If you want more power from
If you want more power from the 2.4T, a tune can probably get you there for reasonable expense.
Also, at 75MPH, even my frugal little Crosstrek doesn't always average EPA-estimated MPG. At 70MPH it can exceed it with stock-sized tires, but with 1" taller tires it averages about the EPA rating of 32-33MPG when near sea level and using "summer" gasoline.