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Osem · 24-03-2011, 22:17

I saw an old Fifth Gear episode today in which they compared BP Ultimate, Shell Optimax and regular supermarket unleaded. They tested each fuel on each of 3 cars (a family runaround, a mid range car and a high powered model) under controlled conditions and found the higher priced fuels made no difference to performance in the low spec car but did make a significant improvement to power output and torque in the higher powered cars.

24-03-2011, 22:17	#7
Osem Inactive Join Date: Oct 2006 Location: Right here! Posts: 22,316	Re: Is supermarket fuel good enough? I saw an old Fifth Gear episode today in which they compared BP Ultimate, Shell Optimax and regular supermarket unleaded. They tested each fuel on each of 3 cars (a family runaround, a mid range car and a high powered model) under controlled conditions and found the higher priced fuels made no difference to performance in the low spec car but did make a significant improvement to power output and torque in the higher powered cars.