The Sbarro Challenge was a concept car from 1985.

It came close to being a mass-production car. This uncompromising wedge-shaped car, first seen in 1985, looked like a slice of Gruyere cheese and was claimed to have a Cd figure of just 0.25.

The doors folded forward for entry. Initially the Challenge was offered with a twin-turbo Mercedes V8 engine, but later cars had Porsche engines mounted in the rear. All were capable of storming speeds, it was claimed they could reach up to 180mph (290km/h).

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