All the first cars were powered by steam and were used as toys. Ferdinand Verbiest invented the first car in the year 1672. It was the first ever invented . He built his car in China for the Chinese emperor, It was a 65 cm-long scale-model toy. Hence, you could rightly say, the first ever car was made in China.
There are sources saying that Nicolas-Joseph Cugnot (1725-1804) built the first car in 1769 . He built 2 self propelled ,three wheeled, 2.5 mph ,road vehicles (military tractor) for the French army one of which is preserved in the French National Conservatory of Arts and Crafts
François Isaac de Rivaz, a Swiss inventor, designed and invented the first ever car with an internal combustion engine. This car engine was fueled with a mixture of hydrogen and oxygen.
Karl Benz generally is acknowledged as the inventor of the modern automobile . n 1879, Benz was granted a patent for his first engine, which had been designed in 1878. Many of his other inventions made the use of the internal combustion engine feasible for powering a vehicle. His first Motorwagen was built in 1885 in Mannheim, Germany.In 1896, Benz designed and patented the first internal-combustion flat engine, called boxermotor. During the last years of the nineteenth century, Benz was the largest automobile company in the world with 572 units produced in 1899 and, because of its size, Benz & Cie., became a joint-stock company.
There is no movie for the first car built but here is the movie about the Benz