Cadillac Type 51

The Cadillac V8, introduced as the Type 51 is a large luxury car that was introduced in September 1914 by Cadillac as a 1915 model. It was Cadillac's first V8 automobile, replacing the four-cylinder Model 30, and used the all new GM A platform for the entire series shared with all GM division brands using a 122 in (3,099 mm) wheelbase.