661 used GMC cars diesel in CO

Trim: SLT Transmission: Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: 11697A Exterior Color: N/A Interior Color: N/A...

Trim: AT4 4x4 Crew Cab 5.75 ft. Box 147.4 in. WB Transmission: 10-Speed Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: T18822A Exterior Color: White...

Trim: SLT Transmission: 6-Speed Automatic Engine: Turbocharged Diesel V8 6.6L/403 Doors: 4 Stock ID: PHF100266 Exterior Color: Deep Garnet...

Exterior Color: white, Interior Color: gray, Body: Pickup Truck, Engine: V8, 6.6L Turbo Dsl, Fuel: Diesel

Trim: AT4 Transmission: 10-Speed Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: 956050 Exterior Color: Gray Interior...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: SN0800A Exterior Color: N/A Interior...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: P2612 Exterior Color: N/A Interior...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: SN0760A Exterior Color: N/A Interior...

Trim: SLT Transmission: Automatic Engine: Turbocharged Diesel V8 6.6L/403 Doors: 4 Stock ID: M2832 Exterior Color: Silver Interior Color...

Exterior Color: onyx black, Interior Color: jet black, Body: Crew Cab Pickup, Engine: Diesel I6 3.0L/183, Fuel: D, Cylinders: 6, Doors: 4

Trim: SLE Transmission: Manual Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: T6665A Exterior Color: Red Interior Color: Gray...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 286163A Exterior Color: Silver...

Trim: SLT Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: LC1367 Exterior Color: Red Interior...

Trim: SLE Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 48131A Exterior Color: Silver Interior...

Trim: SLT Transmission: Automatic Engine: Turbocharged Diesel V8 6.6L/ Doors: 4 Stock ID: 2159--- Exterior Color: White Interior Color: N/A...

...metallic, Interior Color: atmosphere/brownstone, Body: Crew Cab Pickup, Engine: Turbocharged Diesel I6 3.0L/183, Fuel: D, Cylinders: 6, Doors: 4

Trim: Denali Transmission: Automatic Engine: Turbocharged Diesel V8 6.6L/ Doors: 4 Stock ID: 14BR631P Exterior Color: White Interior Color...

Trim: Denali Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: G22064B Exterior Color: Black...

Trim: AT4 Transmission: Automatic Engine: Diesel I6 3.0L/183 Doors: 4 Stock ID: 14BU301P Exterior Color: Black Interior Color: Black Certified...

Trim: Denali Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 000P1030 Exterior Color: N/A...

Trim: AT4 Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: P4361 Exterior Color: Black Interior...

...Interior Color: dark walnut/dark ash grey, Body: Crew Cab Pickup, Engine: Turbocharged Diesel V8 6.6L/403, Fuel: D, Cylinders: 8, Doors: 4

Trim: Denali Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 3GT5345A Exterior Color: Black...

Trim: AT4 Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 48125A Exterior Color: White Interior...