When it comes to Mopar muscle cars, many people tend to think of E-body vehicles such as the Dodge Challenger and Plymouth 'Cuda, or B-body vehicles like the Dodge Charger and Plymouth Road Runner. The Mopar A-body served as a platform for smaller and more economical cars like the Dodge Dart and Plymouth Valiant. However, the A-body also proved it could hold its own in the muscle car arena.