This is probably the most pressing question for most of our shoppers. Both of these are aluminum engines. Both of them enjoy forced induction for maximum output. The T5 is a turbocharged four-cylinder that generates 250 horsepower. The T6 engine is also a four-cylinder unit, but it's wrapped by both turbocharger and a supercharger, resulting in 316 horsepower. This question invariably opens the box to the following: