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2012 Infiniti G37 Coupe Fuel Economy

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The 2012 Nissan G37 Coupe and Convertible aren't at all impressive for gas mileage--but then again, it isn't a priority for many two-door performance-car shoppers.

With EPA fuel economy figures of up to 19 mpg city, 27 highway, the 2012 Nissan G37 Coupe is less efficient than the typical mid-size V-6 sedan; but in all fairness, it's about the same on gas as six-cylinder luxury sports cars like the BMW Z4 and Porsche Boxster. With turbocharged four-cylinders on offer for the new Z4 and SLK, though, this class is becoming more fuel-efficient and green; Infiniti offers a G25 sedan, with a lower-output engine that gets about 2 mpg more, but it's sticking to its guns and only offering the higher-output engine in Coupes and Convertibles.

The 2012 Infiniti G37 Coupe isn't as fuel-efficient as some other models in this class; and Convertibles are particularly thirsty.

The extra weight of the G37 Convertible also drags gas mileage down compared to the Coupe; the drop-tops average about 1 mpg lower with either transmission--for ratings as low as 16 mpg city, 24 highway.

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