2021 Singer All-terrain Competition Study

At the request of a long-term client, Singer has looked to a golden era of Porsche rallying in the 1980s, and to automotive heroes including the 911 SC/RS and 959, to reimagine his air-cooled 911s as World Rally Championship-inspired, all-terrain competition machines. You can find more visual details of the 2021 Singer All-terrain Competition Study gallery by scrolling up.

Singer’s latest services will enable their clients 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 renowned 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 extensive all-terrain exploration capabilities. To highlight the broad repertoire of the ACS, the client has 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.

Porsche 911s prepared by UK-based off-road competition specialist Richard Tuthill have dominated rally events for decades, with recent victory in the 2019 East African Safari Classic marking a remarkable 4th win in the grueling 5000km event across Kenya and Tanzania. These successes sit alongside deep expertise from the world of WRC competition and events such as the Paris-Dakar.

Modification services developed for the Porsche 911 Reimagined by Singer – All-terrain Competition Study include:

• Off-road competition capability, conceived with events such as the Baja 1000 and Dakar Rally in mind, but suitable for a range of surfaces
• Dramatically increased ride height, suspension travel and overall strength
• Carbon fiber body panels suited to quick replacement and easy underbody access
• Permanent AWD
• A twin-turbocharged, 3.6L, air-cooled flat-six with power starting at 450hp.
• Sequential racing transmission with front, centre and rear limited-slip differentials.

Summary 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 including:

You can find more visual details of the 2021 Singer All-terrain Competition Study gallery by scrolling up.

2021 Singer All-terrain Competition Study Front View

Suspension, wheels and brakes

• Specialised long-travel suspension with twin, 5-way adjustable dampers per corner
• (8 dampers total).
• Forged aluminium 8×16” wheels with BF Goodrich All-Terrain tyres.
• 4-piston, monobloc steel disc brakes with hydraulic handbrake.

Engine

• 6L twin turbo-charged, 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.
• Permanent AWD.
• Front, centre and rear, mechanical, plated limited-slip differentials.

Additional Specialised Equipment:

• Long-range fuel tank.
• 2 x 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. 

You can find more visual details of the 2021 Singer All-terrain Competition Study gallery by scrolling up.

2021 Singer All-terrain Competition Study Rear View 3/4

Wider Availability, Costs and Assembly Details

The commissioning owner has agreed that the results of the All-terrain Competition Study will be available to others who wish to equip their cars with this off-road capability.

As always, each car is approached as a bespoke restoration and Singer’s special wishes personalization approach is available. The price for the restoration services based upon the results of the All-terrain Competition Study will be dependent on the specification chosen by the owner.

The ACS restoration has been undertaken as a collaboration between the two companies. Singer’s Design Office in California has led a joint engineering team with assembly undertaken in the UK at the Tuthill facility in Oxfordshire. Future cars will all be modified at Tuthill’s facilities. Support packages for racing and maintenance will be available.

You can find more visual details of the 2021 Singer All-terrain Competition Study gallery by scrolling up.

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