* 3.6L V6: This was the standard engine, producing 288 horsepower and 270 lb-ft of torque.
* 3.6L V6 with direct injection: This optional engine produced 301 horsepower and 272 lb-ft of torque.
It's important to note that the engine size might vary depending on the specific trim level and configuration of the 2010 GMC Acadia you are interested in.