The HEMI-powered Road Runners were expensive. They were even the quickest of the lineup, but they were still the most ...

The 426 Hemi Road Runner saw a decline due to rising ... did like that idea and decided to convince the brass at Plymouth by bringing their concept car complete with decals in place to show ...

At the tail end of the Golden Age of American Muscle, the Plymouth Road Runner was one of the best-selling rides, but it never got much respect. It was a stripped-down car built for speed at an ...

In just three years, Herlitz became manager of the Plymouth Intermediate Car Studio ... Herlitz went on to work on several well-known concept cars, including the '97 Copperhead (above right).