I think diesel is the way to go and would be willing to try a diesel in the cayenne. Audi has already proven that diesel
is a viable alternative fuel for a sports car if engineered properly. If I had the means, and Audi actually produces it, I would put a deposit down a v12 tdi R8!
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Grady aka plain fan
66 912 - enjoying the good life
78 911 SC and 90 C2 turbo look cab - gone but not forgotten
01 996 TT -

09 Audi A4 Avant - daily driver