22 Feb 2026, 13:32 UTC · By: Ciprian Florea // Plymouth used the GTX badge on the 440-equipped Road Runner frm 1972 to 1974. Only 386 units were sold in the final year.

Introduced for the 1966 model year, the 426-cubic-inch (7.0-liter) Hemi V8 engine was initially offered in the Belvedere and Satellite. A year later, Plymouth debuted the GTX, while 1968 saw the ...

The 1971 Road Runner Hemi arrived just as the original muscle-car wave was cresting, and it did something that still stings for anyone who loves street performance: it priced itself out of the ...