Very clean 2004 GMC Sierra SLT 2500 HD 6.6L LB7 Duramax with Allison Transmission. This is a 2 owner truck with 161,XXX miles. I purchased the vehicle at 25,000 miles. This truck has been well taken care of, never smoked in, and makes an excellent driver or tow vehicle., , Truck is an SLT model and loaded with options: OnStar, medium gray leather interior, unique factory exterior “carbon” color with flake, driver information center, Bose stereo system, power/heated bucket seats, and dual electronic climate control. Luverne running boards, Pace Edwards locking roll top bed cover, electronic locking tailgate, Putco bed rails and mudflaps, Prodigy brake controller, high idle switch, spray-in bedliner, and winter/summer cover front., , Routinely serviced with Shell Rotella T and Dexron III. 10,000 miles on Goodyear Wrangler SilentArmor 265/75R16 tires. All 8 injectors replaced at 100,000 miles under warranty. New front seat cover bottoms and seat heaters. New ceramic brakes/rotors, shocks, internal transmission filter replaced, and new batteries at 150,000 miles. New hoses, thermostats, and serpentine belt at 100,000 miles. , , Truck is stock with 300 hp and 520 lb-ft torque, it had no problem pulling a 24 ft enclosed car trailer fully loaded, down the highway at 80 mph. 99% of the miles on this truck are highway. Runs great as a driver or as a tow vehicle. Averages 18 mpg @ 70 mph. Push button 4 wheel drive will get you out of any situation. , , Kelley Blue Book shows $20,140, I'm selling for $18,500. This is a great price on a well maintained top of the line 2004 Sierra.