I don't know.
How much difference is there between a £10,000 car with a 2.0 engine and a £30,000 car with a 2.0 engine.

Lots!

But only if you're using it on a race track, if all you want to do is drive to asda, they'll both do.
(Twin Pack Even less funny than Michael McIntyre, Sat 27 Dec 2008, 1:37, archived)