Maybe if you can't drive. Plenty of blokes on the XR6T forums have done fine. Tyre: Nitto Invo Size : 245/40/18 T/W: 260 ET: 11.2 MPH: 128.5 60f: 1.834 Tyre: Kumho KU31 Size : 235/45/17 T/W: 320 ET: 11.9 MPH: 120 60f: 2.09 nittos invos 11.9 et 119 mph 1.798 60ft 245/35/19s Tyre: sports max Size : 245/35/19 T/W: 260 ET: 11.7 MPH: 130 60f: 2.234 I can keep going if you like. The above cars all have more then 250rwkw. There is more to how a car can put power to the ground then tyres.