For many years, this model was the most powerful American car. This series of high-performing personal luxury cars were the predecessors of muscle cars. Production began in 1955, and by 1958 produced up to 390 horsepower in a fuel-injected version.
Answer Chrysler 300
The Chrysler 300 letter series kept upping the ante, with successively bigger and more powerful engines each model year from 1955-1959.
Asked by Dan Henry · Last updated 5 years ago · 1.1M views