Depends on what car it is, and where the car is made
yes, they can be used as racing cars, but would not qualify for FORMULA1 racing or NASCAR.
Iron is the metal that is used to make domestic cars but sport cars or F1 cars might be made of carbonfiber
nitrogen
nope they never had racing cars because they used horses for racing not racimg car beuz they couldn't really afford that.......
Racing Cars was created in 1973.
It's nitrogen.
Vintage cars are defined by the date they were built, not design, (about 1920-1930). Racing cars are defined by their design for racing.
Elden Racing Cars was created in 1961.
Aquila racing cars's population is 5.
Aquila racing cars was created in 2005.
Shadow Racing Cars was created in 1971.
Shadow Racing Cars ended in 1980.