The average mileage for the GT with 1^3,6L/100km seems not much in my eyes. My Scirocco R has also 13,4L/100km with 353PS and a 4 Cylinder engine. Europe V8 need it also, if you drive it for what its build for. ;) But the 320g/km are crazy. An Audi RS5 with 450hp produces 246-252g/km. I think...