The Plymouth Barracuda Beat the Mustang to Market by Two Weeks – Then Spent a Decade Becoming a Legend

The Plymouth Barracuda hit showrooms two weeks before the Mustang in 1964, then spent ten years morphing through three different platforms before ending as a race-bred Hemi icon. Fewer than a dozen 1971 Hemi ‘Cuda convertibles were ever built. Here is the full decade, one year at a time.

Two weeks. That is all the head start the Plymouth Barracuda had on the Ford Mustang when it rolled out of Chrysler showrooms on April 1, 1964 — and somehow, despite technically inventing the pony car category, Plymouth still gets remembered as the runner-up. What started as a fastback Valiant with sportier trim and a genuinely record-setting rear window would spend the next decade transforming into one of the most feared machines Detroit ever built, culminating in a 426 Hemi-powered convertible so rare that only a handful exist today and one sold at auction for millions. The Barracuda’s story is not a straight line from cute compact to muscle car legend — it is a decade-long identity crisis that ended with Chrysler engineers cramming a race-bred big block into a chassis that was never designed to hold it. Along the way there were three completely different cars wearing the same name, a Trans-Am racing program that spawned one of the rarest street cars of the era, and a final year so quietly unassuming that most fans do not even realize it happened.

Every Year, Compressed Into Sixty Seconds

This video, a rapid-fire “every year” evolution reel from MotorMorph, compresses the entire 1964–1974 Barracuda timeline into about a minute, tracing the car from its A-body fastback origins through the E-body Hemi ’Cuda and AAR ’Cuda years and on to the emissions-choked, 360-powered send-off in 1974. It is a tight, visual crash course — but the ten years it covers hold enough genuine automotive drama to fill a book, from platform swaps forced by engine size to homologation-special trim packages built solely to satisfy racing rules.

What makes the timeline format effective is watching the styling and mechanical DNA shift almost year to year: the smooth, understated shape of the 1964–66 cars giving way to the more aggressive fastback of 1967–69, then the dramatic widening into the E-body’s shark-tooth grille and flared fenders for 1970 and 1971. Anyone who only knows the Barracuda from Hemi ’Cuda auction headlines is missing just how different, and how compact, the car started out.

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From Compact Commuter to Muscle Car Icon

The Barracuda’s origin story is almost accidental. Chrysler needed a sporty answer for compact-car buyers who wanted something more exciting than a Valiant sedan, and rather than engineer a dedicated platform from scratch, Plymouth stretched the Valiant’s A-body underpinnings and grafted on a huge wraparound rear window — a 14.4-square-foot piece of curved glass reported to be the largest ever installed on a standard production car up to that time. The effect was striking, if occasionally uncomfortable: on hot days the greenhouse-style backlight turned the rear seat into a sauna, and some owners nicknamed their cars “fish bowls.” The Barracuda beat the Mustang to market by roughly two weeks in April 1964, but Ford’s marketing machine and dramatically higher sales numbers meant Plymouth would spend six decades being remembered as the copycat rather than the originator. Sales were solid regardless — 126,538 Barracudas left dealer lots between 1964 and 1966, with 1965 alone accounting for 64,596 of them, numbers that dwarf what the car would manage once it grew into a true muscle car a few years later.

The 1967–69 second generation gave the Barracuda a completely redesigned body, still A-body underneath but now offered as a notchback and convertible in addition to the fastback, and for the first time, real big-block V8 power in the form of the 383. That 1967 Formula S 383 made 280 horsepower and 400 lb-ft of torque, though the big block’s exhaust headers took up so much room under the hood that there was no space left for a power-steering pump on early cars, making them notoriously heavy to muscle around a parking lot. Chrysler fixed the packaging by 1968, bumping output to 300 horsepower and finally offering power steering, and the 1969 version climbed further to 330 horsepower. It was a meaningful step up, but Chrysler’s engineers already knew the compact A-body chassis was too tight for the engines about to define the muscle car era — specifically the 426 Hemi and 440 wedge. Squeezing either into the Barracuda’s engine bay without major surgery simply was not possible, and that limitation is what forced the next, far more dramatic change.

