Hitting the 300,000-mile mark isn’t just a badge of honor—it’s a testament to a vehicle’s exceptional engineering and enduring value. Ultra-high-mileage cars are more common than ever, thanks to advances in manufacturing, robust design, and a culture of diligent maintenance. While some vehicles fade long before reaching such milestones, others are built to last, thriving with proper care. Key factors like regular maintenance, thoughtful design, and reputable brands play a crucial role in longevity. This article spotlights twenty remarkable cars that have earned their reputation for going the distance—sometimes twice over. Discover what makes these vehicles stand out in a world where durability truly matters.