Dart vs. Valiant

In 4-door, A-body, slant-6 cars, I'd say there's never been much difference Dodge vs Plymouth. But Dodges always had the better-looking, more upscale models. "Any color, powertrain combo, and options are available on either one"... but that wasn't true in the '60s. Dodge always had better options. You usually couldn't get the best/biggest motors in the Plymouth A-body. Far as I know you couldn't get a 2-door hardtop Plymouth A-body. (But by around '71 Dodge=Plymouth in almost every way.) So if your talking '60s, I'd be getting a Dodge.