The improvements made to the car allow it to achieve a 0-100 km/h (62 mph) acceleration time of 2.8 seconds and allow it to attain an electronically limited top speed of 350 km/h (217 mph) but the official top speed is yet to be confirmed. The motor supports low-speed maneuvers such as parking and reversing. The electric motor counters the effect of deceleration and provides a power boost to the driver at speeds up to 130 km/h (81 mph). A regenerative braking system helps generate enough energy to recharge the supercapacitors. The unit installed in the car is an evolution of the Aventador's starter motor and can store ten times more power than the unit it is based on. Supercapacitors were chosen due to their ability to store three times the power of a conventional lithium-ion battery of the same capacity. The supercapacitor unit is integrated with the electric motor into the gearbox in order for better weight distribution. The power for the electric motor is stored in a supercapacitor unit instead of conventional lithium-ion batteries. The engine is mated to a seven-speed automated manual transmission and the car employs an electronically controlled all-wheel-drive system with a rear mechanical self-locking differential for improved handling.
The total power output amounts to 602 kW (818 PS 807 hp) making the Sián the most powerful production Lamborghini automobile. Other modifications to the engine include the addition of titanium intake valves, a reconfigured ECU and a new exhaust system raising the power output to 577 kW (785 PS 774 hp). The car is limited to 63 units, paying homage to Lamborghini's year of foundation: 1963.īased on the Lamborghini Aventador, the Sián FKP 37 shares its engine with the SVJ variant of the Aventador, but an electric motor integrated into the gearbox adds another 25 kW (34 PS 34 hp) to the power output. FKP is the initials of the late Volkswagen Group chairman Ferdinand Karl Piëch, who died two weeks before the car was unveiled, and the 37 is his birth year of 1937. The name was selected to highlight the fact that the car is the first electrified vehicle produced by the company. The name Sián means a flash of lightning in the Bolognese dialect.
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