The Mustang wasn’t the first sporting compact American ‘pony car-style’ coupe however, that mantle going to the Chrysler Corporation with its fastback Plymouth Barracuda, which was also introduced in 1964, beating the Ford to market by just two weeks. Though always lost in the Mustang’s shadow, the Plymouth Valiant-based Barracuda could offer an all-important 235bhp, 273 cubic inch V8 engine right from launch. The pillarless coupe also boasted a huge wrap-around rear window, claimed at the time to be the largest single piece of glass ever used in a production car.
In its hard-fought battle to compete with the conquering Ford, for 1967 Chrysler added notchback and convertible body options to the Barracuda range, plus a more lively 280bhp 383i V8, which followed in ’68, along with an abbreviation of the Plymouth coupes’ name to ‘Cuda. By 1969 the ‘Cuda had become a true full-blown muscle car, beating the Mustang on performance with a 440ci 390bhp V8 option. For 1970 Plymouth added a stylish new ‘E-Body’ coupe bodyshell (shared with its Dodge Challenger sibling) to create the ultimate ‘Cuda, developing up to a mighty 425bhp in desirable 426 Hemi form. Following its 1970 peak though, the sporting Plymouth was gradually emasculated, with production fizzling out in 1974.
Although the Mustang had the Chrysler Corporation, plus Ford’s other domestic GM and AMC rivals, on the run with the unprecedented success of the model, Chrysler had long proved to be Detroit’s performance trend-setter, starting America’s horsepower race. It arguably introduced the Big Three’s first muscle car with its Chrysler 300 way back in 1955, fitted with a standard potent 331 cubic inch, 300bhp Hemi V8, so named due to the engine’s hemispherical shape of the combustion chambers. The 1955 300 began a series of powerful Chrysler 300 ‘letter’ cars, which ran up to the fast 300J of 1963. After years of laying dormant, Chrysler revived the emotive 300 model designation in 2004, with its Mercedes-Benz E-Class-based 300C, a model that underwent some revisions in 2010 but remained in production until the very end of 2023, making this the longest-lived American passenger car model by some margin.