12. Opel Kadett (C/D)
The Opel Kadett (C/D generations) gained widespread popularity for its straightforward engineering and reliable, low-maintenance operation. These virtues made the Kadett a common sight on European roads for decades, as owners appreciated its durability and ease of repair. The Kadett’s unpretentious design contributed to its impressively long service life, ensuring its legacy as a dependable workhorse in households and businesses alike AutoBild.