1. true stock cars
   muscle cars
2. none of the above

The original NASCAR race cars were true stock cars, meaning they were no different than the family sedans being driven on American highways. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. custom
   cheap
2. average

The NASCAR racer of today is a custom car in every sense of the word. Every inch of it is finely tuned, obsessively engineered and built for speed. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. $15 million or less
   over $20 million
2. No more than $10 million

Today's top racing teams command budgets of well over $20 million a year. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. car construction
   car maintenance
2. all of the above

The biggest chunk of these bulging budgets is earmarked for the construction, maintenance and upgrades of an entire fleet of race cars. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. 5 to 10 cars
   14-20 cars
2. 20-30 cars
   none of the above

One NASCAR racer costs a pretty penny, but m­ost championship racing teams keep 14 to 20 cars in racing condition at all times. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. no larger than 358 cubic inches
   no larger than 458 cubic inches
2. no larger than 558 cubic inches

The engine can be no larger than 358 cubic inches (5,867 cubic centimeters), which limits the amount of horsepower that the engine can produce. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. between $45,000 and $80,000
   between $80,000 and $100,000
2. between $25,000 and $40,000

The total cost of these engines, which take more than 100 hours to build, is anywhere between $45,000 and $80,000. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. between $100 and $200
   between $350 and $450
2. between $500 and $750

Each NASCAR tire costs between $350 and $450. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. corporate sponsors
   NASCAR drivers
2. car manufacturers

Corporate sponsors not only pay for the car, but help cover all of the research and development and maintenance costs associated with a big-budget racing team. At Hendrick Motorsports, which employs 500 people, sponsors are estimated to cover 65 to 70 percent of all infrastructure costs. The rest is paid for by race winnings and other endorsement deals. <a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>

1. Car of Tomorrow (CoT)
   Car of Today (CoT)
2. Car of Yesterday (CoY)

Car of Tomorrow (CoT) is a program that represents NASCAR's effort to improve driver safety and cut costs by requiring all Sprint Cup race teams to use cars with the exact same set of specifications .<a href="http://entertainment.howstuffworks.com/nascar-race-car-cost.htm">How much does a NASCAR race car cost?</a>