New Porsche 911 Turbo improves fuel economy by 16%
Green Car Congress
MAY 3, 2013
mpg US); these figures apply to both models. Final US EPA label values will be calculated closer to the time the car is on sale in the United States. At speeds up to 50 km/h (31 mph), when the front wheels are turned the system steers the rear wheels in the opposite direction. Engines Fuel Efficiency Vehicle Systems'
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