The engines in F1 cars are much more powerful than their F2 counterparts. F1 engines have about 1,000 horsepower, while F2 cars max out at around 620hp. This allows F1 cars to go about 10-15 mph faster on average. The top race speed for an F1 car is over 230mph, while the top speed for a F2 car is less than 200mph.