Wanna know what’s the fastest of them all? Shelby Supercars must have been so proud as its baby Ultimate Aero Twin Turbo was recently named “Fastest Production Car in the World”. With a 255.85 mph speed, the Shelby Supercars creation made its way to claim this prestigious award. Its speed met the standards of Guinness World Records, proving that it really deserves the applause of every car buff all over the globe.