2011 Mercedes F1 Car

On the only race coarse common to the different types and for which lap times are available (Montreal, CA). A Formula One Car is 5 to 7 seconds PER LAP faster that an Indy Car, about 17 seconds faster per lap than a Rolex Sports Car and 28 seconds per lap faster that a NASCAR "Stock Car" on this coarse! Keep in mind that Indy Car Racing has become what is known as a "spec series" All Indy Cars are the same car built by Dallara in Italy and they all have Identical Honda V8 engines!