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More than a million buyers drove home in a Chevrolet Impala during 1965 alone – a single-model-year record that’s never been broken. Behind that number sat an engine lineup ranging from a thrifty six-cylinder all the way up to a 425-horsepower 396 Turbo-Jet V8. The photos above, courtesy of Gateway Classic Cars, capture why this generation still turns heads at cruise nights today. Sales records aside, this was a genuinely well-designed car.
Studebaker’s story starts in 1852 as a South Bend, Indiana blacksmith shop that grew into the world’s largest builder of horse-drawn wagons, decades before it ever touched a car. When it finally entered the automobile business in 1902, its first vehicle ran on electricity, not gasoline. By 1966 the automaker was gone, folded a year later into an industrial conglomerate with no connection to cars at all.
This 1940 Chevrolet wears its original pre-war sheet metal but hides a thoroughly modern 355-cubic-inch small-block V8 under the hood, paired with a 4-speed automatic transmission Chevrolet never offered on the real 1940 model. It’s a textbook street rod build: a decades-old body around drivetrain technology that didn’t exist yet when the car was new. The small-block’s legendary tunability is exactly why builders keep reaching for it.
The 1963 Chevy II Nova SS convertible carried Chevrolet’s sportiest badge and bucket seats, floor shifter, and unique trim — but not a single extra horsepower, since the only engine offered that year was a 120-hp inline six. Chevrolet dropped the convertible body from the Nova SS lineup the very next year, making 1963 the only season you could get one with the top down. It’s a rare, six-cylinder oddity hiding behind a performance badge.
Ford’s 221-cubic-inch flathead V8 earned a nickname simply from its horsepower rating: enthusiasts still call it “the 85 horse” engine decades later, even though output actually varied across its production run. This restored 1938 Deluxe, shown here courtesy of Gateway Classic Cars, represents a quiet but important midpoint in that engine’s development, right before a bigger redesign arrived later that year.
1974 marked the final year Plymouth built the Road Runner on its original mid-size platform, with engine options still ranging from a mild 318 up to a 440 big block wearing GTX badges. Production had fallen to 11,555 cars, down from 19,056 the year before, as the muscle car era wound down. The Road Runner nameplate held on one more year on the larger Fury-based B-body before being reduced to a Volare trim package in 1976.
Oldsmobile never built a 383-cubic-inch engine in 1971 – the factory topped out at 455 cubic inches for the 442, the last year it existed as its own model. This Cutlass instead runs a custom stroker build paired with a 4-speed automatic, restored on camera for the Car Warriors reality series. It’s a reminder that some of the most interesting muscle car builds are the ones that ignore the original spec sheet entirely.
Chevrolet’s 1965 Z16 option packed a 396-cubic-inch, 375-horsepower big-block into the Malibu SS body years before a proper big-block platform existed for it. The package included a heavy-duty chassis, reinforced frame, and a Muncie four-speed – no automatic was offered. At nearly 60 percent of a base Malibu’s price, the option itself scared off most buyers before scarcity ever entered the picture.
Buick’s 1957 Roadmaster 75 wasn’t even a full-year model — it arrived mid-cycle in March, fully loaded, riding on a freshly enlarged 364-cubic-inch Nailhead V8. Only 12,250 were built, and just 28 remain registered with the Buick Club of America today. Here’s what made this mid-year Roadmaster stand out. Well-preserved survivors like this one are becoming exceptionally hard to find.
This 1948 Chevrolet sedan left the factory with a 216-cubic-inch six and a three-speed gearbox built for practicality. Decades later, someone dropped in a 454-cubic-inch V8 and a 4-speed, turning a postwar family car into a genuine sleeper. The transformation raises the obvious question: how much else got upgraded along the way?
Chevrolet’s brand-new 1966 Caprice was built for comfort, not speed — until you check the option sheet. Buried at the top sat the RPO L72, a 425-horsepower 427 big block that Chevrolet installed in just 1,856 full-size cars that year. This particular Caprice carries that rare combination under its luxury trim. It’s an odd, rare pairing that still turns heads wherever it shows up today.
A nineteenth-century French physicist’s glass jar of lead and acid still powers every muscle car on the road today. Gaston Plante’s 1859 lead-acid battery set the template that Delco and Detroit’s big-block engines would come to depend on for reliable starts. Here is how a decades-old invention quietly shaped the cars in this trivia list.
The 1966 Jaguar E-Type’s biggest upgrade wasn’t more horsepower, it was everything Jaguar fixed around the engine. A larger 4.2-liter inline six gained real mid-range torque, a fully synchronized gearbox erased the old car’s notoriously balky first gear, and a modernized electrical system made the E-Type as usable as it was beautiful. These photos, courtesy of Gateway Classic Cars, showcase a Series 1 example from the era widely considered the E-Type’s mechanical sweet spot.
The 1975 Oldsmobile Cutlass 4-4-2 arrived just as the muscle car era was winding down, wearing a badge built on 1960s bravado but backed by a 455 V8 rated at a modest 190 horsepower. Buyers could even order the package with a six-cylinder engine, something unthinkable a decade earlier. These photos from Gateway Classic Cars capture a transitional Cutlass caught between its muscle-car past and Detroit’s new economy-first priorities.
The 2008 Dodge Challenger SRT8 launched with a waiting list before most buyers ever sat in one, thanks to a shortened LC platform, a numbered dash plaque, and a 425-horsepower Hemi under the hood. Riding on the same bones as the Chrysler 300 and Dodge Charger, it kept the long-hood look that made the original Challenger famous. Only 6,400 were built for the U.S. market, and nearly every one sold above sticker.