1971 the Road Runner was introduced by Plymouth as a performance version of the Belvedere. Road Runner’s base engine was the new 383 cu in (6.3 L) “Super Commando” V8 (renamed the “Road Runner 383”), high performance 440.
The GTX used the Sport Satellite trim and was offered in two models, the two-door convertible and the two-door hardtop.
In today’s video, we want to show you a great american classic car, the Plymouth GTX 440 / RoadRunner. The V8 engine sound is really incredible. Watch this Plymouth video for cold start sound, drive scenes and listen the horn.
Consequently, based on the GTX now the new model. However, this lasted only one year. Completely new was the coupé body, technically, everything remained the same. Available were still the 7.2-liter with two power ratings and the seven-liter Hemi V8.
Due to sharp decline in sales of the GTX was taken as a stand-alone model in the fall of 1971 from the program, in the model years 1972 to 1974 there were but for the continuing Plymouth Road Runner GTX a package.
Source: Youtube/Car Acceleration TV