GG's '71 Plymouth e-body Option & Accessory report shows:

total US spec. '71 'Cuda BS23 & BS27 production = 5,675

combined BS23/BS27 with "V6_" billboards @ 32.1% ~ 1,822 cars

combined BS23/BS27 with "R36" AM/FM/cassette @ 2.4% ~ 136 cars

combined BS23/BS27 with "FC7" IN-Violet @ 7.9% ~ 448 cars