Engine

• The Acadia is powered by a 3.6-liter V-6 engine. The Acadias sold from 2007 to 2008 offered 275 horsepower at 6,600 revolutions per minute (rpm) and 251 ft-lbs. of torque at 3,200 rpm. This motor's power was increased for the 2009 model year, and has remained the same through the 2011 model year. This newer engine generates 288 horsepower at 6,300 rpm and 270 ft-lbs. of torque at 3,400 rpm.
  
  

Dimensions

• The full-size Acadia SUV sits on a 118.9-inch wheelbase with a 67.1-inch track. The body of this vehicle is 200.7 inches long, 78.2 inches wide and 69.9 inches tall. The cabin of the Acadia offers 154 cubic feet of passenger volume and 24.1 cubic feet of cargo volume. These dimensions have remained the same from the vehicle's introduction through the 2011 model year.
  
  

Fuel Economy

• The 275-horsepower Acadia with all-wheel drive yielded 16 miles per gallon in the city and 22 mpg on the highway. The front-wheel drive model was rated for 16 mpg in the city and 24 mpg on the highway. The later 288-horsepower all-wheel-drive models get 16 mpg in the city and 23 mpg on the highway. The front-wheel-drive 288-horsepower model is rated for 17 mpg in the city and 24 mpg on the highway.