Aston Martin has released the first audio clip of the 1130bhp, naturally aspirated 6.3-litre Cosworth V12 engine that will power its Valkyrie hypercar.
Company boss Andy Palmer issued a tweet containing an audio clip of the engine, which will make the Valkyrie the world’s most powerful naturally aspirated road car. Palmer described it as "the sound of 'THE' GREAT British car company'. It is likely to be the engine running on a dyno at Cosworth.
— Andy Palmer (@AndyatAston) October 3, 2018
Technical details of the engine were briefly tweeted by Cosworth in August. Although that post was removed shortly afterwards, it was spotted by Road and Track. This power figure puts it well in excess of the 992bhp minimum that Mercedes-AMG claims for the Project One hypercar, as well as the less hardcore McLaren Senna. McLaren's upcoming Speedtail three-seater is likely to be a near match for the Valkyrie's power output, although that car won't chase track performance, but is pitched instead as an 'all-rounder' hypercar.
The Valkyrie will use a Formula 1-inspired energy recovery system (ERS) to harvest kinetic energy from braking, with Croatian electric car maker Rimac supplying lightweight hybrid batteries. Cosworth's tweet suggests that, with this ERS, the car's total power figure could exceed 1130bhp.
The Valkyrie was last shown in its most production-ready form yet in a promotional shot with tennis player Serena Williams, with headlights on the car for the first time.