The flagship Porsche supercar is built around a carbon fibre-reinforced plastic monocoque and features a plug-in hybrid drivetrain that comprises of a V8 gasoline engine with a displacement exceeding four liters and output of more than 500HP plus two electric motors – one each on the front and rear axle – with a joint output of at least 218HP. The V8 engine transfers its power to the rear wheels through a seven-speed dual clutch transmission. The electric motors are fed via a liquid-cooled lithium-ion battery that can be charged from a conventional domestic power socket, delivering a range in excess of 25 km (16 miles) in the NEDC on purely electric power. Porsche said the charging time depends on the country-specific mains network, being approximately three hours in Germany. The automaker added that a quick charging option is planned to reduce charging time yet further.
According to Porsche, the 918 Spyder’s combined total fuel consumption in the European driving cycle is estimated at 3.0 lt/100 km (94 mpg UK / 78.4 mpg US.), equating to CO2 emissions of 70 g/km (112 g/mile). Porsche said official EPA fuel economy figures for the US model will be announced just before the first customer cars begin arriving near the end of 2013. The 918 Spyder can accelerate from 0 to 100 km/h (62 mph) in 3.2 seconds and reach a top speed of more than 320 km/h (199 mph). Porsche said the Spyder will be able to manage a lap of the Nürburgring in “less than seven minutes and 30 seconds”, compared to the Carrera GT which needs seven minutes and 32 seconds. The top speed on purely electric power is 150 km/h (94 mph).
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