When you think of Detroit muscle cars, names like the Mustang and Camaro often come to mind. However, the Motor City produced a range of powerful vehicles that have slipped under the radar over the years. Here are nine forgotten Detroit muscle cars that are still waiting for their moment to shine.

Plymouth GTX

The Plymouth GTX was introduced in 1967 as a high-performance version of the Belvedere. Equipped with a powerful 440 Super Commando V8 engine, the GTX was marketed as the “gentleman’s muscle car.” Its blend of performance and luxury made it stand out, yet it never reached the iconic status of its Plymouth sibling, the Road Runner.

Despite its impressive specs, including the 426 Hemi option, the GTX was often overshadowed in the muscle car era. Today, collectors appreciate its rarity and performance, but it hasn’t quite achieved the legendary status it deserves. The model years between 1967 and 1971 remain particularly sought after by enthusiasts.

AMC Rebel Machine

Debuting in 1970, the AMC Rebel Machine was a bold statement with its patriotic red, white, and blue color scheme and its 340-horsepower engine. AMC positioned it as a direct competitor to the likes of the GTO and Chevelle SS, but it never quite caught on with the public.

Its unique styling and limited production numbers have made it a cherished find among collectors today. With only around 2,326 units produced, the Rebel Machine represents a fascinating chapter in AMC’s history and is a testament to the brand’s daring approach to the muscle car market.

Mercury Cyclone Spoiler II

The Mercury Cyclone Spoiler II was built for speed and aerodynamics, designed specifically for NASCAR racing in 1969. Its sleek front end and powerful engine made it a formidable contender on the track, but as a street car, it was less popular.

With only around 519 units ever made, the Spoiler II is a rare gem for collectors and racing enthusiasts. Its limited production was due to NASCAR’s rule changes rather than lack of interest, and today, it stands as a symbol of Mercury’s racing heritage.

Dodge Polara 500

The Dodge Polara 500 was introduced in 1964 as a higher-end version of the standard Polara. With options for powerful engines like the 426 Max Wedge, the Polara 500 was a capable performer, yet it struggled to make a significant impact in the crowded muscle car market.

Despite its underdog status, the Polara 500 is appreciated for its classic styling and performance potential. Collectors today recognize its value, particularly in models equipped with high-performance engine options, making it a hidden gem in the Dodge lineup.

Ford Torino Cobra

Ford introduced the Torino Cobra in 1969 as a more performance-oriented version of the Torino line. It featured a powerful 428 Cobra Jet engine and sporty styling that appealed to muscle car enthusiasts, but it never quite reached the same level of fame as the Mustang or the GT40.

The Torino Cobra’s understated design and impressive performance make it a favorite among those who appreciate classic muscle cars. The 1970 model, with its shaker hood and bold graphics, is particularly revered by collectors today.

Buick GSX Stage 1

The Buick GSX Stage 1 was introduced in 1970 as a high-performance version of the Skylark. With a 455-cubic-inch V8 engine, it was capable of producing 360 horsepower, making it one of the fastest muscle cars of its time.

Despite its impressive performance, the GSX Stage 1 was overshadowed by more popular models like the Chevelle SS and Pontiac GTO. However, its rarity and performance capabilities have made it a sought-after model for collectors, especially those interested in Buick’s muscle car legacy.

Chevrolet Monte Carlo SS 454

The Chevrolet Monte Carlo SS 454 debuted in 1970, offering a blend of luxury and performance with its 454-cubic-inch V8 engine. Although it was marketed as a personal luxury car, the SS 454 package provided serious muscle car credentials.

Despite its potential, the Monte Carlo SS 454 never gained the same recognition as Chevrolet’s other muscle car offerings. Today, it stands out for its unique combination of comfort and performance, making it a desirable choice for enthusiasts seeking something different from the usual muscle car fare.

Oldsmobile Rallye 350

Released in 1970, the Oldsmobile Rallye 350 was designed to be an affordable performance car with its bright Sebring Yellow paint and W-31 350 engine. It offered a stylish alternative to the more expensive muscle cars of the time.

The Rallye 350’s distinctive appearance and budget-friendly nature have made it a cult classic among Oldsmobile fans. With only around 3,547 produced, it remains a rare find, prized for its unique styling and historical significance in the muscle car era.

Pontiac Grand Prix SJ

The Pontiac Grand Prix SJ, particularly the 1969 and 1970 models, combined luxury and performance in a way that few other cars did at the time. Its optional 428 V8 engine and sporty design elements made it a standout, yet it never achieved the same level of fame as other Pontiac models like the GTO.

Collectors appreciate the Grand Prix SJ for its blend of style and power. Its lesser-known status keeps it under the radar, but those in the know value it for its elegant design and potent performance, making it a hidden treasure in Pontiac’s history.