The 918′s engine like its design is a work of pure genius. A 3.4-liter V8 petrol burner is combined with electric motors to put out 500bhp, while featuring the mind-altering acceleration to go from a standing start to 62mph in just 3.2 seconds. Topping out at of 320 km/h (198 mph), and a lap time on the Nordschleife of Nürburgring in less than 7:30 minutes, faster than even the Porsche Carrera GT, while on the other hand offering a very respectable 78mpg fuel economy. The energy reservoir is a fluid-cooled lithium-ion battery positioned behind the passenger cell. The big advantage of a plug-in hybrid is that the battery can be charged on the regular electrical network. A further point is that the car’s kinetic energy is converted into electrical energy fed into the battery when applying the brakes, thus providing additional energy for fast and dynamic acceleration. A button on the steering wheel allows the driver to choose among four different running modes: The E-Drive mode is for running the car under electric power alone, with a range of up to 25 km or 16 miles. In the Hybrid mode the 918 Spyder uses both the electric motors and the combustion engine as a function of driving conditions and requirements, offering a range from particularly fuel-efficient all the way to extra-powerful. The 918 Spyder is one of three Porsche models with hybrid drive that made their world debut at the 2010 Geneva Motor Show this week. This trio – made up of Porsche’s new Cayenne S Hybrid SUV with parallel full-hybrid drive, the 911 GT3 R Hybrid racing car with electric drive on the front axle and a flywheel mass battery, and the two-seater high-performance 918 Spyder mid-engined sports car with plug-in hybrid – clearly demonstrates not only the great bandwidth of this new drive technology, but also the innovative power of Porsche as a genuine pioneer in hybrid drive.

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Source: Porsche AG