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Lamborghini Sian Roadster is a sharp performer with sharper angles

With 819 electrified horsepower on tap, it'll reach 62 mph in less than 2.9 seconds.

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Andrew Krok

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Lamborghini Sian Roadster
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Lamborghini on Wednesday unveiled the Sian Roadster.     

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As the name and pictures suggest, it's a convertible version of the Sian that we first saw in 2019.

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In addition to a potent V12 gas engine, there's a 48-volt electric motor built into the seven-speed automated manual transmission that delivers 34 horsepower and can be used to reverse or park under electricity alone.

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The whole shebang puts out a bloody impressive 819 hp and will reach 62 mph in less than 2.9 seconds, which is a whopping 0.1 seconds slower than the coupe.

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The electric motor can also act as a torque fill during gearshifts to maintain acceleration.

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Most hybrids, supercar or otherwise, rely on traditional batteries to store energy for later use.

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Lamborghini, on the other hand, uses something called supercapacitors.     

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Think of it like a turbocharged battery, capable of accumulating and discharging energy with more gusto than your average lithium-ion cell.    

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Supercapacitors are also a fair bit lighter than batteries; in conjunction with the electric motor, the hybrid bits add just 75 pounds to the equation.    

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Keep scrolling to check out a couple more pictures of the Lamborghini Sian Roadster.

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