Danish hypercar manufacturer Zenvo has revealed what they are calling ‘Mjølner’, a 6.6-litre quad-turbo V12 hybrid powertrain. Capable of producing up to 1,850bhp, it’s the most powerful V12 engine ever fitted to a road-legal car.
Mjølner will be part of Zenvo’s upcoming Aurora hypercar, currently deep in development. While the V12 alone delivers 1,250bhp, an electric hybrid system boosts total output by another 600bhp.
The engine was co-developed with MAHLE Powertrain and assembled in Northampton, UK, and marks the debut of Zenvo’s new modular engine platform, designed for flexibility in future models.
Despite its incredible performance potential, this engine has been built from the ground up for road use and even meets current and future global emissions standards. It also features MAHLE’s Jet Ignition system, a key enabler for low-emission operation.
“A key part of the Aurora programme is around delivering an emotional connection for drivers and passengers, designed to stimulate the senses. Sound and visceral drama is what Aurora will be all about, and the engine is a vital element in this, which we will turn up to 11. At Zenvo, we are a team of
Jens Sverdrup, Zenvo
passionate, genuine ‘car guys’, and it is not every day that a V12 engine is born, so it is very proud moment and very exciting to finally showcase Mjølner. The fact it is the world’s most powerful roadcar engine was not something we set out to achieve, but is a result of us pushing what we know is possible. This is a hugely important milestone, and the next step will see – and hear! – it come to life, and it has been designed to deliver at every level, which shows the progress we continue to make.”
Automotive, Chairman
The Mjølner-powered Aurora will be available in two versions: the track-focused Agil and the grand tourer-inspired Tur. Production is strictly limited, and each car will be hand-built in Denmark, with first deliveries expected in late 2026.
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