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- G2802
- VIN:
- 1GTUUEE85TZ460532

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $74,245
$63,299
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- TZ462403
- VIN:
- 1GTUUEE84TZ462403

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $72,365
$59,614
$57,614
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Stock #:
- G26724
- VIN:
- 1GTUUEE85TZ470736

-$2,000
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,295
$62,589
$60,589
- 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
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- 76229G
- VIN:
- 1GTUUEE83TZ455815

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $74,850
$64,672
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- 70754
- VIN:
- 3GTUUEEL3TG488771

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $75,850
$63,399
- Year:
- 2026
- 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:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- G260427
- VIN:
- 1GTUUEEL7TZ476820

2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $76,045
$63,940
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Stock #:
- TZ485105
- VIN:
- 1GTUUEE81TZ485105

-$4,849
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
New car
MSRP $73,475
$60,347
$55,498
Overview
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
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.
4.0 Overall rating
Filter by rating
Anonymous
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Sep 9, 2024
The truck had all the features I wanted and the price was in-line, or better with others in my search.
Buddy H
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Jan 5, 2025
Slightly over priced for the miles I would pay $29000-$30000 all day
FAQs
What is the fuel economy of the GMC Sierra 1500 AT4?
What fuel types are available?
*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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