The Pontiac GTO in 1964 and the Ford Mustang in 1965 heralded a flood of new sporty coupes arriving onto the American market.
The GTO and Mustang formed part of a wave of extreme cars that are still revered as all-American motoring institution – the muscle car.
These storming fastbacks with big thirsty engines, straight-line speed and aggressive body designs formed a fascinating auto genre that has since garnered a cult following.
Muscle cars emerged in the States from the mid-sixties onwards. They are ultimately characterized by their engines, which are big, powerful and tuned for performance. They’re usually pretty loud too.
They have aggressive styling that hints at their high-speed capabilities – although they are often hotted-up versions of far more sedate vehicles.
The origins of muscle cars can be traced back to the post-World War II era when American automobile manufacturers started focusing on producing something that was like the latest European sports cars in performance – but with a more American macho personality.
At the time the industry had plenty of large and powerful V8 engines and the younger motoring public had a big thirst for high-performance vehicles.
One of the defining moments was the introduction of the Pontiac GTO in 1964. The GTO was based on the more genteel model, the Pontiac Tempest.
But the new version however was given a large V8 engine, sporty styling, and impressive performance… in a straight-line at least. Going round corners quickly was never a muscle car strong point.
The immediate sale success of the GTO inspired other American automakers to enter this new muscle-car market.
Major Detroit automakers such as Ford, Chevrolet, Dodge, and Plymouth soon followed suit and introduced their own muscle car models.
Some of the iconic muscle cars from this era have great evocative names, like the Ford Mustang, Chevrolet Camaro, Dodge Charger, Plymouth Road Runner and Pontiac Firebird.
The muscle cars were not like today’s high-end supercars. They were designed to provide affordable high-performance driving experiences for ordinary motorists.
They followed the path worn by the DIY hot-rodders who had been fitting big engines in their private workshops and garages to old cars to make them go faster in street races. They were more influenced by drag and custom cars than the contemporary racing cars.
That all meant fitting large-displacement V8 engines to get as much horsepower and torque as possible. Fuel was cheap, so massive engines were paired with sturdy suspensions, performance-oriented transmissions.
Interiors featured bucket seats, smaller sporty steering wheels and the feel of a sports car but in a fastback body.
Muscle cars became the focus of a million DIY improvements and enhancements too. Owners added everything from unique paintjobs to uprated turbos.
Muscle car modifiers grew to have their special favourite brands too. For example, iconic Cragar wheels, like the classic SS which features a five-spoke chrome design, have been popular since the heyday of muscle cars.
They have since become a symbol of the era and one of the best ways of enhancing the character of a vehicle.
Customised or stock, muscle cars soon gained immense popularity and became synonymous with American automotive culture. They were prominently featured in movies, television shows and pop songs.
The muscle car craze began to wane in the 1970s due to things like tightening emission regulations, rising fuel costs, and increased insurance premiums.
They became cult cars for nostalgic enthusiasts and retro speed lovers. It’s only with the technological advances of recent years that the genre has started to make a comeback.
Modern iterations of classic models have been introduced by several manufacturers. They retain the iconic styling cues of their predecessors while incorporating modern tech and fuel efficiency.
As the automotive industry continues to shift towards more environmentally friendly technologies, electric and hybrid vehicles are becoming more popular. Some automakers are already exploring electric powertrains to create muscle cars with impressive acceleration – and emission-free performance.