Car Throttle’s UK-based hosts take on one of American car culture’s most argued-over distinctions: what actually separates a muscle car from a pony car. The video traces both categories back to their origins, from the Pontiac GTO to the original 1964½ Mustang, before tackling the overlap that confuses even longtime enthusiasts. It’s a debate with real consequences for car show classifications and collector values. Watch to see where the line actually gets drawn.