Audi's diesel-electric supercar is reportedly being developed under the Scorpion codename.

Audi's diesel-electric supercar is reportedly being developed under the Scorpion codename.

Designed to sting Porsche and Ferrari, the Scorpion will be based on the Le Mans winning R18 e-tron Quattro and act as a "rolling showcase" for the brand.

Car & Driver says the car's design hasn't been finalized but there are several proposals on the table. These include a "retro take on the future of racing" as well as a design that closely mimics the R18.

The car is expected to share a carbon-fiber monocoque chassis with the R18, but it will likely need modifications for street use. We can also expect a variety of aluminum components to save weight.

Power will reportedly be provided by a turbocharged 3.7-liter V6 diesel engine that produces approximately 600 bhp (447 kW). It will be backed up by an electric motor that contributes an additional 100 bhp (74 kW) for a combined maximum output of roughly 700 bhp (522 kW). The diesel engine is slated to power the rear wheels, while the electric motor will power the front wheels.

The model could be launched in 2016 or 2017 and cost in excess of $1 million (€764,175 / £652,530). Like the R8 GT, production could to be limited to 333 units.

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