What size engine does the 2005 Nissan Titan have?

* 5.6L V8: This was the standard engine and produced 305 horsepower and 385 lb-ft of torque.

* 8.0L V8: This was an optional engine and produced 305 horsepower and 401 lb-ft of torque. It was only available on the "King Cab" and "Crew Cab" models with the SE trim level.

Both engines were paired with a 5-speed automatic transmission.