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Not to mention it is easy, in 9 minutes, going down a big hill. I can get 99.99 mpg in 9 minutes. I beat you.
True, but that would be cheating. I was going on a regular (flat) road. The trafic was minimal though - no overtaking. At times it was showing even 4.9L/100km.
I'm running a custom tune from a local VAG specialist. I'm not sure the engines are any different - lots of US imported Cayennes in Poland, they seem to drive just the same.