Top 10 Top 10 Fastest Cars in the World by Frédéric Mercier July 29, 2020 2. Koenigsegg Agera RS Top speed: 447 km/h The Koenigsegg Agera reached an all-time high in 2015 with the RS variant, which temporarily held the title of the world’s fastest production automobile. Now, the honour goes to… « PreviousNext » Share on Facebook Share: