Parts & Accessories Spare parts mileage: 324 KM or more For sale GMC Sierra, double cabin, 2014 SLT Category: SLT; highest category Mileage: 324,000 km Body: Agency Engine: Has a sound, and I expect it's from the lifter (manufacturing defect) Gearbox: Gear torque converter changed (manufacturing defect) Specifications: Screen Rear camera Maps Lane departure radar Front and rear sensors Cooled and heated seats Side LED