2007 GMC Acadia SLE-1 AWD SUV Model: 2007 GMC Acadia With lots of space and comfort for up to eight passengers, all-wheel-drive traction and a wide range of luxury options, the 2007 Acadia is GMC's best SUV for everyday, modern urban use. 1 owner Miles: 108,100 MPG: 17 city / 24 highway Horsepower: 275 HP Towing capacity: 2,000 lbs Engine: 3.6L V6 Curb weight: 4,936 lbs Wheelbase: 118.9? Cargo volume: 19.7 ft³, 116.9 ft³ with seat area Carfax Report Available.