Ultra-rare Porsche racer heads to auction

A limited-run Porsche race car is set to go under the hammer when it heads to auction next month.

The 1974 911 Carrera RSR 2.1 Turbo is one of just four units ever produced, and is accompanied by a vast amount of racing heritage.

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Powered by a turbocharged 2.1-litre flat six engine, the RSR produced over 500bhp, while its chassis benefitted from cutting-edge technology borne from Porsche's prototype racing cars. The bodywork was made primarily of fibreglass for lower weight, while an aluminium roll cage was fitted alongside turbo pressure gauges and an adjustable boost knob.

This particular car, chassis number R13, made its debut at the 1974 24 Hours of Le Mans where it finished in second place – despite losing mechanical issues causing it to lose fifth gear part way through the race.

From there, it travelled the world for the FIA World Championship for Makes, after which it was sold to a dealer in California who frequently loaned the car out to be raced.

The car's most recent owner, John Kotts, has kept the RSR in his stable of Porsche race cars since 2007. Other notable vehicles owned by Kotts include the first 935 ever made and a RS60.

Given the car's extensive history and prestige, it's unsurprisingly accompanied by a formidable estimate of between $6 and $8 million (circa £4.2 to £5.7 million). It's likely that the car will come close to the upper estimate thanks to its limited nature and good condition.

The RSR will be heading under the hammer at the Gooding and Company Amelia Island Auction on March 9.

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