The frequency of engine oil changes depends on several factors including the type of vehicle, driving conditions, and the type of oil used. Generally, modern car experts and manufacturers recommend changing engine oil every 5,000 to 7,500 miles (8,000 to 12,000 kilometers) for most cars. Some cars using full synthetic oil can go as far as 10,000 to 15,000 miles (16,000 to 24,000 kilometers) between oil changes. If the driving conditions are severe—such as frequent short trips, stop-and-go traffic, towing heavy loads, or driving in extreme temperatures—more frequent oil changes may be necessary. Additionally, even if mileage is low, it is advised to change the engine oil at least once every six months to a year to prevent oil degradation due to time and moisture buildup in the engine. The best practice is to consult the vehicle’s owner manual for manufacturer-specific recommendations and to check the oil condition regularly. Summary:
- Typical interval: 5,000 to 7,500 miles (8,000 to 12,000 km)
- Full synthetic oil: up to 10,000 to 15,000 miles (16,000 to 24,000 km)
- Severe conditions: more frequent changes
- Time-based change: at least once every 6 to 12 months if low mileage
- Regular oil filter changes are also recommended according to the owner’s manual
Following these guidelines helps maintain engine performance, prevent wear, and extend the life of the vehicle.
