Sesto Elemento — Italian for The Sixth Element. Carbon's atomic number. The name tells you everything about what Lamborghini built here. The Sesto Elemento debuted at the 2010 Paris Motor Show as a concept so extreme that Lamborghini's engineers used carbon fibre not just for the bodywork but for the chassis, driveshaft, and suspension arms — making it one of the most carbon-intensive machines ever built at the time. The result was a kerb weight of just 999kg — extraordinary for a car producing 562 horsepower from a 5.2 litre naturally aspirated V10, giving a power to weight ratio that remains the highest of any road-going Lamborghini ever produced. 0 to 100km/h in 2.5 seconds. Top speed of 320km/h. Track only — never road legal anywhere in the world. Lamborghini announced 20 units. Evidence from vehicle identification number records suggests as few as 10 were actually completed — making it potentially the rarest Lamborghini in existence. Price at launch was $2.92 million USD. Curre...