Oil Service...How Often?

3/15/20252 min read

man refilling motor oil on car engine bay
man refilling motor oil on car engine bay

The frequency of oil changes depends on a few factors, including the type of oil used, your vehicle's make and model, and your driving habits. However, here are some general guidelines to help you determine how often you should change your car’s oil:

1. Traditional (Conventional) Oil:

  • Every 3,000 to 5,000 miles (4,800 to 8,000 km): For vehicles that use conventional oil, it's typically recommended to change the oil every 3,000 to 5,000 miles. However, newer vehicles may be able to go longer, depending on manufacturer recommendations.

2. Synthetic Oil:

  • Every 7,500 to 10,000 miles (12,000 to 16,000 km): Synthetic oil is designed to last longer and perform better at extreme temperatures compared to conventional oil. Many vehicles that use synthetic oil can go up to 7,500 to 10,000 miles between oil changes. Some high-performance vehicles or vehicles using advanced synthetic oils may be able to go even further.

3. Manufacturer Recommendations:

  • Check the Owner’s Manual: The best way to know exactly when to change your oil is by following the recommendations in your vehicle's owner's manual. Some modern cars have oil life monitoring systems that will indicate when it’s time for an oil change. These systems typically track factors like engine temperature, driving conditions, and time, adjusting the recommendation accordingly.

4. Driving Conditions and Habits:

  • Severe Driving Conditions: If you frequently drive in severe conditions, such as:

    • Short trips (under 10 miles per trip),

    • Extreme temperatures (very hot or cold weather),

    • Heavy stop-and-go traffic,

    • Towing or carrying heavy loads, then your oil may degrade faster. In these cases, you may need to change your oil more frequently, typically around every 3,000 to 5,000 miles, even if you're using synthetic oil.

  • Normal Driving Conditions: If you mostly drive on highways or in moderate temperatures with minimal stop-and-go traffic, you may be able to stretch your oil change interval longer, closer to the 7,500–10,000-mile range with synthetic oil.

5. Age of the Vehicle:

  • Older Vehicles: For older vehicles with high mileage, you may want to change the oil more frequently to keep the engine running smoothly and prevent buildup or excessive wear. In these cases, sticking to the 3,000–5,000-mile interval is often recommended.

6. Oil Color and Consistency:

  • Regular Check-ups: You can check the condition of your oil using the dipstick. If it’s dark and thick or if it smells burnt, it’s time for an oil change, even if you haven’t hit the recommended mileage.

Summary Recommendations:

  • Conventional oil: Every 3,000–5,000 miles.

  • Synthetic oil: Every 7,500–10,000 miles.

  • Follow the manufacturer’s recommendations for your specific vehicle, and check for oil life monitoring systems if available.

  • Driving conditions: More frequent oil changes for severe conditions like short trips or extreme weather.

If in doubt, it’s always a good idea to consult your owner’s manual or ask your mechanic for advice tailored to your car’s specific needs!