* 3.5L V6: This engine produced 280 horsepower and 254 lb-ft of torque.
* 3.7L V6 (SH-AWD models): This engine produced 305 horsepower and 271 lb-ft of torque.
So, the horsepower of a 2009 Acura TL engine depends on whether it has the 3.5L or 3.7L engine.