Radical SR9 

  • 2006
  • 530 HP 2.0L
This change was motivated by Peter Elleray who came on board and used his experience designing the LeMans-winning Bentley EXP on the SR9.
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For the 2007 season, Radical made their debut in the American LeMans Series (ALMS) with them Van Der Steur Racing.
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Data points Key details of the Radical SR9


Radical SR9
530 HP
987 HP
GT 86
197 HP


Radical SR9
457 ft-lb
922 ft-lb
GT 86
150 ft-lb

In The News From around the web


Radical SR9

For Radical, he used a completely carbon fibre monocoque that can attach a Judd V8 or an AER Powertec Turbo to the bulkhead, but leaves it unstressed.
The initial concept of the SR9 was a 'value for money' LMP2 car that used Radical's own Powertec RPD 3.0 litre V8, but the company later decided to made proper bespoke racecars that would be individually made for future customers.

Specifications Full list of technical specs


Brand Radical
Year 2006


Drivetrain RWD w/Mechanical Plate LSD
Gearing Traditional
# of gears 6 gears

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc
Front wheels 457/? 279
Rear wheels 457/? 330

power & handling

Power-to-weight ratio 3.22 lb/hp
Maximum hp 530 HP @ 7,500 RPM
Maximum torque 457 ft-lb
Steering system Rack and pinion


Displacement 1,995 cc
Fuels Gas
Valvetrain DOHC
Valves per cylinder 4 valves

physical dimensions

Curb weight 1,709 lb
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