Hennessey's Venom F5 Roadster produces 1,817bhp and reaches a top speed of 483km/h, making it possibly one of the most exhilarating open-top experiences ever.
The Grand Sport Vitesse's W16 produced 1,167bhp and propelled the roadster to a top speed of 408km/h making it the fastest car in its segment to this day.
Following the impressive V12 Vantage S coupe, Aston Martin unveiled its fastest roadster - the V12 Vantage S roadster - with 565bhp and 620Nm of torque.
Aston Martin is opening up a new world of exhilarating driving excitement with the announcement of the V12 Vantage S Roadster.
Not long ago the title of the World's fastest production car was stripped from Bugatti by Guinness World Records. Looks like they could care less.
The Vitesse has power that could alter the world's rotation and engineering features and excellence that could only be out done by Leonardo Da Vinci.
Lotus pops the top off the Exige S and presented the new Exige S Roadster in Geneva. This is the first Exige with a factory fitted soft-top.