* 3.5L V6: This was the standard engine option, producing 285 horsepower and 253 lb-ft of torque.
* 3.7L V6: This was available on the Sport trim level, generating 305 horsepower and 280 lb-ft of torque.
So, depending on the trim level, the base engine size for the 2012 Ford Edge is either 3.5L or 3.7L.
