New Car 2018 - The World Fastest Car In 2017. 2018 Dodge Challenger SRT Demon is 'world's fastest' car - With 840 horses, Dodge Demon is 'world's fastest' car. Dodge is about to conjure a powerful Demon and wants it to help bolster sales. In addition, the car set an unofficial record for 0–200 mph (0–322 km/h) acceleration at 14.51 seconds, beating the Koenigsegg Agera R's time of 17.68 seconds, making it the unofficial fastest accelerating production car in the world. New Tesla Roadster 'quickest car in the world' - Autoblog - Tesla calls the new roadster the quickest car in the world, with a 0-60 time of just 1.9 seconds.. NEW!! Watch the new fastest cars in 2018 youtube/watch?v=f3MW7W5SBJk Top 10 Fastest Cars In The World 2016 Find Out Which is the Fastest Car China's NextEV Launches NIO Brand And World's Fastest - LONDON – Chinese electric car company NextEV unveiled its new brand NIO Monday and launched what it said was the fastest electric car in the world..