For 1970, Plymouth abandoned the compact A-body entirely and moved the Barracuda onto the new E-body platform — the same wider, longer architecture underpinning the freshly launched Dodge Challenger, which rode on a 110-inch wheelbase versus the Barracuda’s 108 — specifically so the engine bay could swallow the 426 Hemi and 440 without compromise. The redesign also produced the AAR ’Cuda, a homologation special built to satisfy SCCA Trans-Am racing rules and named after Dan Gurney’s All American Racers team, powered by a 340-cubic-inch V8 fed by a three-carburetor Six Pack setup rated at 290 horsepower and 345 lb-ft of torque. Fewer than 3,000 AAR ’Cudas were built, and that specific 340 Six Pack combination was never offered in any other Barracuda trim or model year, making it a one-shot pairing that racing regulations effectively created and then erased.

The irony is that the racing program the AAR ’Cuda existed to homologate never delivered much on track. Gurney and teammate Swede Savage ran the 1970 Trans-Am season in cars numbered 48 and 42, and while Savage grabbed a runner-up finish at Road America and three pole positions between them, Chrysler cut AAR’s budget mid-season and forced the team down to a single car. Plymouth finished fifth in the manufacturer standings with no wins and just 15 points for the year. The street car built to legalize that effort ended up outliving the racing program by decades — today it is one of the most sought-after single-year Barracuda variants, regardless of how it actually performed on a Trans-Am grid.

The E-body’s true halo car, though, was the Hemi ’Cuda, and nothing captures how quickly the Barracuda’s fortunes reversed after 1970 quite like the convertible production numbers. Total Barracuda output collapsed from 55,493 units in 1970 to just 18,696 in 1971 as the muscle car market began cooling under the weight of insurance surcharges and looming emissions rules — and within that shrinking pool, Hemi-powered convertibles were vanishingly rare. Roughly a dozen 1971 Hemi ’Cuda convertibles were built for the entire model year, split between U.S. and export orders, and only a few of those left the factory with a four-speed manual transmission. One numbers-matching example later sold at auction for a reported $3.5 million, a price that says more about how few survive today than anything about the car’s original sticker.

The 1970 and 1971 model years also mark the only real styling split within the E-body run, and it is sharper than most casual fans realize. The 1970 ’Cuda used a single-headlight nose with two rectangular inlets flanking it, while 1971 brought a one-year-only redesign: a full-width shark-tooth grille, quad headlamps for the first and only time on the Barracuda, new taillights, and a set of fin-like gill vents molded into the front fenders. Because that front end never returned for 1972, spotting a genuine ’71 is as simple as counting headlights — and it is part of why 1971 cars, Hemi or not, carry their own following among E-body collectors.

The good times did not last. By 1972 the 426 Hemi and 440 were both gone from the options sheet, victims of tightening emissions standards and rising insurance premiums that had already gutted demand across the muscle car segment. The Barracuda soldiered on for three more model years — 18,490 built in 1972, 19,281 in 1973, and a final 11,732 in 1974 — but the performance ceiling kept dropping. By its last year, the strongest engine available was a 360-cubic-inch V8, a far cry from the Hemi-powered monster of just three years earlier, and Plymouth quietly ended production without much fanfare. The car that beat the Mustang to market by two weeks left the stage with barely a mention.

What Makes the Barracuda’s Decade So Remarkable

What makes the Barracuda’s ten-year run genuinely remarkable is how many completely different cars wore the same nameplate. A compact-based fastback commuter, a proper A-body pony car with big-block options, and finally a wide-hipped E-body brute built around a race engine — three distinct identities in a decade, with almost nothing shared between the 1964 and 1974 versions beyond the name on the trunk lid. Few nameplates in American automotive history pivoted that hard, that fast, and still ended up among the most collected muscle cars of the era.

It is also a lesson in how thin the line was between obscurity and legend. The AAR ’Cuda existed only because of a racing rulebook. The Hemi ’Cuda convertible exists in single digits today because almost nobody ordered that specific combination in 1971. And yet those low-volume oddities are exactly what collectors chase hardest now, decades after the mainstream Barracuda quietly disappeared from Plymouth’s lineup.

Watch the full video above and let us know your thoughts in the comments.