2005 Porsche 911 Turbo S Cabriolet

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Two turbo compressor

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3,600 cc 3.6 liters horizontal 6 rear engine with 100 mm bore, 76.4 mm stroke, 9.4 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 22 and EPA city (mpg): 15

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Multi-point injection fuel system

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16.6 gallon main premium unleaded fuel tank

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Power: 331 kW , 444 HP SAE @ 5,700 rpm; 457 ft lb , 620 Nm @ 3,500 rpm