588 used GMC cars diesel in CO

...Color: onyx black, Interior Color: jet black, Body: Crew Cab Pickup, Engine: Turbocharged Diesel V8 6.6L/403, Fuel: D, Cylinders: 8, Doors: 4

...Color: summit white, Interior Color: jet black, Body: Crew Cab Pickup, Engine: Turbocharged Diesel V8 6.6L/, Fuel: D, Cylinders: 8, Doors: 4

This 2003 GMC Crew Cab 2500HD Sierra SLT Short Bed Crew Cab Duramax Diesel is near flawless inside and out. Looks beautiful! Runs like a dream...

...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: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: DU91122 Exterior Color: Red Interior...

...quicksilver metallic, Interior Color: jet black, Body: Crew Cab Pickup, Engine: Turbocharged Diesel V8 6.6L/, Fuel: D, Cylinders: 8, Doors: 4

Trim: SLE Transmission: Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: DY91233 Exterior Color: White Interior Color...

Trim: Denali Transmission: Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: DY91252 Exterior Color: Silver Interior Color...

This 2004.5 GMC 2500HD Ext Cab SLT Duramax Diesel is near flawless inside and out. Looks beautiful! Runs like a dream with this high regarded...

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

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

...Color: onyx black, Interior Color: jet black, Body: Crew Cab Pickup, Engine: Turbocharged Diesel V8 6.6L/403, Fuel: D, Cylinders: 8, Doors: 4

Trim: AT4 Transmission: 10-Speed Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: 788661 Exterior Color: Black Interior...

Trim: SLT Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: O149148A Exterior Color: White Interior...

Trim: SLT Transmission: 10-Speed Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: MG12824 Exterior Color: Gray Interior...

Trim: AT4 Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: NF315560 Exterior Color: White Interior...

Trim: Denali Transmission: 6-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: UN100631 Exterior Color: Silver...

Exterior Color: white, Body: pickup, Fuel: DIESEL, Cylinders: 8, Doors: 4

Trim: AT4 Transmission: Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: L14454 Exterior Color: Black Interior Color...

Trim: Denali Transmission: 10-Speed Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: 3-C9241A Exterior Color: Black...

Trim: Denali Transmission: Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: 36256 Exterior Color: Black Interior Color...

...Navigation, Heated Leather Seats, Turbo Charged, Alloy Wheels, Bed Liner, Trailer Hitch, Four Wheel Drive, ENGINE, DURAMAX 6.6l turbo-diesel...

Trim: Denali Transmission: 10-Speed Automatic Engine: 6.6L V8 32V DDI OHV Turbo Diesel Doors: 4 Stock ID: G30342A Exterior Color: Black...

Exterior Color: white frost tricoat, Body: pickup, Fuel: DIESEL, Cylinders: 8, Doors: 4

Trim: Elevation Transmission: Automatic Engine: 3.0L I6 24V DDI DOHC Turbo Diesel Doors: 4 Stock ID: 24021--- Exterior Color: Red Interior...