Throughout the years, Porsche has been innovating and improving their automotive formula in an effort to create some of the finest vehicles on the road today. This effort has created prototypes of all shapes and sizes, with some falling flat and some going on to become best-sellers. On Porsche’s website, they unveiled a few prototypes that are housed in their secret warehouse. These cars can be found below, along with their respective specs. For more information about them, please visit Porsche.com.
Porsche 924

Years: 1976/77
Engine: Four-cylinder turbo
Displacement: 1,984 cc
Power: 184 kW (250 hp)
Weight empty: 980 kg
Top track speed: 280 km/h
Porsche 984

Years: 1984 to 1987
Engine: Four-cylinder boxer
Displacement: 1,984 cc
Power: 99 kW (135 hp)
Weight empty: 880 kg
Top track speed: 220 km/h
Concept Car Type 995

Years: 1978 to 1979
Engine: V8
Displacement: 3,000 cc
Power: 96 kW (130 hp)
Weight empty: 1,290 kg
Top track speed: 200 km/h
Porsche 959

Years: 1982
Engine: Six-cylinder boxer bi-turbo
Displacement: 2,849 cc
Power: 331 kW (450 hp)
Weight empty: 1,450 kg
Top track speed: 315 km/h
Porsche 989

Years: 1991
Engine: V8
Displacement: 4,200 cc
Power: 257 kW (350 hp)
Weight empty: 1,572 kg
Top track speed: 279 km/h
(Source: Porsche)