The video gives us some tantalizing scenes and sounds as Porsche engineers work on the three rolling chassis in the garage.

Goodwill ambassador for Sport Auto magazine, Christian Gebhardt, has sent us his latest video, and this time for the Porsche 918 Spyder prototype which we recently reported. Gebhardt was part of the select group of journalists invited by Porsche to take a first look at the soon to be hybrid supercar at the Nardo Test Track.

Gebhardt gives us some tantalizing scenes and sounds as Porsche engineers work on the three rolling chassis in the garage. Then we're treated to some driving scenes which starts with the 918 taking off in electric mode completely silent.

As previously reported, the production version Porsche 918 Spyder is planned to be unveiled at the Frankfurt Motor Show in 2013. For combustion power it uses a 4.6-liter V8 engine sourced from the ALMS LMP2 RS Spyder producing 570 hp (425 kW / 578 PS). For electric power a 6.8 kWh battery runs two motors, one in the seven-speed transmission and the second on the front axle develop 121 hp (90 kW / 122 PS) and 107 hp (80 kW / 109 PS) respectively for a combined max output of 770 hp (574 kW / 710 PS) and 553 lb-ft (749 Nm) of torque. An overboost function increases torque to 700 lb-ft (948 Nm). The prototype can run from 0-60 mph in less than three seconds and hit a top speed of 202 mph (325 km/h).

With a target curb weight of approximately 3,700 pounds (1,678 kg), the 918 uses a carbon fiber and aluminum body structure that weighs just 485 pounds (220 kg).

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