Sports car, Motor Show, Supercar, Hypercar

VIDEO: Supercars of Geneva 2015 : Porsche 911 GT3 RS, Audi R8, Zenvo ST1

Porsche chose Geneva for the world debut of the 911 GT3 RS. The uber coupe's four-litre engine pumps out 500 brake horsepower for a 0-62mph time of 3.3 seconds. Lightweight components include a magnesium roof and carbon fibre engine cover, while a low front spoiler, large rear wing and pit lane limiter button have been designed for the racetrack.

Porsche chose Geneva for the world debut of the 911 GT3 RS. The uber coupe’s four-litre engine pumps out 500 brake horsepower for a 0-62mph time of 3.3 seconds. Lightweight components include a magnesium roof and carbon fibre engine cover, while a low front spoiler, large rear wing and pit lane limiter button have been designed for the racetrack. Audi revealed its all-new R8 and confirmed prices for the second generation supercar, with the range-topping V10 plus costing £137,500 OTR. On sale in May, the new R8 boasts a 0-62 time of 3.2 seconds and top speed 205mph. Danish sportscarmaker Zenvo unveiled an updated ST1. It's powered by the same turbocharged and supercharged 6.8-litre V8, which is now mated to a new faster-shifting sequential automatic transmission, bringing the ST1's 0-62 time down to under 3 seconds.