I started to keep (roughly) track of my gas mileage. For normal spirited road use (no highways) I found the Spyker unbelievable frugal, compared to the Ferrari.
Spyker C8 Spyder: 20MPG
Ferrari F430 Spider: 10MPG
Spyker C8 Spyder: 20MPG
Ferrari F430 Spider: 10MPG
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