3. Volvo 240
The Volvo 240 stands as a testament to the power of simple, robust engineering. Owners frequently boast about these cars reaching extraordinary mileages well beyond 300,000 miles. Its design prioritizes durability over flash, which sets it apart from many other classics. Compared to other vintage endurance champions, such as the Mercedes W123, the Volvo 240 remains a favorite for those who want an old-school car that just keeps running—no matter the years or miles that pass.