GMC Sierra 3500 Trucks for Sale in Colorado
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Price
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New 2026 GMC Sierra 3500 Pro Crew Cab
$67,995
sell
Key features
- Diesel
- 4WD
- Pro
location_on
Alpine Buick GMC
Littleton, CO
New 2026 GMC Sierra 3500 Pro Crew Cab
$70,130 MSRP
$66,046
sell
Key features
- Diesel
- Turbocharged Diesel V8 6.6L/
- 4WD
location_on
Weld County Garage - GMC
Greeley, CO
New 2026 GMC Sierra 3500 Denali Crew Cab
$96,759
sell
Key features
- Diesel
- 4WD
- Denali DRW
location_on
Alpine Buick GMC
Littleton, CO
New 2026 GMC Sierra 3500 Denali Ultimate Crew Cab
$104,040
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO
New 2026 GMC Sierra 3500 Pro Crew Cab
$72,425 MSRP
$69,025
sell
Key features
- Diesel
- 4WD
- Pro
location_on
Johnson Auto Plaza GMC
Brighton, CO
New 2026 GMC Sierra 3500 Denali Ultimate Crew Cab
$110,479
sell
Key features
- Diesel
- 4WD
- Denali Ultimate DRW
location_on
Alpine Buick GMC
Littleton, CO
New 2026 GMC Sierra 3500 Pro Crew Cab
$70,130 MSRP
$66,046
sell
Key features
- Diesel
- Turbocharged Diesel V8 6.6L/
- 4WD
location_on
Weld County Garage - GMC
Greeley, CO
New 2026 GMC Sierra 3500 Pro Crew Cab
$72,430 MSRP
$69,030
sell
Key features
- Diesel
- 4WD
- Pro
location_on
Johnson Auto Plaza GMC
Brighton, CO
New 2026 GMC Sierra 3500 Pro Regular Cab
$67,640 MSRP
$64,240
sell
Key features
- Diesel
- 4WD
- Pro
location_on
Johnson Auto Plaza GMC
Brighton, CO
New 2026 GMC Sierra 3500 Denali Ultimate Crew Cab
$99,095
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO
New 2026 GMC Sierra 3500 AT4 Crew Cab
$91,900
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO
New 2026 GMC Sierra 3500 Pro Regular Cab
$55,895
sell
Key features
- Gasoline
- Gas V8 6.6L/
- 4WD
location_on
Weld County Garage - GMC
Greeley, CO
New 2026 GMC Sierra 3500 AT4 Crew Cab
$89,380
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO
Used 2023 GMC Sierra 3500 Crew Cab Flatbed Truck
$42,182
speed 102,447 mi
sell
Key features
- Diesel
- 4WD
- Crew Cab
location_on
Transwest GMC
Henderson, CO
Used 2024 GMC Sierra 3500 Crew Cab Flatbed Truck
$52,143
speed 42,351 mi
sell
Key features
- Diesel
- 4WD
- Crew Cab
location_on
Transwest GMC
Henderson, CO
Used 2024 GMC Sierra 3500 Denali Crew Cab
$65,990
speed 66,738 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
O'Meara Ford
Northglenn, CO
Used 2021 GMC Sierra 3500 Denali Crew Cab
$68,791
speed 12,506 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Alpine Buick GMC
Littleton, CO
Used 2025 GMC Sierra 3500 Denali Crew Cab
$77,490
speed 16,277 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Bozarth Chevrolet
Lone Tree, CO
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
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
Used 2022 GMC Sierra 3500 AT4 Crew Cab
$48,400
speed 113,194 mi
sell
Key features
- Diesel
- 4WD
- AT4
location_on
Columbine Ford
Rifle, CO
Used 2024 GMC Sierra 3500 AT4 Crew Cab
$72,400
speed 10,928 mi
sell
Key features
- Diesel
- 4WD
- AT4
location_on
Columbine Ford
Rifle, CO
Used 2025 GMC Sierra 3500 AT4 Crew Cab
$79,866
speed 13,345 mi
sell
Key features
- Diesel
- 4WD
- AT4
location_on
Fort Collins Dodge Chrysler Ram
Fort Collins, CO
Used 2020 GMC Sierra 3500 Denali Crew Cab
$60,189
speed 104,383 mi
sell
Key features
- Diesel
- 4WD
- Denali
location_on
Loveland Ford Lincoln
Loveland, CO
Used 2026 GMC Sierra 3500 SLT Crew Cab
$73,593
speed 400 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Transwest GMC
Henderson, CO
Used 2023 GMC Sierra 3500 Pro Crew Cab
$45,963
speed 73,057 mi
sell
Key features
- Diesel
- Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
- 4WD
location_on
Red's Auto and Truck
Longmont, CO
Used 2020 GMC Sierra 3500 SLE Crew Cab
$42,693.95
speed 63,500 mi
sell
Key features
- Gasoline
- 4WD
- SLE
location_on
Phil Long Ford Motor City
Colorado Springs, CO
Used 2020 GMC Sierra 3500 Denali Crew Cab
$53,093
speed 88,586 mi
sell
Key features
- Diesel
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- 4WD
location_on
Transwest GMC
Henderson, CO
Used 2024 GMC Sierra 3500 Denali Ultimate Crew Cab
$77,398
speed 37,255 mi
sell
Key features
- Diesel
- 4WD
- Denali Ultimate
location_on
Phil Long Ford of Chapel Hills
Colorado Springs, CO
