Introduced for the 1968 model year as Plymouth's entry-level muscle car, the Road Runner remained in production as a stand-alone nameplate through 1975. But like all Mopars, it lost its muscle car ...
Having introduced the fancied-up GTX for the 1967 model year, Plymouth decided it also needed a more affordable, no-frills muscle car. It was born in 1968 with the Road Runner badge. Plymouth paid $50 ...