This article compares the speed of a Formula 1 race car, a NASCAR, and an IndyCar. Formula 1 cars are the fastest on a track, with top speeds of over 200 mph in qualifying. NASCAR and IndyCar cars are not as fast, but still reach speeds of over 200 mph. NASCAR cars are the heaviest of the three, while IndyCars are the lightest and most agile. All three cars are capable of incredible speeds on the track, with the Formula 1 cars having the edge in speed.