Some heavy-duty diesel trucks, particularly those used for commercial purposes, may accumulate even higher mileage, reaching up to 500,000 miles or more with proper maintenance and care. However, it's important to note that the frequency and type of maintenance required for a diesel truck with high mileage can be more extensive and costly compared to a low-mileage truck.
Factors that can affect the longevity and mileage of a diesel truck include regular servicing, the type of hauling or work it's used for, driving habits, road conditions, climate, and the overall quality of the truck's build and components.
