The Ruf BTR (Gruppe B Turbo RUF) is a sportscar built by Ruf Automobile of Germany, based on the 1983 930 Porsche 911. It was powered by a 3.4 liter, flat-6 turbocharged engine, producing 374 bhp (279 kW). It was coupled to a five-speed transmission, and later a Ruf six-speed transmission.
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