Few cars have had such an engine, and emissions regulations were practically non-existent in the 1930s when the Marmon Sixteen and the Cadillac V-16 came out. It was also much easier to comply ...

The automatic-equipped Blackwing gets 13/21/16 mpg ... as standard equipment. Cadillac’s Super Cruise hands-free highway driving system is standard on the CT5-V and Blackwings equipped with ...