Before revision: While these cars are not as technologically advanced, they are faster, mainly because they compete on oval race tracks, being able to average a lap at 388 km/h (241 mph).
After revision: While these cars are not as technologically advanced, they are faster, in part due to their lower downforce compared to F1 cars, and also because they compete on oval race tracks, being able to average a lap at 388 km/h (241 mph).