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Lamborghini Sián: World Premiere

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Nineteen buyers already own it, and Lamborghini hasn’t even built the last one yet.

On July 8, 2020, Automobili Lamborghini pulled the cover off the Sián Roadster in a dedicated online presentation, the open-top follow-up to the Sián FKP 37 coupé that debuted in 2019. The company didn’t wait to gauge demand — every one of the 19 planned units was confirmed sold before the car was even shown to the public. This is the open-air version of Lamborghini’s first hybrid production car, and it’s built to be the fastest, most powerful road car the Sant’Agata factory has ever produced.

• All 19 examples of the Sián Roadster were sold out before the official reveal on July 8, 2020.
• The hybrid powertrain combines a 785 hp naturally aspirated 6.5-liter V12 with a 34 hp e-motor for a combined 819 hp, hitting 0-100 km/h in under 2.9 seconds and a claimed top speed beyond 350 km/h (217 mph).
• Instead of a lithium-ion battery, the car uses a 34 kg supercapacitor mounted between the cockpit and engine bay — three times lighter than an equivalent battery and three times more powerful for its weight.

The Powertrain Nobody Else Is Running

The heart of the Sián Roadster is an uprated version of Lamborghini’s 6.5-liter V12, now fitted with titanium intake valves and tuned to produce 785 hp (774 bhp / 577 kW) at 8,500 rpm. Bolted directly into the transmission is a 48-volt e-motor rated at 34 hp (34 CV / 25 kW), pushing the combined system output to 819 hp (808 bhp / 602 kW). That e-motor isn’t there for a badge on the fender — it fills in torque during gearshifts so the power delivery never dips, and it’s strong enough to handle low-speed, zero-emission crawling in a parking garage.

What separates the Sián’s hybrid system from anything else on the road is the energy storage. Lamborghini skipped the lithium-ion battery entirely and went with a proprietary supercapacitor, packaged between the cockpit and the engine compartment. At just 34 kg, the unit is three times lighter than a battery producing the same output and three times more powerful than a battery of equal weight, landing at a 1.0 kg/CV weight-to-power ratio.

All 19 units of the Sián Roadster were sold out before the car was ever publicly revealed.

Performance Numbers That Match the Hype

With 819 hp routed through the combined V12-electric setup, the Sián Roadster gets to 100 km/h (62 mph) in under 2.9 seconds and is electronically limited to a claimed top speed north of 350 km/h (217 mph). Those figures put it at the top of Lamborghini’s current production lineup, ahead of anything else currently rolling out of the factory — a fitting cap for the brand’s first-ever hybrid road car, following the same formula that made the closed-roof Sián FKP 37 an instant sellout the year before.

Styling Pulled Straight From the Countach

Lamborghini leaned hard on its own history for the Sián’s shape, borrowing directly from the Countach with Y-shaped headlights and hexagonal taillights. The rear deck carries active cooling vanes that rotate on their own, driven by smart-material technology that reacts to exhaust heat rather than a motor or sensor package. The reveal car wore Blu Uranus paint with Oro Electrum — electric gold — wheels, while the cabin mixed white and Blu Glauco upholstery.

Inside, the air conditioning vents are 3D-printed, and through Lamborghini’s Ad Personam customization program, each owner can have their initials worked directly into the vent design — a level of bespoke detail that lines up with what Lamborghini has been pushing across its personalization catalog, not unlike the kind of tailored cabin work you’d see on the rear seat of a top-spec S-Class, just dialed up for a car that costs several times as much.

An Ultra-Limited Run in a Crowded Field of Reveals

Nineteen cars is a tiny number even by hypercar standards, and Lamborghini structured the entire launch around that scarcity — no waiting list drama, no public order period, just a sold-out roster announced at the reveal. It’s the same playbook automakers and vehicle startups have leaned on lately when unveiling headline-grabbing machines, similar in spirit to how outfits like the one behind the Jetson One launch built buzz around a strictly capped production number before the first unit ever left the shop floor.

For Lamborghini, the Sián Roadster isn’t a volume play — it’s a rolling demonstration of where the V12 goes next as electrification creeps into every corner of the supercar segment. Nineteen owners will get to drive that statement; everyone else just gets to watch the cooling vanes rotate.