Karl (Carl) Benz.
This question does not have a straightforward answer. The history of the automobile is very rich and dates back to the 15th century when Leonardo da vinci was creating designs and models for transport vehicles.
There are many different types of automobiles - steam, electric, and gasoline - as well as countless styles. Exactly who invented the automobile is a matter of opinion. If we had to give credit to one inventor, it would probably be Karl Benz from Germany. Many suggest that he created the first true automobile in 1885/1886.
Below is a table of some automobile firsts, compiled from information in Leonard Bruno's book Science and Technology Firsts (Detroit, c1997) and About.com's History of the Automobile.
Maxwell automobile was created in 1904.
Nanjing Automobile was created in 1947.
McFarlan Automobile was created in 1909.
Automobile Magazine was created in 1986.
Paige automobile was created in 1908.
Automobile Craiova was created in 1976.
Ruf Automobile was created in 1939.
Belmont - automobile - was created in 1916.
Attila - automobile - was created in 1903.
Automobile Dacia was created in 1966.
Franklin - automobile - was created in 1902.
Artega Automobile was created in 2006.