Fans of the classic American muscle car will likely know about the Chevrolet Chevelle SS 454, one of the most recognizable and potent versions of the Chevelle. As such, it has become one of the most collectible in the classic car market. But as Autopia recently discussed, there is a Chevrolet Chevelle from 1973 that you may not have heard about. This is the rather outrageous 1973 Chevelle Malibu SS Wagon, a single-year model that became a potent muscle grocery getter.Chevrolet made just a handful of these remarkable machines, and as such, they are one of the rarest forms of Chevelle, with fewer than 75 produced. All of them came with a big 454 ci V8 under the hood, and it was the first and last time that Chevrolet gave the Chevelle wagon the fabled Super Sport badge. The wagon came at the time of rising gas prices, which played a part in only 74 of them ever produced. But it’s a car that should be more regularly talked about, to remind everyone of just how wild it was.HotCars is on the lookout for hidden treasures and classic automotive gems tucked away in barns, garages, or forgotten corners. If you’ve got a vintage beauty waiting to be rediscovered, reach out to us, and let’s showcase your classic car’s untold story to the world. Reach out to us at: barnfinds{@}hotcars.com with details about your classic car. Chevrolet Made The Chevelle SS Wagon Available In 1973 via Mecum Auctions Chevrolet Chevelle SS Malibu Wagon 454 Engine Specs The Chevelle wagon emerged during a challenging period for the nameplate, as sales had declined for two consecutive years in 1971 and 1972. Chevrolet was simultaneously dealing with regulatory pressures that forced power ratings downward, with the legendary LS6 454 V8 dropping to 245 hp for 1971, according to Autopia. The Chevelle lineup was undergoing significant changes as GM worked to meet new safety standards, including the addition of federally mandated 5 mph bumpers that proved controversial among enthusiasts.via Mecum Auctions The 1973 model year brought further refinements beyond just bumper updates. Chevrolet engineers reworked the front suspension geometry and introduced an improved rear suspension design that enhanced cornering stability. By this point, the Chevelle SS had transitioned from a true performance package into primarily a cosmetic offering. The most powerful engine available was the Turbo-Jet 454 V8, producing 245 hp, which could be ordered across most Chevelle variants.via Mecum Auctions What makes the story particularly interesting is Chevrolet's decision to offer the 454 V8 as an option in the Chevelle Malibu wagon. The reasoning behind this unusual pairing remains unclear, but Autopia describes these wagons as a "Holy Grail" for collectors. Production numbers tell the story of just how rare these vehicles became. Chevrolet built approximately 1,500 Chevelle Malibu wagons with the SS package, but only 71 of those received the 454 V8. Most wagon buyers opted for more practical powerplants like the 350 cubic-inch V8.via Mecum Auctions Even the standard Chevelle Malibu SS 454 coupe stands as a rare find, with just 2,500 examples built with the big-block V8. The wagon variant proves nearly impossible to locate on the market today, confirming the limited production run. While the exact production figure of 71 units has never been officially confirmed, it's the number most widely accepted among enthusiasts and historians. This combination of rarity, unusual configuration, and classic Chevelle appeal creates one of the most distinctive Chevrolets ever produced. The 1973 Chevelle Wagon Came During A Rough Patch For The Model via Bring a Trailer What Made The 1973 Chevelle 454 Wagon So Special Enthusiasts estimate that just 71 examples of the Chevelle 454 Wagon were produced It is unclear why Chevrolet made the 454 V8 available as an option for the Chevelle wagon The Chevelle 454 Wagon has become an enigma, with very few ever appearing at auction Chevrolet only made the Chevelle 454 Wagon available for 1973 While the 1973 Chevelle 454 wagon was a remarkable car, as Autopia also discusses, it came during a big decline for the Chevelle. In 1973, the car was no longer “the darling of muscle car fans,” and it was then caught in the changing federal standards of the time. At the peak of the Chevelle SS, the 454 model packed an LS5 V8 good for 360 hp, but that could go even higher. If you opted for the solid lifter and higher compression LS6, that would boost the power up to 450 hp.The Chevelle SS 454 was the most powerful production Chevelle ever made, and at the time, it had more power than that year's Corvette sports car. The early 1970s were when the Chevelle SS was really at its height, able to take on the very best from Ford, Dodge, and Plymouth amid the horsepower wars. The Chevelle, as many people knew and loved it, ended with the Colonnade cars in the early 1970s, which was Chevrolet’s way of ending four-door hardtops and convertibles. This was, however, when Chevrolet dramatically increased the safety of the Chevelle. Chevelle SS 454 Wagons Do Crop Up At Auctions via Bring a Trailer Why The Chevrolet Chevelle Was In Decline In 1973 Chevrolet's 454s were detuned and made much less power after 1973, dropping from 360 hp to 245 hp Rising gas prices meant muscle cars were no longer in favor with the consumer Tightening federal regulations also began to hamper muscle cars The Chevelle SS had become a cosmetics package by 1973 While these wagons are exceptionally rare, they do occasionally surface at auction. A 454-equipped Chevelle wagon crossed the block on Bring a Trailer in 2021, selling for $21,000. More recently, Mecum offered a 1973 example at their Glendale 2023 auction, equipped with the 245 hp 454 V8.The Mecum wagon appeared in impressive condition, wearing a striking red exterior paired with white interior upholstery. With just 62,270 miles showing on the odometer, both the exterior finish and interior appointments presented remarkably well for a vehicle of this age. Chevelle SS 454 Wagons Do Have Collector's Appeal via Orlando Classic Cars 1964-1977 Chevrolet Chevelle Market The Mecum example came well-equipped with power brakes and steering, plus the Z15 SS package that added visual distinction. Additional features included a tilt steering wheel for driver comfort, a Turbo Hydra-Matic three-speed automatic transmission, and a roof-mounted luggage carrier. Four-season air conditioning provided climate control, a desirable feature for a family-hauling wagon.While the final sale price for the Glendale wagon isn't documented, another example that crossed the block at Mecum's Kissimmee auction in 2023 brought $23,100, according to Autopia. These results demonstrate genuine collector interest in the 454 wagon, though values remain surprisingly accessible compared to other muscle car variants. For a vehicle that represents one of Chevrolet's most unconventional offerings from the 1970s, the Chevelle 454 wagon arguably deserves greater recognition among enthusiasts.Sources: Hagerty, Mecum Auctions, Classic.com, Bring a Trailer.