What do you think is the fastest car in GTA Online? Check out our GTA Online guide for more information, and see how quickly you can reach the finish line in the comments section below. For a long time, Grand Theft Auto Online has become one of the most popular games, and its online audience is still growing. Cars are all in GTA Online. Plays must know which cars browser games to play online are the fastest in order to win a sprint or cruise around Los Santos. You’d be forgiven for thinking right away that the Formula 1-style cars – the Ocelot R88 and Progen PR4 – are the fastest in GTA Online. Technically, they’re not. They will give you the fastest lap time in Open Wheel races, but that’s it. The Entity is a classic GTA 5 hypercar, while other cars were introduced in DLCs and updates in GTA online. The Overflod Entity XXR came with the base game and is ready to be bought after you purchase a garage. This is one of the few cars that came with the vanilla game and performs well enough to compete with updated vehicles.