Lamborghini Sián Roadster

This is open-top motoring at it's finest, a true Barchetta from Sant'Agata

Lamborghini sián roadster - guide - lamborghini sián fkp 37
Lamborghini sián roadster
19 units
6.5 L Nat Aspirated V12 + 48-volt e-motor
808 bhp @ 8,500 rpm
531 ft lbs @ 6,750 rpm
0 - 60 mph
2.8 seconds
Top Speed
210 mph

I’ve been talking about it ever since the Lamborghini Sian was introduced as a coupe back in September 2019 at the IAA in Frankfurt they have to be doing a Roadster version of this hybrid Lamborghini too and nearly an entire year later Automobili Lamborghini SpA released just that, the Lamborghini Sian Roadster (no more FKP37 designation on the open-top version).

You might also have seen the many renders I made on how I thought the Sian Roadster would look, and to be honest the actual production version does look very close indeed, and this didn’t come as a surprise: there is no roof on the Sian Roadster.

Just like the Aventador Jthe Veneno Roadster and, the Centenario Roadster the latest limited edition, or few-off as Lamborghini calls it, doesn’t have any roof designed for it, this is open-top motoring at it’s finest, a true Barchetta from Sant’Agata and frankly, I like it a lot more than the coupe, but that might just be my love for convertibles in general.


To avoid turbulence at high speed, there are side windows on the Lamborghini Sian Roadster, and while they are full size at the front, they dip down considerably when they reach the end of the door, which naturally opens to the sky like all Lamborghini flagship V12 models, and the Sian, despite being a hybrid model, comes with the famous 6.5-liter V12 engine derived from the Aventador, power output is now up to 785 hp, add the 34 hp hybrid electric motor and the Sian Roadster puts down a total of 819 hp, the same as the coupe version by the way.

Top speed for this roofless supercar is over 350 km/h while acceleration from 0 to 100 km/h is completed in less than 2.9 seconds, using the supercapacitor to store energy, the latter is charged every time the Sian Roadster brakes, the additional power is immediately available for increased torque at speeds over 130 km/h the electric motor does disconnect and the V12 flies solo the rest of the acceleration.

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Lamborghini Sián Roadster Interior & Exterior Design

The exterior design is inspired by the Countach, a classic Lamborghini model, blending sharp lines and aerodynamic elegance to create an unmistakable silhouette. The body of the car is entirely composed of carbon fiber, contributing to its breath-taking appearance. Additionally, it features an electrochromic roof and moving surfaces controlled by smart materials, sculpted with innovative lines. The Sián Roadster was debuted in a color called Blu Uranus, which was specially selected by Lamborghini’s Centro Stile.

The interior design of the Sián Roadster is based on the Aventador’s interior, but it has been upgraded with several unique features. The interior makes use of sophisticated aluminum details painted in Oro Electrum (gold), a color Lamborghini has chosen to identify its hybrid cars. The Sián’s interior also introduces a new vertical touchscreen, which is set above the center console. Additionally, the center console has been tidied up and features a portrait touchscreen first seen in the Huracán Evo. The interior also sees the use of 3D printed parts for the first time, and the leather upholstery has been done by Poltrona Frau, a renowned Italian furniture company.


Rumor has it the Lamborghini Sian FKP37 and this new Sian Roadster are both listed at an MSRP of $3,600,000 to $3,700,000 same price for the coupe and roadster, and while they will build 63 coupes, production on the Roadster is limited to only 19 units both production numbers adding up to 1963, the year the company was founded the official press release states all 19 are already sold.

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While most of us will never be able to buy one of these Lamborghini Sian Roadsters, this doesn’t mean you can’t have fun to create your bespoke one virtually in our new LamboCONFIG configurator.

Lamborghini Sián Roadster Specification

Specification Details
Displacement 6,498 cm³ (396.5 cu in)
Maximum Power 819 CV (602 kW) @ 8,500 rpm
Engine Type 6.5-liter V12 engine and a 48-volt electric motor
Total Power Output 807 hp
Acceleration (0-100 km/h) 2.8 seconds
Top Speed >350 km/h (217 mph)
Number of Cylinders 12
Transmission Electronically controlled all-wheel drive system (Haldex gen. IV) with rear mechanical self-locking differential
Length 196 inches
Wheelbase 106.3 inches
Hybrid Technology Supercapacitor in a hybrid solution
Power Output (V12 Engine) 774 bhp (785 PS/577 kW) @ 8,500 rpm
Torque Output (V12 Engine) 720 Nm (531 lbft/73.4 kgm) @ 6,750 rpm
Lubrication System Dry sump-type