What size engine is in the Ford F-150?

You have 3 engine choices in the new Ford F-150. A 4.6L 2-valve V8 that puts out V8 power with class-leading fuel economy of 22 miles per gallon. Next up is the 4.6L 3-valve V8 which is slightly more powerful than the 4.6L 2-valve V8, but gets 1 mpg less at 21 miles per gallon. The most powerful and reliable engine of them all is the 5.4L 3-valve V8. This engine pumps out 330 horsepower and has class-leading fuel economy of 19 mpg.