The new Porsche 911 Turbo and Turbo S have been revealed and go on sale today. Sitting at the top of the revised 911 range, they will be officially unveiled at the Detroit Auto Show in January.



Both cars will be available in coupe and cabriolet body styles, and thanks to revisions to the twin-turbocharged 3.8-litre engine, they are both more powerful and more efficient than the previous models.



The Turbo now has 533bhp, while the Turbo S has 572, and that translates into a 0-62mph time of 2.9 and 3.0 seconds in coupe versions of the Turbo S and Turbo, respectively. At the same time, Porsche has also improved both the maximum speeds and fuel economy of both cars: the Turbo S, for example, tops out at 205mph and averages 31.0mpg.





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