Ever wonder, how many tires were used in NASCAR last year?

If you ever wondered how many tires were used in the 2015 NASCAR Sprint Cup Series, well you're in luck. Before you guess, just know that $35 million was spent on tires last year.

On a typical race weekend, a NASCAR Sprint Cup Series team will use between nine and fourteen sets of tires depending upon the length of the race and type of track - short track, speedway, superspeedway or road course.

Here are some fast facts: The number of sets allowed per each team varies based upon the type of track and the length of the race. Each tire costs uopwards around $500 each, and teams can spend an average of over $20K for a single race. Tires often last about one-hundred miles on a NASCAR tracks. They average 11.5 inches wide with a weight two-dozen pounds each. Goodyear one of the leading manufactures, produces 18 different  types of tires for NASCAR teams over an entire season.