Top Banana. Dodge offered four different wheelbases in 1972. The full size C body Dodge was the Polara and Monaco. The mid size B body was the 4 door Coronet and 2 door Charger. The Dart was the A body compact Dodge, 4 door base and Custom, 2 door Special, Swinger and the performance Demon. The Challenger, introduced in 1970, along with the slightly smaller Plymouth Barracuda were built on Chryslers E body pony car platform. 1972 saw a new 'Sad Mouth' grille that extended below the bumper. The convertible was no longer available in 1972, the 440 Magnum and 426 Hemi dropped too. Only available as a 2 door Hardtop and in base or the new Rallye, which replaced the R/T. The Rallye got dummy air extractors vents bolted to the front fenders, it still got the power bulge hood, but no shaker option. Very similar in 73 and 74, in 1973, the front bumper protruded more, with impact reducing rubber behind, also 73 and 74 have small vertical slots in them for the newer bumper jack, 1974 saw rubber bumper guards on the front bumper.