The car has rear-wheel drive using two electric motors placed inside a specially designed "e-axle", and uses carbon brakes.
Estimated driving time on a race track at a GT4 pace is about 25 minutes. The manufacturer claims that this will be sufficient for the car to accelerate from zero to 300 km/h (190 mph) in 9 seconds, as well as reach an estimated top speed above 320 km/h (200 mph). McMurtry has not published mass and power figures, but are confident that the car will weigh below 1000 kg and have a mass to power ratio of at least 746 kW per 1000 kg (1 horsepower per kilogram/2.2 pounds per horsepower).
The car also ran on bespoke drag slicks and was not a production car model. When considering the 1/4 mile time, it's worth noting that the car was electronically limited to a 150 mph top speed for roughly the last 3 seconds of the run. In December 2022, it claimed the record for the quickest accelerating road car using independent GPS timing with the following times without rollout by Mat Watson from carwow on Silverstone: On 26 June 2022, the Spéirling achieved a new Goodwood Festival of Speed hill climb record, completing the 1.87-kilometre (1.16 mi) course in 39.08 seconds with McMurtry test driver Max Chilton behind the wheel. The car had been developed in secrecy over three years. The car was first presented at the Goodwood Festival of Speed on 8–11 July 2021, and driven by Derek Bell. Its unique performance differentiator is the fan powered downforce system, giving 2,000 kg of downforce from 0 mph. It is not currently in a racing series but is built to satisfy relevant motorsport safety requirements, with crash structures and a carbon-fibre monocoque chassis with integral rollover protection. The prototype car is the first step to demonstrate what customers will experience on road and track. History Īccording to McMurtry, the motivation behind the car was to challenge the industry trend of increasingly heavier vehicles and, by using first principles design, create a lightweight electric drivers car. The car is developed by McMurtry Automotive, a British registered startup founded on June 2, 2016, by Sir David McMurtry (co-founder and executive chairman of Renishaw plc). The McMurtry Spéirling is a record breaking electric single-seat prototype car which was first presented at the Goodwood Festival of Speed in 2021.
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