Introduced for the 1968 model year as Plymouth's most affordable muscle car, the Road Runner lost its high-compression V8 options after the 1971 model year (like all Mopars). But unlike the GTX, which ...
It was 1974, the year when muscle cars were staggering under the weight of emissions laws, rising insurance premiums, and the aftermath of the oil crisis. Plymouth had already demoted the mighty GTX ...