The Sbarro Monster G was a concept car from 1987.

Proving that extremes did not have to relate to speed alone was this phenomenal all-wheel-drive concoction.

It was not the four-wheel drive but the wheels themselves that impressed: they were taken from a Boeing jet! These made the Monster sit some 7ft 5in (2.3 meters) tall, and the 350bhp Mercedes-Benz 6.9-litre V8 was needed to get those wheels moving.

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