Recent Arrival! Priced below KBB Fair Purchase Price! 2022 GMC Sierra 2500HD AT4 AT4 Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD CARFAX One-Owner. Clean CARFAX. Odometer is 34592 miles below market average! All prices are plus tax, title, license fee, and doc fee ($490).