Fuel Economy / MPG » 5
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GREEN | 5 out of 10
V-8, manual: 11 mpg city, 20 mpg highway, 14 mpg combined
V-8, dual-clutch: 14 mpg city, 23 mpg highway, 17 mpg combined
V-10, manual: 12 mpg city, 19 mpg highway, 14 mpg combined
V-10, dual-clutch: 13 mpg city, 22 mpg highway, 16 mpg combined
Rated as high as 14/23 mpg city/highway with the 4.2-liter V-8 and dual-clutch transmission, or as low as 12/19 mpg with the 5.2-liter V-10 and manual transmission, the Audi R8 isn't exactly green, even for a car of its performance caliber.
Opting for the new dual-clutch transmission gains as much as 3 mpg city and highway over the alternative six-speed manual gearbox, but that still leaves the R8 trailing significantly behind greener high-performance cars like the Chevrolet Corvette.
Fortunately for convertible fans, there's no gas mileage penalty for picking the Spyder over the coupe; both models score the same across all engine and transmission combinations.
The 2014 Audi R8 isn't the most efficient of cars--or even of supercars--but the payoff is its serious performance capabilities.