They claim that the following results are the highest to lowest: Golf Gti Turbo test car
Sunco Racing fuel: 218 bhp and 248 ft lb
BP Ultima: 212 bhp and 252 ft lb
Tescos: 212 bhp and 242 ft lb
Optimax: 209 bhp and 242 ft lb
BP 95 ron: 204 bhp and 242 ft lb
Shell 95 ron: 205 bhp and 234 ft lb
Tescos 99 ron is 5% bio-ethanol, giving higher octane than super hence 99 ron........... Racing fuel is quoted as 115 ron
Here endeth the lesson........... how boring is that.