10. Mercedes-Benz 300SL Gullwing

The Mercedes-Benz 300SL Gullwing is a masterpiece of both design and engineering. Instantly recognizable by its iconic upward-opening doors, the Gullwing was groundbreaking in the 1950s, featuring the world’s first production fuel-injected engine and a lightweight tubular frame.
Its combination of beauty, innovation, and rarity has made it a perennial favorite among collectors. Today, the 300SL Gullwing consistently commands multi-million-dollar results at prestigious auctions. According to Sotheby’s, its desirability remains unmatched, making it one of the most valuable classic cars of all time.