I am selling my 2020 GMC AT4 3.0L Duramax Turbo Diesel pickup truck. It has 21200 miles and is fully serviced and I am the original owner. The truck is fully loaded, power sunroof, Bose Stereo system AT4 Premium Package, Technology Package, Driver Alert Package ect and in excellent condition with a paint match removeable tonneau cover and custom 20â€x10†wheels. Please call if your interested.