Used GMC Sierra 1500 AT4 for Sale near Innisfil, ON
4,374 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2024
- 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:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 24,300
- Stock #:
- 26089
- VIN:
- 1GTUUEE83RZ103245
New arrival
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
24,300 mi
Eynon, PA
1 mi away
Great Deal
$52,995
- 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:
- 30,209
- Stock #:
- GMBBK
- VIN:
- 1GTUUEE8XRZ249836
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
30,209 mi
Albuquerque, NM
1 mi away
Great Deal
$51,795
- 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:
- 31,458
- Stock #:
- LZ295225
- VIN:
- 1GTP9EELXLZ295225
Price drop
-$2,000
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
31,458 mi
Lone Tree, CO
1 mi away
Fair Deal
$45,500
$43,500
- 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:
- Cardinal Red
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 80,900
- Stock #:
- G26469H
- VIN:
- 3GTP9EED4MG452483
New arrival
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
80,900 mi
Athens, AL
1 mi away
Fair Deal
$41,456
- 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:
- 29,592
- Stock #:
- T5107A
- VIN:
- 3GTP9EED2MG466527
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
29,592 mi
Britt, IA
1 mi away
Fair Deal
$44,889
- 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:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 130,050
- Stock #:
- D52278A
- VIN:
- 1GTU9EET8LZ328161
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
130,050 mi
Saint Marys, WV
1 mi away
Good Deal
$30,075
- 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:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 173,858
- Stock #:
- 434920A
- VIN:
- 1GTP9EEL0KZ138883
2019 GMC Sierra 1500
AT4 Crew Cab 4WD
173,858 mi
Roanoke, IL
1 mi away
Great Deal
$23,163
- 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:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 79,246
- Stock #:
- QBG1835
- VIN:
- 3GTU9EET1LG339535
Price drop
-$1,000
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
79,246 mi
Champaign, IL
1 mi away
Great Deal
$34,319
$33,319
- 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 79,429
- Stock #:
- G564A
- VIN:
- 3GTUUEET8NG515398
Price drop
-$1,522
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
79,429 mi
Detroit Lakes, MN
1 mi away
Good Deal
$41,345
$39,823
- 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:
- Silver
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 120,398
- Stock #:
- 14316
- VIN:
- 3GTPUEELXNG578533
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
120,398 mi
Purvis, MS
1 mi away
Good Deal
$39,335
- 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:
- 3,505
- Stock #:
- QBG1734
- VIN:
- 3GTUUEEL5PG273298
2023 GMC Sierra 1500
AT4 Crew Cab 4WD
3,505 mi
Champaign, IL
1 mi away
Great Deal
$51,319
- 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:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black W/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 103,649
- Stock #:
- W189443A
- VIN:
- 1GTP9EED7MZ268218
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
103,649 mi
Bradenton, FL
1 mi away
Good Deal
$32,813
- 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 102,540
- Stock #:
- G25970E
- VIN:
- 1GTU9EET5MZ250830
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
102,540 mi
Arundel, ME
1 mi away
Fair Deal
$34,079
- 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:
- Gray
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 19,699
- Stock #:
- 63469A
- VIN:
- 1GTUUEEL6RZ179997
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
19,699 mi
Opelousas, LA
1 mi away
Great Deal
$53,424
- 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:
- Titanium Rush Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 43,772
- Stock #:
- TFA91071A
- VIN:
- 1GTUUEET3NZ577095
New arrival
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
43,772 mi
Harvey, LA
1 mi away
Fair Deal
$49,185
- 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:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 71,534
- Stock #:
- T65247D
- VIN:
- 3GTP9EED5LG340127
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
71,534 mi
Cleveland, GA
1 mi away
Fair Deal
$40,366
- 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 49,590
- Stock #:
- K16785EC
- VIN:
- 3GTU9EETXMG284780
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
49,590 mi
North Palm Beach, FL
1 mi away
Great Deal
$38,777
- 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 81,854
- Stock #:
- STK281269
- VIN:
- 3GTU9EET9MG281269
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
81,854 mi
Folsom, CA
1 mi away
Great Deal
$36,072
- 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:
- Smokey Quartz Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 76,345
- Stock #:
- K276991
- VIN:
- 1GTP9EEL2LZ174639
2020 GMC Sierra 1500
AT4 Crew Cab 4WD
76,345 mi
Layton, UT
1 mi away
Good Deal
$37,991
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 16,914
- Stock #:
- X4932
- VIN:
- 1GTUUEE88RZ269714
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
16,914 mi
Mount Vernon, WA
1 mi away
Good Deal
$54,999
- 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:
- Gray (Dark Sky Metallic)
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 75,862
- Stock #:
- M3124A
- VIN:
- 1GTP9EED8MZ319189
Price drop
-$1,000
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
75,862 mi
Maurice, LA
1 mi away
Good Deal
$39,474
$38,474
- 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:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black with Kalahari accents
- Transmission:
- Automatic
- Mileage:
- 94,572
- Stock #:
- NG560931
- VIN:
- 3GTUUEET5NG560931
Price drop
-$2,000
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
94,572 mi
Nicholasville, KY
1 mi away
Great Deal
$37,999
$35,999
- 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:
- Onyx Black
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 41,586
- Stock #:
- V3826
- VIN:
- 1GTPUEEL3NZ642153
2022 GMC Sierra 1500
AT4 Crew Cab 4WD
41,586 mi
Millersburg, OH
1 mi away
Good Deal
$46,468
- 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:
- White
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,204
- Stock #:
- P3445
- VIN:
- 1GTP9EEL5MZ425364
Price drop
-$1,668
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
45,204 mi
Albion, NY
1 mi away
Great Deal
$39,874
$38,206
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 $0.00 to $0.00 with an average price of $33,699.78. 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
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?
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GMC Sierra 1500 SLT in Innisfil ONGMC Sierra 1500 Denali in Innisfil ONGMC Sierra 1500 AT4 in Innisfil ONGMC Sierra 1500 Elevation in Innisfil ONGMC Sierra 1500 SLE in Innisfil ONGMC Sierra 1500 Base in Innisfil ONGMC Sierra 1500 Work Truck in Innisfil ONGMC Sierra 1500 SLE1 in Innisfil ONGMC Sierra 1500 SL in Innisfil ONGMC Sierra 1500 SLE2 in Innisfil ON
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