Audi
Editor's Note: Audi stands out on this list as one of the few luxury manufacturers to have a wide offering of fuel-effiecient inline-four cylinder engines, something most other luxury manufacturers don't offer.
Top Car: 2009 Audi TT 2.0T with S tronic (26 mpg, $33,700)
Top Truck / SUV: 2009 Audi Q5 3.2 quattro (20 mpg, $33,700)
If it were our money: 2009 Audi TT 2.0 T Roadster with S tronic (25 mpg, $31,095)
Pictured vehicle: 2009 Audi TT 2.0 T Roadster
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