Dodge challenger 1971 RT Muscle Car ReviewChallenger R/T with a convertible version available only in 1970 and 1971 , although there were no factory-built R/T Challenger convertibles for 1971 ; the R/T continued as a model on the hardtop body style however. The standard engine on the base model was the 225 cu in (3.7 L) six-cylinder. Standard engine on the V8 was the 230 bhp (171.5 kW)318 cu in (5.2 L) V8 with a 2-barrel carburetor. Optional engines...
