Here are the sizes for the various dodge models (I suspect plymouth were similar)
Charger:
Wheelbase...117"
Overall length, width, height...208.0"/76.6"/53.2"
Track; front/rear...59.5"/59.2"
Dart:
Wheelbase...111"
Track, front/rear...57.4"/55.6"
GTS, Swinger 340 track, f/r...58.1"/56.3"
Overall length...195.4" (seems a little odd to me?)
Overall width...69.6"
Overall height (6-cylinder sedan)...54.4"
Coronet
Sedan (dont have 2-door dimensions)
Wheelbase...117"
Track, front/rear (6-cyl.)...59.5"/58.5"
Track, front/rear (V8)...59.5"/59.2"
Overall Length...206.6"
Overall width...76.7
Overall height (6-cyl)...54.5
Polara
4-door Sedan
Wheelbase...122"
Track, front/rear...62.1"/60.7"
Overall Length...220.8"
Overall width...79.3"
Overall height...56.8
Monaco 4-door Dimensions are exactly the same as polara
These are the advertised dimensions of 1969 dodge models.