Porsche 550 Prototype Coupé 

  • built in Germany
  • 1953
  • 78 HP 1.5L
  • 124 mph
 
Motivated by the Porsche-based Glöckler specials which used a reversed 356 engine, the Porsche engineers at Zuffenhausen realized that a mid-engine layout was key to future success.
by www.supercars.net
For LeMans, the first 550 and a second car were fitted with a coupe body designed by Erwin Komenda.
by www.supercars.net

Road Tests Real world tests of the Porsche 550 Prototype Coupé

Top speed

550 Prototype Coupé
124 mph
Agera R
260 mph
Veyron
253 mph

Data points Key details of the Porsche 550 Prototype Coupé

Number built

550 Prototype Coupé
2 cars
Veyron
300 cars
Veneno
4 cars

Horsepower

550 Prototype Coupé
78 HP
Agera R
1,115 HP
Veyron
987 HP

In The News From around the web

10
Dec

Porsche 550 Prototype Coupé

www.supercars.net
Competition prepared 356s had already achieved moderate success at the top level of motor sports, so a new design was welcome.
The first protype used a 356 1500 Super engine that was positioned between the driver and rear axle.

Specifications Full list of technical specs

general

Brand Porsche
Type of car Race car
Year 1953
Number built 2 cars

transmission

Drivetrain RWD
Gearing Traditional
# of gears 4 gears

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc

physical dimensions

Curb weight 1,213 lb
Front track width 50.8 in
Wheelbase 82.7 in

road tests

Top speed 124 mph

power & handling

Power-to-weight ratio 15.55 lb/hp
Maximum hp 78 HP
Steering system Rack and pinion

engine

Displacement 1,488 cc
Cylinders Flat 4
Air compressor None
Fuels Gas
Compression ratio 9:1
Bore/stroke 3.31 in / 2.91 in
Valves per cylinder 2 valves
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