Porsche 918 Spyder Hybrid Concept

9 Mar 2010 | 1,808 views | No Comment
Holy Hybrids! Porsche just unveiled its 918 Spyder concept, described by the car maker as an “an ultra-efficient, low-emission, mid-engine super sports car featuring hybrid and electric drive technology.” The sleek sportster gets about 78 miles per gallon while still having a top speed of 198 miles per hour. Moreover, the 918 Spyder concept hit the Nurburgring and did a lap in less than 7.30 minutes, a time that beats the Porsche Carrera GT. The 918  Spyder concept is one of three Porsche models with hybrid power systems that are making their debut at the Geneva Motor Show. The others are the new Cayenne S Hybrid SUV with parallel hybrid drive, and the 911 GT3 R Hybrid race car with electric drive on the front axle and a flywheel mass battery. Power for the 918 Spyder Concept comes from a V-8 engine producing over 500 horsepower, as well as electric motors on the front and rear axles that have an output of 218 horsepower. The car uses Porsche’s well regarded PDK transmission, which feeds the power of the electric drive system to the rear axle. The front-wheel electric drive powers the wheels through a fixed transmission ratio. The car is designed as a plug-in hybrid vehicle. To add to the driving fun, the 918 Spyder Concept has four driving modes from which to choose, using a button on the steering wheel. The E-Drive mode is for running the car under electric power alone, with a range of 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 Sport Hybrid mode uses both drive systems, but with the focus on performance. Most of the drive power goes to the rear wheels, with Torque Vectoring serving to additionally improve the car’s driving dynamics. In the Race Hybrid mode, Porsche says, “ the drive systems are focused on pure performance with the highest standard of driving dynamics on the track, running at the limit to their power and dynamic output. With the battery sufficiently charged, a push-to-pass button feeds in additional electrical power (E-Boost), when overtaking or for even better performance.”

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