3. Pontiac Sunbird Turbo

The Pontiac Sunbird Turbo brought a dose of excitement to Pontiac’s compact lineup in the ’80s. With its turbocharged four-cylinder engine and front-wheel-drive configuration, it offered surprising performance for its size.
Unfortunately, the Sunbird Turbo lived in the shadow of its more famous sibling, the Firebird, and never gained widespread recognition.
Its combination of quickness and rarity makes it a true forgotten gem among enthusiasts. Read more at Hagerty.