Buick built countless comfortable American cars, but a handful have quietly become much more desirable among collectors. Rarity, performance options, distinctive styling, and strong enthusiast interest can make certain Buicks worth far more than their ordinary appearance suggests. These 6 are especially worth a closer look before assuming an old Buick is simply another used-up cruiser.

Buick GNX

The Buick GNX is one of the most valuable Buicks ever built. Its turbocharged V6, performance upgrades, and limited production turned the Regal into a serious performance machine. Many were preserved because enthusiasts quickly recognized their significance. Original, documented examples can command substantial prices today, making the GNX a Buick that is anything but ordinary.

Buick GSX

The GSX gave Buick a genuine muscle-car flagship, combining a powerful V8 with aggressive styling and distinctive graphics. Production was limited, and many examples were modified or driven hard when they were inexpensive used cars. Original GSX models have become highly desirable. A seemingly ordinary Buick GS can therefore deserve a much closer inspection if its equipment and history check out.

Buick Riviera

The Riviera has long been appreciated for its distinctive styling, but certain generations have become increasingly collectible. Elegant bodywork, powerful engines, and upscale interiors give desirable examples considerable appeal. Early Rivieras in excellent original condition can be especially valuable. A well-preserved Riviera is therefore much more than an old luxury coupe and can represent a serious piece of Buick history.

Buick Wildcat

The Wildcat combined big-car comfort with substantial V8 performance, giving Buick a more aggressive image during the muscle-car era. Its powerful engines and distinctive styling have helped preserve collector interest. Many were used extensively rather than stored carefully, making original examples increasingly difficult to find. A clean Wildcat can now be worth considerably more than its ordinary full-size appearance suggests.

Buick Roadmaster Estate Wagon

The Roadmaster Estate Wagon combined rear-wheel-drive American engineering with the practicality of a huge station wagon. Its V8 power and enormous cargo area made it useful for families and long-distance travel. Many were driven hard and modified, reducing the number of original examples. Today, clean wagons with desirable equipment are increasingly attractive to collectors seeking unusual American classics.

Buick Reatta

The Reatta was an unusual two-seat Buick with hand-finished construction and technology that was advanced for its time. Its limited production makes clean examples considerably less common than mainstream Buicks. The car’s touchscreen controls and distinctive interior also give it historical interest. While values vary widely by condition, an exceptionally well-preserved Reatta can be surprisingly valuable to the right collector.

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*Research for this article included AI assistance, with all final content reviewed by human editors