Used GMC Sierra 1500 AT4 for Sale nearAlpha, IL
451 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Cayenne Red Tintcoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 117,288
- Stock #:
- 26326A
- VIN:
- 3GTU9EET8MG385672
Sponsored by Bob Grimm Chevrolet
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
117,288 mi
Morton, IL
63 mi away
Good Deal
$30,367
- 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:
- -
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- -
- Transmission:
- Automatic
- Mileage:
- 84,847
- Stock #:
- 449454
- VIN:
- 3GTP9EED4MG449454
Price drop
-$1,000
Sponsored Listing
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
84,847 mi
Pleasant Valley, IA
26 mi away
Fair Deal
$37,094
$36,094
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 40,405
- Stock #:
- T8U144669
- VIN:
- 1GTUUEE87RZ144669
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
40,405 mi
Davenport, IA
28 mi away
Good Deal
$49,287
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 41,698
- Stock #:
- 52480A
- VIN:
- 1GTUUEEL0PZ167342
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
41,698 mi
Fort Madison, IA
66 mi away
Good Deal
$47,124
- 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:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 44,802
- Stock #:
- P9609
- VIN:
- 1GTUUEEL0PZ253007
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
44,802 mi
Galesburg, IL
15 mi away
Good Deal
$48,262
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 76,935
- Stock #:
- D6750A
- VIN:
- 3GTP9EED7LG134825
New arrival
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
76,935 mi
Home delivery from Waupun, WI
Price includes $567 shipping
Good Deal
$36,566
- 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 With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 46,757
- Stock #:
- 4710H
- VIN:
- 3GTUUEEL9PG320977
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
46,757 mi
Pekin, IL
57 mi away
Good Deal
$46,580
- 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:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 54,223
- Stock #:
- UM11239A
- VIN:
- 1GTP9EED4MZ127140
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
54,223 mi
Pontiac, IL
92 mi away
Good Deal
$38,875
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Titanium Rush Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 93,854
- Stock #:
- 739621
- VIN:
- 1GTUUEE83RZ132700
Price drop
-$913
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
93,854 mi
West Burlington, IA
49 mi away
Good Deal
$42,433
$41,520
- 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:
- Black
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,629
- Stock #:
- 10C0047P
- VIN:
- 1GTP9EEL4MZ173476
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
74,629 mi
Home delivery from Baxter, MN
Price includes $406 shipping
Good Deal
$36,655
- 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 Gba
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black W/Kalahari Accents Hvd
- Transmission:
- Automatic
- Mileage:
- 70,724
- Stock #:
- T359256
- VIN:
- 1GTP9EEDXMZ359256
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
70,724 mi
Dekalb, IL
97 mi away
Fair Deal
$38,690
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 61,515
- Stock #:
- UM11080
- VIN:
- 1GTUUEE88PZ319007
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
61,515 mi
Pontiac, IL
92 mi away
Good Deal
$44,375
- 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
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 124,369
- Stock #:
- MZ161951
- VIN:
- 1GTP9EEL3MZ161951
Price drop
-$2,338
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
124,369 mi
De Witt, IA
45 mi away
Fair Deal
$34,178
$31,840
- 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:
- 77,859
- Stock #:
- STK444645
- VIN:
- 1GTP9EEL9MZ444645
Price drop
-$1,000
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
77,859 mi
Home delivery from Lafayette, IN
Price includes $196 shipping
Good Deal
$37,191
$36,191
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 49,919
- Stock #:
- MX5011
- VIN:
- 1GTU9EET1MZ393032
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
49,919 mi
Home delivery from Louisville, TN
Price includes $905 shipping
Fair Deal
$40,816
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 27,864
- Stock #:
- P3958A
- VIN:
- 3GTUUEE81RG421610
New arrival
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
27,864 mi
Home delivery from High Point, NC
Price includes $830 shipping
Fair Deal
$54,417
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 79,130
- Stock #:
- D25165A
- VIN:
- 1GTUUEE85PZ120688
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
79,130 mi
Davenport, IA
26 mi away
Good Deal
$40,342
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 118,746
- Stock #:
- 2178172
- VIN:
- 3GTU9EET8MG378172
New arrival
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
118,746 mi
Aledo, IL
18 mi away
Good Deal
$30,367
- 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 With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 71,640
- Stock #:
- QBP6805A
- VIN:
- 1GTP9EEL3MZ258390
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
71,640 mi
Bloomington, IL
89 mi away
Good Deal
$38,314
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 107,128
- Stock #:
- KG300949
- VIN:
- 3GTP9EED3KG300949
2019 GMC Sierra 1500
AT4 Crew Cab 4WD
107,128 mi
East Dubuque, IL
91 mi away
Good Deal
$29,982
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 30,245
- Stock #:
- G6164
- VIN:
- 1GTUUEE8XRZ249836
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
30,245 mi
Morton, IL
63 mi away
Great Deal
$50,010
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 58,737
- Stock #:
- C20495PC
- VIN:
- 1GTUUEE86PZ176249
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
58,737 mi
Home delivery from Milwaukee, WI
Price includes $218 shipping
Good Deal
$44,694
- 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:
- 10,020
- Stock #:
- 29T2315C
- VIN:
- 1GTUUEE86TZ213990
New arrival
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
10,020 mi
East Moline, IL
20 mi away
Good Deal
$59,641
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Cayenne Red Tintcoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 92,178
- Stock #:
- 26407A
- VIN:
- 3GTU9EET5MG447531
Sponsored Listing
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
92,178 mi
Peru, IL
66 mi away
Fair Deal
$35,170
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 $24,121.50 to $85,404.00 with an average price of $32,819.98. 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.
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.
Is this review helpful?
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
Is this review helpful?
FAQs
How much does the GMC Sierra 1500 AT4 cost in Alpha, IL?
The average GMC Sierra 1500 AT4 costs about $31,187.25. The average price has decreased by -3.1% since last year. The 407 for sale near Alpha, IL on CarGurus, range from $24,122 to $85,404 in price.
How many GMC Sierra 1500 AT4 vehicles in Alpha, IL have no reported accidents or damage?
357 out of 407 for sale near Alpha, IL have no reported accidents or damage.
What is the fuel economy of the GMC Sierra 1500 AT4?
Depending on the engine and options, the GMC Sierra 1500 AT4 gets between 15 and 24 MPG/MPGe.
What fuel types are available?
Diesel, Gasoline engines 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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