Porsche 911 Turbo Prototype 

  • built in Germany
  • 1973
  • 3.0L
It also was fitted with a very rare badge on the engine cover from Style Porsche.
by www.supercars.net
Ironically, when the car debuted as the new Turbo at the 1973 Paris Motor Show, it didn't even have a functioning turbocharged engine.
by www.supercars.net

Data points Key details of the Porsche 911 Turbo Prototype

Number built

911 Turbo Prototype
1 car
300 cars

Engine size

911 Turbo Prototype
2,993 cc
7,993 cc
Corvette Z06
7,011 cc

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Porsche 911 Turbo Prototype

Their 917/10 and 917/30 racecars achieved incredible amounts of horsepower, reaching 1100 bhp and beyond, with exhaust-driven turbochargers.
By January of 1973 they had experimented with a turbocharged version of the 2.7-litre engine.1 To signal their upcoming intentions, Chief Engineer Helmuth Bott created the new Turbo at Style Porsche.

Specifications Full list of technical specs


Brand Porsche
Type of car Concept car
Year 1973
Number built 1 car


Displacement 2,993 cc
Cylinders Flat 6
Fuels Gas
Compression ratio 10.5:1
Bore/stroke 3.7 in / 2.8 in
Valvetrain Single overhead camshaft (SOHC)
Valves per cylinder 2 valves

physical dimensions

Curb weight 1,985 lb

power & handling

Steering system Rack and pinion


Drivetrain RWD
Gearing Traditional
# of gears 5 gears

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc
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