The 2010 GMC Acadia is a stout yet stylish crossover SUV with optional seating for eight and a 288 hp V6. The 2010 GMC Acadia is now available with a USB connection in the center console and optional 20 in. chrome-clad wheels. This Acadia is a AWD. A 3.6L V6 engine under the hood produces 288 hp and 270 lb-ft of torque. A six-speed automatic is the only transmission available. EPA estimated fuel economy is 17 city/24 hwy for the FWD model and 16 city/23 hwy for the AWD version.