New Porsche 911 Turbo improves fuel economy by 16%
Green Car Congress
MAY 3, 2013
mpg US); these figures apply to both models. 'The 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. Porsche continues to be the only carmaker to offer two turbochargers with variable turbine geometry for a gasoline engine.
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