2005 Porsche Boxster Cabriolet

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2,687 cc 2.7 liters horizontal 6 mid engine with 85.5 mm bore, 78 mm stroke, 11 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): 28 and EPA city (mpg): 20

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Multi-point injection fuel system

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16.9 gallon main premium unleaded fuel tank

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Power: 176 kW , 240 HP SAE @ 6,400 rpm; 199 ft lb , 270 Nm @ 4,700 rpm