Nov 08, 2021 · As of now, the fastest drag car in Forza Horizon 5 is the Koenigsegg Jesko. It’s an S2 beast made for speed, with a potential to go up to 305 mph with additional tune-ups. When it comes to drag racing. you need to have the best ride with perfect 10 Launch and 10 Speed.. "/>Fastest jesko tune fh5