Automatic, 6.0 Turbo Diesel Engine, 175k miles, 2WD, starts and runs perfect, bullet proofed engine, power max turbo, new injector heads upgraded, pcm, ect, no leaks, no issues, ready to work, very clean in and out, 19.5 wheels with good tires, Vulcan double winch, cold ac, power windows, clean Colorado title in hand, Over 6k in upgrades to make bullet proof. No rust, very strong and great truck, needs nothing, PLEASE DO NOT BUY WITHOUT HAVING THE FUNDS LIKE THE LAST GUY!