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Quote: Originally Posted by Paul Mullett

Yes, sort of. A good wing (or any thing that adds downforce), is sort of like adding weight to the car (the back of the car in the case of a rear wing), but in relation to speed (when it's needed). So if you go faster, and get more downforce, then in very rough terms, you're increasing "weight" at the rear, and this would effect consumption. I have no idea how much, but I expect very little in terms of the MINI.

Isn't there a difference between a Wing and a Spoiler?

The wing on an Exige actually produces up to 100 pounds of downforce vice none of the Elise allowing it to corner "faster".

The "spoiler" on Porsches that pop up at 75 MPH are true spoilers, meant to break up the air pattern so the rear end doesn't get light ... I do not believe they create any downforce.