Used Gray GMC Sierra 1500 for Sale in Colorado

698 results

2017 GMC Sierra 1500

SLE Crew Cab 4WD

114,417 km

$23,499

CarGurus partner

Year:: 2017
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 355 hp 5.3L V8
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 114,417
Stock #:: GH-128909
VIN:: 3GTU2MEC7HG188934

2021 GMC Sierra 1500

SLE Crew Cab 4WD

17,000 km

$44,900

CarGurus partner

Year:: 2021
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 17,000
Stock #:: 8870
VIN:: 1GTU9BED3MZ188870

2024 GMC Sierra 1500

Denali Crew Cab 4WD

81,337 km

$56,145

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 81,337
Stock #:: RG270020
VIN:: 3GTUUGEL2RG270020

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

40,867 km

$52,900

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 40,867
Stock #:: 1203
VIN:: 3GTUUCE8XSG237910

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

57,935 km

$46,999

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 57,935
Stock #:: GH-A129719
VIN:: 3GTUUCE81RG397555

2021 GMC Sierra 1500

SLT Crew Cab 4WD

58,960 km

$44,390

Great Deal

$779/mo est.

Saint-Jean-sur-Richelieu, QC

1 km away

CarGurus partner

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 colour:: Gray
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 58,960
Stock #:: A7206
VIN:: 3GTU9DED9MG335298

2021 GMC Sierra 1500

SLT Crew Cab 4WD

126,351 km

$38,975

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 colour:: Gray (Dark Grey)
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 126,351
Stock #:: 26139A
VIN:: 3GTU9DED9MG222712

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

82,214 km

$60,707

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 82,214
Stock #:: 46543A
VIN:: 3GTUUEE89SG178425

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2023 GMC Sierra 1500

Elevation Crew Cab 4WD

42,056 km

$47,396

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 42,056
Stock #:: U13526
VIN:: 3GTUUCE84PG166775

2016 GMC Sierra 1500

SLE Double Cab 4WD

230,000 km

$14,800

CarGurus partner

Year:: 2016
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 230,000
Stock #:: CS8730
VIN:: 1GTV2MEC1GZ138730

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2021 GMC Sierra 1500

Elevation Crew Cab 4WD

114,542 km

$36,876

CarGurus partner

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 colour:: Gray
Fuel type:: Diesel
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 114,542
Stock #:: 43857A
VIN:: 1GTU9CET6MZ298843

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2024 GMC Sierra 1500

AT4X Crew Cab 4WD

37,232 km

$69,999

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Gray
Combined gas mileage:: 12 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 37,232
Stock #:: 38192U
VIN:: 3GTUUFE89RG438192

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2025 GMC Sierra 1500

Pro Regular Cab 4WD

20,408 km

$45,694

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 2 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Gray
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 20,408
Stock #:: P11374
VIN:: 3GTNUAEK3SG108041

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2023 GMC Sierra 1500

SLE Crew Cab 4WD

164,063 km

$30,980

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Interior colour:: Gray
Transmission:: Automatic
Mileage:: 164,063
Stock #:: PS-0772-E
VIN:: 1GTPUBEK0PZ161382

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2019 GMC Sierra 1500

Elevation Crew Cab 4WD

175,527 km

$23,900

CarGurus partner

Year:: 2019
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Gray
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 175,527
Stock #:: CG218002A
VIN:: 1GTP9CEK7KZ194590

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2024 GMC Sierra 1500

AT4 Crew Cab 4WD

55,688 km

$55,799

CarGurus partner

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 colour:: Gray
Combined gas mileage:: 14 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 55,688
Stock #:: B2114
VIN:: 3GTUUEEL4RG216707

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2023 GMC Sierra 1500

Elevation Crew Cab 4WD

50,526 km

$45,995

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 355 hp 5.3L V8
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 50,526
Stock #:: N15855
VIN:: 3GTUUCED7PG315855

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

29,461 km

$54,284

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Gray
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 29,461
Stock #:: LW3151-V
VIN:: 3GTUUCE81RG133350

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2021 GMC Sierra 1500

Denali Crew Cab 4WD

181,574 km

$32,820

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 colour:: Gray (Dark Grey)
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Gray (Dark Grey)
Transmission:: Automatic
Mileage:: 181,574
Stock #:: 26046A
VIN:: 1GTU9FET5MZ189467

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2021 GMC Sierra 1500

SLT Crew Cab 4WD

107,491 km

$40,990

CarGurus partner

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 colour:: Gray
Combined gas mileage:: 14 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 107,491
Stock #:: N0281
VIN:: 3GTU9DEL4MG438927

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2025 GMC Sierra 1500

Denali Crew Cab 4WD

26,098 km

$69,000

CarGurus partner

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 colour:: Gray
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 26,098
Stock #:: 47313G
VIN:: 3GTUUGEL4SG247313

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2024 GMC Sierra 1500

SLE Crew Cab 4WD

136,338 km

$42,108

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray
Transmission:: Automatic
Mileage:: 136,338
Stock #:: 380775
VIN:: 3GTUUBED2RG141769

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

28,190 km

$47,995

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Gray
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 28,190
Stock #:: TA216586
VIN:: 3GTPUCEK6RG216586

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2024 GMC Sierra 1500

Elevation Crew Cab 4WD

53,685 km

$56,047

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Exterior colour:: Gray (Thunderstorm Grey)
Interior colour:: Jet Black
Transmission:: Automatic
Mileage:: 53,685
Stock #:: F7KXMC
VIN:: 3GTUUCED6RG323481

Shop all gray cars in Colorado Used White GMC Sierra 1500 for Sale in Colorado Used Blue GMC Sierra 1500 for Sale in Colorado Used Red GMC Sierra 1500 for Sale in Colorado Used Black GMC Sierra 1500 for Sale in Colorado Used Silver GMC Sierra 1500 for Sale in Colorado

Used GMC Sierra 1500 for Sale with Tow Package in Colorado

Used Gray GMC Sierra 1500 for Sale in Colorado

2017 GMC Sierra 1500

$23,499

2021 GMC Sierra 1500

$44,900

2024 GMC Sierra 1500

$56,145

2025 GMC Sierra 1500

$52,900

2024 GMC Sierra 1500

$46,999

2021 GMC Sierra 1500

$44,390

2021 GMC Sierra 1500

$38,975

2025 GMC Sierra 1500

$60,707

2023 GMC Sierra 1500

$47,396

2016 GMC Sierra 1500

$14,800

2021 GMC Sierra 1500

$36,876

2024 GMC Sierra 1500

$69,999

2025 GMC Sierra 1500

$45,694

2023 GMC Sierra 1500

$30,980

2019 GMC Sierra 1500

$23,900

2024 GMC Sierra 1500

$55,799

2023 GMC Sierra 1500

$45,995

2024 GMC Sierra 1500

$54,284

2021 GMC Sierra 1500

$32,820

2021 GMC Sierra 1500

$40,990

2025 GMC Sierra 1500

$69,000

2024 GMC Sierra 1500

$42,108

2024 GMC Sierra 1500

$47,995

2024 GMC Sierra 1500

$56,047

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