2019 GMC Sierra 3500HD 4WD powered by a 6.6L V8 Duramax diesel engine and Allison automatic transmission. Runs and drives with 106,604 miles. Exterior: Dings in drivers door and in running boards. Small hail dings in areas. Interior: Minor upholstery stains. Mechanical: Check engine light is on and shows codes P133B, P133F, and P24B0.