Used GMC Sierra 1500 AT4 for Sale near Fort Collins, CO

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

42,483 miles

$51,391

Fair Deal

Highlands Ranch, CO

70 mi away

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:: Desert Sand Metallic
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: Automatic
Mileage:: 42,483
Stock number:: KM153816
VIN:: 1GTUUEEL4PZ153816

Sponsored

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

4,711 miles

$62,212

Fair Deal

Broomfield, CO

44 mi away

Year:: 2025
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
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 4,711
Stock number:: 460117
VIN:: 3GTUUEEL2SG307982

Sponsored

2023 GMC Sierra 1500

AT4 Crew Cab 4WD

63,948 miles

$46,988

Good Deal

Denver, CO

62 mi away

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:: 63,948
Stock number:: B51805
VIN:: 1GTUUEEL0PZ159001

Sponsored

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

49,733 miles

$45,571

Good Deal

Fort Collins, CO

3 mi away

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:: Summit White
Combined gas mileage:: 16 MPG
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 49,733
Stock number:: 6653AW-1
VIN:: 1GTPUEELXNZ603110

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

76,655 miles

$38,765

Fair Deal

Thornton, CO

48 mi away

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:: Sky
Combined gas mileage:: 24 MPG
Fuel type:: Diesel
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 76,655
Stock number:: 8164GS
VIN:: 1GTU9EET9MZ380934

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

50,667 miles

$52,997

Good Deal

Highlands Ranch, CO

70 mi away

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
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 50,667
Stock number:: KM102684
VIN:: 1GTUUEEL7RZ102684

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

80,752 miles

$36,262

Good Deal

Loveland, CO

11 mi away

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:: 80,752
Stock number:: TG132974A
VIN:: 1GTU9EET0LZ253813

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

71,656 miles

$39,990

Fair Deal

Northglenn, CO

48 mi away

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:: 71,656
Stock number:: SFA10536A
VIN:: 1GTP9EEL9MZ150775

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

43,878 miles

$51,499

Great Deal

Golden, CO

59 mi away

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:: Black
Fuel type:: Gasoline
Interior color:: Black
Mileage:: 43,878
Stock number:: RZ146506
VIN:: 1GTUUEEL5RZ146506

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

99,460 miles

$34,887

Good Deal

Lakewood, CO

59 mi away

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 With Kalahari Accents
Transmission:: Automatic
Mileage:: 99,460
Stock number:: G6782A
VIN:: 3GTP9EEL6MG131343

Preparing for a close up...

Photos coming soon

2022 GMC Sierra 1500

AT4 Crew Cab 4WD

49,213 miles

$47,979

Fair Deal

Highlands Ranch, CO

70 mi away

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:: Cayenne Red Tintcoat
Combined gas mileage:: 16 MPG
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 49,213
Stock number:: KM535877
VIN:: 1GTPUEEL3NZ535877

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

93,245 miles

$32,950

Good Deal

Frederick, CO

32 mi away

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:: Black
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: 8-Speed Automatic
Mileage:: 93,245
VIN:: 1GTP9EED1KZ170072

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

114,036 miles

$29,900

Great Deal

Littleton, CO

70 mi away

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:: 10-Speed Automatic
Mileage:: 114,036
Stock number:: CJ 465616
VIN:: 3GTP9EEL8MG465616

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

AT4 Crew Cab 4WD

60,803 miles

$42,488

Fair Deal

Brighton, CO

45 mi away

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:: Summit White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 60,803
Stock number:: 16253Z
VIN:: 3GTP9EEL0LG342794

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

37,464 miles

$39,270

Good Deal

Greeley, CO

21 mi away

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:: White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Black
Transmission:: Automatic
Mileage:: 37,464
Stock number:: KG247409T
VIN:: 3GTP9EED1KG247409

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

77,968 miles

$44,800

Great Deal

Lakewood, CO

59 mi away

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior color:: Red
Combined gas mileage:: 25 MPG
Fuel type:: Diesel
Interior color:: Black
Transmission:: Automatic
Mileage:: 77,968
Stock number:: STW260251A
VIN:: 1GTUUEE81RZ252205

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Double Cab 4WD

199,120 miles

$20,080

Good Deal

Sterling, CO

99 mi away

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:: Summit White
Combined gas mileage:: 17 MPG
Fuel type:: Gasoline
Interior color:: Jet Black w/Kalahari Accents
Transmission:: 8-Speed Automatic
Mileage:: 199,120
Stock number:: SP1296B
VIN:: 1GTR9EED4KZ202523

Preparing for a close up...

Photos coming soon

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

31,351 miles

$55,495

Good Deal

Highlands Ranch, CO

70 mi away

Year:: 2025
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
Fuel type:: Gasoline
Interior color:: Jet Black
Transmission:: 10-Speed Automatic
Mileage:: 31,351
Stock number:: KM129341
VIN:: 1GTUUEEL5SZ129341

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

AT4 Crew Cab 4WD

71,751 miles

$36,771

Good Deal

Parker, CO

74 mi away

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:: Pacific Blue Metallic
Fuel type:: Gasoline
Interior color:: Jet Black With Kalahari Accents
Transmission:: Automatic
Mileage:: 71,751
Stock number:: KG136412
VIN:: 3GTP9EEL6KG136412

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

111,878 miles

$33,998

Fair Deal

Littleton, CO

66 mi away

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:: 111,878
Stock number:: MG158899
VIN:: 3GTP9EEL1MG158899

Preparing for a close up...

Photos coming soon

2021 GMC Sierra 1500

AT4 Crew Cab 4WD

114,036 miles

$29,900

Great Deal

Littleton, CO

70 mi away

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:: 10-Speed Automatic
Mileage:: 114,036
Stock number:: CJ 465616
VIN:: 3GTP9EEL8MG465616

Sponsored