2017 mileage: 236 KM First owner Double gear GMC Sierra two-door 2017 Body condition: intact as in the pictures, only the rear left fender piece was replaced at the agency. Engine: guaranteed, no issues. Gearbox: The gearbox module has been replaced and is now in excellent condition with no complaints. This model has a manufacturing defect in the gearbox module. Mileage: 236,000 Installed a Canadian 40,000 BTU transmission cooler.