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"Clean-sheet design": 2025 Lamborghini Huracan replacement's new V8 engine will be a twin-turbo hybrid developed by Lambo to outperform the V10

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The Huracan’s successor will debut this year.
The Huracan’s successor will debut this year.

After a Lamborghini executive spilled some beans in an interview early this month, the Sant’Agata Bolognese brand has confirmed details of its upcoming V8 engine that will power the successor to its Huracan supercar.

The Lamborghini Huracan’s replacement, currently called the Lamborghini 634, is set to debut a first for its lineage – a twin-turbo V8 with hybrid assistance.

Touted as an “all-new”, “clean-sheet design” engine, the 4.0-litre twin-turbo V8 is set to “surpass those of the current Huracán range”, with outputs of 588kW and 730Nm from the engine alone, according to Lamborghini’s press materials.

The V8 will, unusually for a forced-induction road-going engine, rev to 10,000rpm, just past the 9000-9750rpm peak for its power delivery.

Helping that engine will be three electric motors and the eight-speed dual-clutch gearbox that made their debut on the Lamborghini Revuelto.

Its hybrid system alone will be capable of generating 110kW and 300Nm, while “keeping compact dimensions and low weight”.

Lamborghini adds the V8 will have a flat-plane crankshaft, a feature of which is a more ‘race car’ sound to its high-revs.

Lamborghini says the engine is all-new.
Lamborghini says the engine is all-new.

Lamborghini's Chief Marketing and Sales Officer Federico Foschini told Autocar early this month the move to plug-in hybrid is is taking place because the “package itself is much better than a normal ICE car”.

By going plug-in hybrid, the Huracan's successor will join the club established by the McLaren Artura and Ferrari 296 GTB, both of which use electric assistance to boost their V6 petrol engines.

Lamborghini says the engine is all-new, through it’s possible the brand has taken at least some learning from the Volkswagen-group 4.0-litre twin-turbo V8 unit used in the Urus SE, or even from sibling brand Bentley’s new ‘Ultra Performance Hybrid powertrain’ – itself a plug-in hybrid-assisted V8 engine.

Chris Thompson
Racing video games, car-spotting on road trips, and helping wash the family VL Calais Turbo as a kid were all early indicators that an interest in cars would stay present in Chris’ life, but loading up his 1990 VW Golf GTI Mk2 and moving from hometown Brisbane to work in automotive publishing in Melbourne ensured cars would be a constant. With a few years as MOTOR Magazine’s first digital journalist under his belt, followed by a stint as a staff journalist for Wheels Magazine, Chris’ career already speaks to a passion for anything with four wheels, especially the 1989 Mazda MX-5 he currently owns. From spending entire weeks dissecting the dynamic abilities of sports cars to weighing up the practical options for car buyers from all walks of life, Chris’ love for writing and talking about cars means if you’ve got a motoring question, he can give you an answer.
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