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The Aston Martin Valkyrie will pack a massive, naturally aspirated 6.5-liter V12 under its engine cover.

The twelve-cylinder engine was designed by the British engineering experts at Cosworth and is loosely based on the design of its 2.4-liter Formula 1 V8 that was used in competition from 2010 to 2013. We’ve been curious what the engine will sound like since we first heard about it, and now we finally have an answer.

Aston Martin CEO Andy Palmer recently tweeted out a sound clip of the engine. The twelve-cylinder, which could be on an engine dyno, sounds almost like a 1990s era Formula 1 V12. The high-pitched engine also revs fast, with the RPM levels jumping around quite quickly in the sound clip. Rumors indicate the V12 will have a redline of 11,000 RPM too.

In a now-deleted tweet, Cosworth revealed the V12 would make over 1,000 hp in the production-ready Valkyrie.

“We’re famous for breaking records and our latest engine, the Aston Martin Valkyrie 6.5-litre V-12, will be the world’s most powerful naturally aspirated road engine with 1,130 bhp,” the tweet said.

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That 1,000+ hp figure is especially impressive when you consider that the Valkyrie will also feature a hybrid system for even more power. The car will also tip the scales at just 2,271 lbs – less than a 2019 Mazda Miata. Aston’s first true hypercar will also have aerodynamics and bodywork designed by Red Bull Racing’s chief aerodynamicist Adrian Newey.

Deliveries of the Aston Martin Valkyrie are expected to commence in 2020.

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