GMC Acadia SLT 2011 Used Automatic Gasoline mileage: 278 KM For sale: GMC Acadia 2011 SLT. Engine, gearbox, and AC are all sound. The engine was rebuilt with new, original parts. The fuel pump failed on me and the car wouldn't start. I don't feel like fixing it as I have another car. Not renewed or inspected. For sale to the highest bidder.