2002 GMC Sierra 3500 SLT. Crew Cab. 6.6 Duramax Diesel. Allison Automatic Transmission. No chips or programmers on this truck! Very well taken care of. Leather Interior. Loaded!! Onstar equipped. Large towing mirrors. Power Windows/ Power Door Locks/ Power Seats. Bright Red Color. Looks great - must see to appreciate. 2wd. 220k miles on truck. Still runs like it was new - shifts well through all gears. Does not use any fluids. I drove the truck 850 miles round trip to Auburn, AL with boat in tow just last month with no problems at all. $14250 - call or text Jeremy at 270.293.3983 with any questions. Thanks for looking!