* 4.0L V6: This engine produced 271 horsepower and 278 lb-ft of torque.
* 4.6L V8: This engine produced 310 horsepower and 327 lb-ft of torque.
* 5.7L V8: This engine produced 381 horsepower and 401 lb-ft of torque.
The specific engine will depend on the trim level and configuration of the Tundra. To determine the engine size for a specific 2011 Tundra, you would need to know the trim level or VIN.