[Updated Photo Gallery] Porsche just released a new, mid-engined conceptual bomb on the EPA via Geneva. The 918 Spyder, a plug-in concept with claimed emissions of 70g CO2/km, is said to provide the Marty McFly's kids with a fuel economy of 78 mpg US (3L / 100 km) while lapping the 'Ring in 7:30, hitting 100km/h in 3.2 seconds, and peaking at 320 km/h (198 mph). That's supposed to get you hooked.
Its engine is a 9,200 RPM-reaching, 500-horse out-putting, 3.4 liter-displacing V8 which is electro-enhanced by way of motors that supposedly add another 160 kW (218 hp).
All-wheel-power hits the ground via a 7-speed PDK, energy is stored in a liquid-cooled lithium-ion battery behind the passenger, the brakes are regenerative, and the carbon-fiberized plastic body panels keep weight around 1,490 kilos (3,285 lbs). But you say you want variety?
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