Used GMC Trucks for Sale in Colorado
Sort
Filters
153 results
Location
Body Type
Popular Body Types
Other Body Types
Price
Mileage
Make, Model, and Trim
Make
Popular Makes
Model
Year
Chassis Options
Chassis Type
Drivetrain
Rear Wheels
Engine Manufacturer
GVWR
Cab to Axle
State
Used 2023 GMC Sierra 1500 Denali Crew Cab
$45,559
speed 79,966 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2025 GMC Sierra 1500 AT4 Crew Cab
$54,990
speed 38,272 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
O'Meara Ford
Northglenn, CO
(720) 664-2223
Used 2022 GMC Sierra 1500 Elevation Crew Cab
$37,763
speed 30,996 mi
sell
Key features
- Gasoline
- 2.7L Turbo I4 310hp 430ft. lbs.
- RWD
location_on
Red's Auto and Truck
Longmont, CO
(303) 854-6240
Used 2025 GMC Sierra 3500 Denali Crew Cab
$77,290
speed 16,277 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Bozarth Chevrolet
Lone Tree, CO
(775) 377-7979
Used 2024 GMC Sierra 2500 Denali Crew Cab
$71,904
speed 23,553 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Mike Maroone Ford Longmont
Longmont, CO
(970) 601-8299
Used 2024 GMC Sierra 1500 Denali Crew Cab
$56,098
speed 23,615 mi
sell
Key features
- Gasoline
- 4WD
- Denali
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2016 GMC Canyon SLT Crew Cab
$22,763
speed 112,935 mi
sell
Key features
- Gasoline
- 3.6L V6 305hp 269ft. lbs.
- 4WD
location_on
Red's Auto and Truck
Longmont, CO
(303) 854-6240
Used 2024 GMC Sierra 3500 Denali Ultimate Crew Cab
$77,694
speed 42,929 mi
sell
Key features
- Diesel
- 4WD
- Denali Ultimate
location_on
Phil Long Ford of Chapel Hills
Colorado Springs, CO
(719) 212-2785
Used 2024 GMC Sierra 2500 Denali Ultimate Crew Cab
$61,763
speed 109,891 mi
sell
Key features
- Diesel
- Duramax 6.6L Biodiesel Turbo V8 470hp 975ft. lbs.
- 4WD
location_on
Red's Auto and Truck
Longmont, CO
(303) 854-6240
Used 2023 GMC Sierra 1500 SLE Crew Cab
$39,747
speed 33,936 mi
sell
Key features
- Gasoline
- 5.3L EcoTec3 V8 engine
- 4WD
location_on
Bozarth Chevrolet
Lone Tree, CO
(775) 377-7979
Used 2025 GMC Canyon Denali Crew Cab
$42,894
speed 38,710 mi
sell
Key features
- Gasoline
- TurboMax<sup>™</sup> engine
- 4WD
location_on
Transwest GMC
Henderson, CO
(720) 439-3324
Used 2023 GMC Sierra 1500 Elevation Crew Cab
$40,871
speed 65,489 mi
sell
Key features
- Diesel
- 4WD
- Elevation
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO
(970) 632-9052
Used 2018 GMC Sierra 1500 SLT Crew Cab
$25,473.95
speed 119,316 mi
sell
Key features
- Gasoline
- 4WD
- SLT
location_on
Phil Long Ford Motor City
Colorado Springs, CO
(719) 284-2514
Used 2021 GMC Sierra 1500 AT4 Crew Cab
$35,698
speed 92,125 mi
sell
Key features
- Diesel
- 4WD
- AT4
location_on
Phil Long Ford of Chapel Hills
Colorado Springs, CO
(719) 212-2785
Used 2024 GMC Sierra 1500 AT4X Crew Cab
$62,281
speed 38,278 mi
sell
Key features
- Gasoline
- 4WD
- AT4X
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2020 GMC Canyon Denali Crew Cab
$30,804
speed 46,009 mi
sell
Key features
- Gasoline
- 4WD
- 4WD Denali
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2024 GMC Sierra 3500 Denali Crew Cab
$68,030
speed 51,101 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2020 GMC Sierra 2500 Denali Crew Cab
$57,345
speed 65,929 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Loveland Ford Lincoln
Loveland, CO
(970) 844-8411
Used 2019 GMC Sierra 2500 Denali Crew Cab
$47,199
speed 94,779 mi
sell
Key features
- Diesel
- 6.6 Liter Turbo
- 4x4
location_on
AutoNation Ford Arapahoe
Centennial, CO
(720) 513-6812
Used 2024 GMC Canyon AT4 Crew Cab
$39,721
speed 23,306 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
Mike Maroone Ford Longmont
Longmont, CO
(970) 601-8299
Used 2023 GMC Sierra 1500 Pro Crew Cab
$32,689
speed 31,749 mi
sell
Key features
- Gasoline
- 4WD
- Pro
location_on
Mike Maroone Ford Longmont
Longmont, CO
(970) 601-8299
Used 2023 GMC Sierra 1500 Denali Crew Cab
$51,779
speed 47,825 mi
sell
Key features
- Gasoline
- 4WD
- Denali
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2024 GMC Sierra 1500 Elevation Crew Cab
$43,081
speed 24,806 mi
sell
Key features
- Gasoline
- 4WD
- Elevation
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2018 GMC Sierra 1500 Denali Crew Cab
$27,507
speed 110,001 mi
sell
Key features
- Gasoline
- 5.3 Liter
- 4x4
location_on
AutoNation Chrysler Dodge Jeep Ram Southwest
Littleton, CO
(720) 599-4286
Used 2025 GMC Sierra 1500 Denali Crew Cab
$54,498
speed 15,838 mi
sell
Key features
- Diesel
- 3.0 Liter DOHC
- 4x4
location_on
AutoNation Chrysler Dodge Jeep Ram Southwest
Littleton, CO
(720) 599-4286
Used 2024 GMC Sierra 2500 AT4X Crew Cab
$67,588
speed 65,452 mi
sell
Key features
- Diesel
- 6.6 Liter Turbo
- 4x2
location_on
AutoNation Ford Littleton
Littleton, CO
(720) 664-2176
Used 2026 GMC Sierra 1500 AT4X Crew Cab
$72,490
speed 609 mi
sell
Key features
- Gasoline
- 4WD
- AT4X
location_on
O'Meara Ford
Northglenn, CO
(720) 664-2223
Used 2019 GMC Sierra 1500 SLT Crew Cab
$36,400
speed 67,504 mi
sell
Key features
- Gasoline
- 4WD
- SLT
location_on
Columbine Ford
Rifle, CO
(970) 410-8406
Used 2026 GMC Sierra 1500 Denali Ultimate Crew Cab
$73,097
speed 2,175 mi
sell
Key features
- Gasoline
- 4WD
- Denali Ultimate
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
Used 2024 GMC Sierra 1500 AT4X Crew Cab
$62,409
speed 19,992 mi
sell
Key features
- Gasoline
- 4WD
- AT4X
location_on
Alpine Buick GMC
Littleton, CO
(720) 783-2623
