Indy 500 vs Formula 1 vs NASCAR: which of the three cars is the faster? - AS USA

Racing fans are anticipating the 106th Indianapolis 500 which will be held this weekend. How do its cars compare to those of Formula 1 and NASCAR?

How Fast Are F1 Cars And Why Are They So Fast?

Which is Faster? Formula 1 vs IndyCar vs NASCAR – Montreal Grand Prix

F1 vs IndyCar: Top speeds, horsepower, assists & more compared

As Formula 1 Surges in the U.S., IndyCar Hopes to Keep Up - The New York Times

F1 v IndyCar: Top speeds, engines, format, calendars and safety all compared : PlanetF1

IndyCar is racing's most exciting series – but does anyone care? - Motor Sport Magazine

Speeds on the rise midway through Indy 500 Fast Friday

Ganassi team arrives at Road America on top in IndyCar and NASCAR

How Fast Are Formula 1 Cars vs. Nascar and Other Race Cars?

F1 Vs IndyCar: The Differences Explained, News

Which is Faster? Formula 1 vs IndyCar vs NASCAR – Montreal Grand Prix