Used GMC Pickups for Sale in Colorado
Sort
Filters
139 results
Location
Body Type
Popular Body Types
Price
Mileage
Make, Model, and Trim
Make
Popular Makes
Year
Chassis Options
Chassis Type
Drivetrain
Rear Wheels
Engine Manufacturer
Transmission
GVWR
Cab to Axle
State
Used 2024 GMC Sierra 2500 SLE Crew Cab
contact for price
speed 74,275 mi
sell
Key features
- Gasoline
- 4WD
- SLE
location_on
Greeley Chrysler Dodge Jeep Ram
Greeley, CO (897.7 mi)
Used 2021 GMC Sierra 1500 Elevation Crew Cab
contact for price
speed 99,202 mi
sell
Key features
- Gasoline
- 4WD
- Elevation
location_on
Greeley Chrysler Dodge Jeep Ram
Greeley, CO (897.7 mi)
Used 2018 GMC Sierra 1500 Denali Crew Cab
contact for price
speed 72,142 mi
sell
Key features
- Gasoline
- 4WD
- Denali
location_on
Greeley Chrysler Dodge Jeep Ram
Greeley, CO (897.7 mi)
Used 2024 GMC Sierra 1500 Elevation Crew Cab
$36,914
speed 58,858 mi
sell
Key features
- Gasoline
- 4WD
- Elevation
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO (908.4 mi)
Used 2025 GMC Sierra 2500 Pro Crew Cab
$57,986
speed 20,106 mi
sell
Key features
- Diesel
- 4WD
- Pro
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO (908.4 mi)
Used 2024 GMC Canyon AT4 Crew Cab
contact for price
speed 33,006 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO (908.4 mi)
Used 2024 GMC Sierra 1500 AT4 Crew Cab
contact for price
speed 36,985 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO (908.4 mi)
Used 2024 GMC Sierra 2500 SLT Crew Cab
$66,422
speed 25,906 mi
sell
Key features
- Diesel
- 4WD
- SLT
location_on
Brandon Dodge Chrysler Jeep Ram
Loveland, CO (910.1 mi)
Used 2023 GMC Sierra 1500 AT4 Crew Cab
$50,201
speed 36,134 mi
sell
Key features
- Diesel
- 3.0L Duramax<sup>®</sup> Turbo Diesel engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2019 GMC Sierra 1500 SLT Crew Cab
$31,094
speed 106,150 mi
sell
Key features
- Gasoline
- Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2022 GMC Sierra 1500 AT4 Crew Cab
$37,841
speed 106,540 mi
sell
Key features
- Diesel
- Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2025 GMC Sierra 2500 Pro Crew Cab
$46,494
speed 55,090 mi
sell
Key features
- Gasoline
- 6.6L V8 Gas engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2025 GMC Sierra 2500 Pro Crew Cab
$47,233
speed 45,990 mi
sell
Key features
- Gasoline
- 6.6L V8 Gas engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2026 GMC Canyon AT4 Crew Cab
$44,394
speed 8,680 mi
sell
Key features
- Gasoline
- TurboMax<sup>™</sup> engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2023 GMC Canyon Denali Crew Cab
$40,194
speed 39,631 mi
sell
Key features
- Gasoline
- 2.7L Turbo High-Output engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2021 GMC Sierra 1500 Elevation Crew Cab
$28,666
speed 98,996 mi
sell
Key features
- Gasoline
- Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2024 GMC Sierra 2500 Pro Crew Cab
$48,193
speed 43,961 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2022 GMC Sierra 1500 SLT Crew Cab
$36,593
speed 74,662 mi
sell
Key features
- Diesel
- Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2024 GMC Sierra 1500 SLT Crew Cab
$40,494
speed 52,420 mi
sell
Key features
- Diesel
- 3.0L Duramax<sup>®</sup> Turbo Diesel engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2026 GMC Sierra 3500 SLT Crew Cab
$71,220
speed 400 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2022 GMC Sierra 2500 SLE Regular Cab
contact for price
speed 222,181 mi
sell
Key features
- Gasoline
- Engine: 6.6L, Gasoline V-8, SIDI
- 4WD
location_on
Transwest GMC
Henderson, CO (910.7 mi)
Used 2022 GMC Sierra 1500 Elevation Crew Cab
$34,951
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 (911 mi)
Used 2016 GMC Canyon SLT Crew Cab
$21,964
speed 112,935 mi
sell
Key features
- Gasoline
- 3.6L V6 305hp 269ft. lbs.
- 4WD
location_on
Red's Auto and Truck
Longmont, CO (911 mi)
Used 2024 GMC Sierra 2500 Denali Ultimate Crew Cab
$59,971
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 (911 mi)
Used 2022 GMC Sierra 2500 AT4 Crew Cab
$58,302
speed 49,317 mi
sell
Key features
- Diesel
- 4WD
- AT4
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)
Used 2023 GMC Sierra 1500 SLE Crew Cab
$38,207
speed 46,486 mi
sell
Key features
- Gasoline
- 4WD
- SLE
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)
Used 2025 GMC Sierra 1500 AT4 Crew Cab
$51,780
speed 38,272 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)
Used 2025 GMC Canyon AT4 Crew Cab
$43,433
speed 18,787 mi
sell
Key features
- Gasoline
- 4WD
- AT4
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)
Used 2022 GMC Sierra 1500 Denali Ultimate Crew Cab
$53,944
speed 40,282 mi
sell
Key features
- Diesel
- 4WD
- Denali Ultimate
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)
Used 2026 GMC Sierra 1500 AT4X Crew Cab
$68,989
speed 609 mi
sell
Key features
- Gasoline
- 4WD
- AT4X
location_on
O'Meara Ford
Northglenn, CO (916.7 mi)






















































