We have exclusive new details about the Porsche 918 Spyder as an anonymous tipster has provided us some internal dealership material.

While most of the information has already been announced, the document seems to indicate that the plug-in hybrid supercar will be available in four colors (Carrara White, Black, Platinum Silver Metallic, and Basalt Black) with a black interior. That's a limited selection, but Porsche is considering additional options to the color palette.

As expected, motivation will be provided by a V8 engine that displaces more than 4.0-liters and produces upwards of 500 PS (368 kW / 493 bhp). It will be supported by two electric motors that develop at least 218 PS (160 kW / 215 bhp). The powertrain will be connected to a seven-speed PDK transmission which will enable the 918 to accelerate from 0-60 mph in under 3.1 seconds, hit a top speed in excess of 199 mph (320 km/h), and lap the Nürburgring in less than 7 minutes and 30 seconds.

More interestingly, the car will have four operating modes (E-Power, Hybrid, Sport Hybrid, Race Hybrid) that are selected via a switch on the steering wheel. E-power maximizes fuel efficiency by calling on the electric motors to provide power. With a fully charged battery, Porsche estimates the 918 will be able to travel more than 16 miles (25 km) on electricity alone.

On the other hand, Hybrid mode is suggested for most driving situations and utilizes both the petrol engine and the electric motors.

Hybrid Sport is designed for adventurous driving on back country roads as it configures the powertrain to maximize performance by enabling a rear torque bias.

Lastly, Race Hybrid is like Hybrid Sport on steroids. It is designed for track use and provides "uncompromised control of the entire drive system at the absolute limits of performance."

In terms of handling, the 918 will feature a double wishbone suspension all around with Porsche Active Suspension Management (PASM) and Porsche Toque Vectoring Plus (PTV Plus). The latter system operates through an electronically-controlled locking differential to optimize torque output at the rear wheels when cornering.

Scheduled to go into production in September 2013, the Porsche 918 Spyder will be priced from $845,000 in the United States and €645,000 in Europe.



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