If my back of the envelope calculations are correct, our 7-seater midsize SUV uses about 35hp at a sustained crusing speed of 70mph. For a road car being able t

If my back of the envelope calculations are correct, our 7-seater midsize SUV uses about 35hp at a sustained crusing speed of 70mph. For a road car being able to produce it's maximum power for only short periods isn't much of a problem. Slightly different if you expect to be able to take it around a track.