Try A Plan, 42 clean licence ( god knows how!) supercharged, domestic & pleasure use, full no claims Stroud Glos £ 475.00 per year fully comp 6000 miles max.
This is where it really pays to shop around, I usually spend a few hours getting the best quote poss, The other company I have used before is peter best they wanted £ 525.00 and that was with unlimited milage