Lamborghini has built the world’s most powerful open-top car

ByJack Brodie

11 May 2026

The Fenomeno Roadster is here — 1,065 horsepower, a naturally aspirated 6.5-litre V12, three electric motors, no roof, and a Blu Cepheus blue livery that pays tribute to the 1968 Miura Roadster. Unveiled at Imola on 9 May. Limited to 15 examples. Priced at around $5.8 million. Already sold out.

There is a very specific formula that Lamborghini has been following for the better part of twenty years, and it goes like this. Take the most extreme V12 flagship currently in production. Remove the roof. Build fewer than thirty of them. Charge an amount of money that requires a different accountant. Watch the world lose its mind. The Lamborghini Fenomeno Roadster, unveiled at the second edition of Lamborghini Arena at Imola on 9 May 2026, is the latest and most powerful execution of this formula — and on paper it is the most extraordinary open-top Lamborghini ever made.

Fifteen examples. A combined output of 1,065 horsepower, making it officially the most powerful open-top Lamborghini in the company’s history. A V12 that revs to 9,250rpm, producing 835 horsepower from the combustion engine alone. Zero to 62 miles per hour in 2.4 seconds. A top speed above 211mph. A price believed to start at approximately $5.8 million, though Lamborghini distributes this information only to the clients it invites to purchase one. All 15 have almost certainly already been spoken for, because that is how this works.

THE POWERTRAIN

The Fenomeno Roadster is Lamborghini’s first open-top car powered by the V12 HPEV hybrid powertrain, meaning it beats both the inevitable Revuelto Roadster and the forthcoming Temerario Spyder to this specific distinction. At the heart of the system is the 6.5-litre naturally aspirated V12, producing 835 CV at 9,250rpm — a specific power output of over 128 CV per litre, the highest figure Lamborghini has ever achieved from a V12 engine. It is a number worth appreciating in context: a Bugatti Chiron makes 127hp per litre and needs four turbochargers to do it. Lamborghini is managing it with air.

Three electric motors work alongside that V12: two at the front axle handling torque vectoring and all-wheel drive contribution, and one positioned above the eight-speed dual-clutch gearbox at the rear. Together they bring the combined total to 1,065 horsepower. A 7kWh lithium-ion battery enables a full electric driving mode for short distances — the kind of detail that feels almost implausible in a car of this specification, but is nonetheless genuine and functional. The braking system uses CCM-R Plus carbon-ceramic discs built from a three-dimensional structure of long carbon fibres in a carbon matrix, used with organic racing brake pads for a high, stable friction coefficient regardless of temperature.

THE AERO SOLUTION

Removing the roof from a car that generates substantial aerodynamic downforce is not a neutral exercise. Without the rear bodywork, airflow management changes fundamentally, and a careless roadster conversion simply loses downforce and gains instability. Lamborghini Centro Stile and the engineering team addressed this with a specific set of solutions. The most visible is a carbon fibre spoiler on the trailing edge of the windscreen frame, embossed with the Fenomeno Roadster name, which redirects air over the open cockpit and into the engine bay, maintaining cooling. The engine cover was revised to work with this altered airflow pattern. The rollover protection bars behind the seats are integrated into elevated fairing humps that simultaneously protect occupants and reduce turbulence and wind noise at speed. The result, confirmed by Lamborghini, is comparable downforce and aerodynamic stability to the Fenomeno coupe.

The chassis uses a new patented construction combining long and short carbon fibre strands with a proprietary fluid mixture — technology that appears on a production Lamborghini for the first time here, improving structural rigidity and collision energy absorption simultaneously. This matters rather more in an open car doing 211mph than it would in a conventional application.

DESIGN AND HERITAGE

The launch specification presents the car in Blu Cepheus on the upper body with Rosso Mars red on the lower half and accent details — a tribute, Lamborghini states, to the flag of Bologna on one hand and to the 1968 Miura Roadster on the other. The Miura Roadster was the first open-top Lamborghini ever made, shown as a concept at the 1968 Brussels Motor Show, and the Fenomeno Roadster’s blue hue is a direct visual acknowledgement of that car. It is the kind of heritage reference that functions as both genuine emotional continuity and extremely effective communication of lineage.

Visually, the Fenomeno Roadster carries forward the coupe’s triangular headlamps, Y-shaped taillights, and hexagonal exhaust finisher. The unique centre-lock wheels are unchanged. The interior follows the Revuelto’s architecture closely: portrait-oriented central touchscreen, three screens presenting data in hexagonal graphics that echo the exterior design language, aviation-style toggle switches and haptic controls throughout. Every interior surface is carbon fibre and bespoke textile. Bridgestone developed specific Potenza tyres: 265/30 ZRF21 front, 355/25 ZRF22 rear, available in either ultra-high-performance street compound or road-legal semi-slick specification.

THE FEW-OFF LINEAGE

The Fenomeno Roadster is the fifth open-top Few-Off in Lamborghini’s modern era, following a line that began with the Reventón Roadster and has grown progressively more extreme and more expensive with each iteration. It is the first of these cars to use the full V12 HPEV hybrid drivetrain, making it the most technically advanced in the series. At 15 examples it matches the Reventón Roadster’s production figure, making it jointly the rarest of the group alongside that car. Given the value trajectories of every preceding Few-Off Roadster at auction, the fifteen people who have purchased one will almost certainly find this was among the more sensible financial decisions they have ever made.


The Lamborghini Fenomeno Roadster is not a complicated car to evaluate. It is the most powerful open-top Lamborghini ever built. It is one of fifteen examples in existence. Its V12 produces 128 horsepower per litre without a turbocharger, revs to 9,250rpm, and is accompanied by three electric motors bringing the total to 1,065 horsepower. It does 0–62mph in 2.4 seconds without a roof above you. Its Blu Cepheus and Rosso Mars livery honours sixty years of open-top Lamborghini history. It costs approximately $5.8 million and is already sold. The next open-top Few-Off will cost more, be rarer, and be faster. Until then, this is the most extraordinary open-top car in existence. Enjoy watching it while it holds the title.