Model evolution / 1939—2026
An interactive data visualization of Porsche evolution from 1939 to 2026, comparing road cars, race cars, model families, engines, power, speed, and production. Data is drawn from the model research collection assembled by Stuttcars.
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The powerplant is a sequential twin-turbocharged DOHC flat-six engine equipped with 4 valves per cylinder, fuel fed by Bosch Motronic 2.1 fuel injection with air-cooled cylinders and water-cooled heads, with a bore x stroke of 95 mm × 67 mm (3.74 in × 2.64 in) for a total displacement of 2,849 cc (173.9 cu in). It was coupled to a unique manual transmission offering five forward speeds plus a off-road gear, as well as reverse. The engine was largely based on the 4-camshaft 24-valve powerplant used in the Porsche 956 and 962 race cars.
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