And it's not a Daimler or a Benz.
It's ... (drumroll) ....
[I'm leaving time for you to guess the nationality]
FRENCH!
The car was built in France in 1884, about a year before Gottlieb Daimler and Karl Benz of Germany built their first experimental gasoline-powered cars.
The four-wheeled De Dion-Bouton et Trepardoux, nicknamed "La Marquise," was originally built for the French Count De Dion, one of the founders of the company.
http://www.cnn.com/2007/AUTOS/06/25/worlds_oldest_car/index.html