The Automobile Motorsports Hobby Around The World When looking at the sport of high performance automobile tuning, the groups usually follow country of origin. It is common for the groups to compete against each other to prove which country makes the best cars. While they are always fast, there are many differences between them. The United States has a deep history of hot rods, going all the way back to the 1930's. More often than not, the cars being tuned are large, heavy, but powerful V8's. The people who own these cars are not concerned wi ....