Is this the most rare Trans Am? The early 70s were brutal for muscle cars. Insurance rates soared, emissions choked performance, and gas prices skyrocketed. But Pontiac engineers said, "Hold my beer!" and unleashed the 1973 Pontiac Trans Am Super Duty 455 - a fire-breathing beast that Car and Driver called the "last of the fast cars." Leave a comment below! Did you know about the 1973 Super Duty? What's your favorite muscle car fact? #musclecar #pontiac #transam #superduty #1973 #musclecarofthew