Porsche 911 modified by Singer for all-terrain rallying

At the request of a client, Singer, in partnership with 911 rally and motorsport specialist Richard Tuthill, has reimagined the air-cooled 911 as World Rally Championship-inspired, all-terrain competition machines.

Rallying fans will now be able to go off-road racing with a Porsche 911 modified by Singer for all-terrain use. The All-terrain Competition Study has been undertaken by Singer, in partnership with 911 rally specialist Richard Tuthill, in response to the request from their client for modifications to his air-cooled Porsche 911 that would enable the car to compete in off-road racing and to demonstrate all-terrain capabilities.

The client commissioned two machines, one – in Singer’s iconic Parallax White – focused on high-speed desert rallying and a second – in Corsica Red – configured for high-speed, high-grip tarmac events and disciplines.

Modifications developed for the Porsche 911 by Singer include:

  • Off-road competition capability, with events such as the Baja 1000 and Dakar Rally in mind 
  • Increased ride height, suspension travel and overall strength
  • Carbon fibre body panels suited to quick replacement and easy underbody access
  • Permanent AWD
  • A twin-turbo, 3.6litre, air-cooled flat-six with power starting at 450hp.
  • Sequential racing transmission with front, centre and rear limited-slip differentials.

Technical Specifications

  • 1990 Type 964 Porsche 911
  • Core strengthening to monocoque for heavy duty off-road use, carbon fiber body panels and off-road race modifications

Suspension, wheels and brakes

  • Long-travel suspension with twin, 5-way adjustable dampers 
  • Forged aluminium 8×16” wheels with BF Goodrich All-Terrain tyres
  • 4-piston, monobloc steel disc brakes with hydraulic handbrake

Engine and Drivetrain

  • 6litre twin-turbo, air-cooled, Porsche flat-six.
  • Water-to-air intercoolers, with individual-bank charge coolers housed within the plenum and cooled by clamshell-mounted radiator.
  • Tuned for the demands of each event, power starts at 450hp and 420lb ft torque
  • 5-speed sequential dog-box enabling flat-shifting. Manual and paddle-shift capable.
  • Front, centre and rear, mechanical, plated limited-slip differentials.

Additional Specialised Equipment:

  • Long-range fuel tank.
  • Two full-size spare race wheels and tyres in front trunk area and rear storage area.
  • Full FIA specification roll cage.
  • Bespoke competition seats with FIA certification
  • Rehydration system for driver and navigator
  • State-of-the-art GPS race navigation system. 

See more photos on our INSTAGRAM


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