Musk also claimed that "there have not been new car [brands] that have been successful for 100 years, apart from Tesla."
Some automotive brands that were founded in the last 100 years:
Chrysler (1924)
Volvo (1927)
BMW (1928)
Datsun/Nissan (1931/1933)
Fiat (1932)
Toyota (1936)
Volkswagen (1937)
Jeep (1943)
Land Rover (1948)
Honda (1963)
Honda started making cars in 1963, but the company started building motorized bicycles in October 1946. The first vehicle with a frame and engine made by Honda was the Dream motorcycle, in 1949.
In 1958, Honda began producing the Super Cub, which is still being produced today, and is the most produced motor vehicle in history.