Jul 1, 2026

When it comes to maintaining your vehicle, choosing the right oil matters. Many drivers ask about synthetic and conventional oil and which option works best for their engine. Both types of oil serve the same purpose, but they perform differently under certain conditions.

Understanding how each type works can help you make the right choice for your vehicle and driving habits.

Motor Oil being poured into the engine of a vehicle.

What Is Conventional Oil?

Conventional oil is refined from crude oil and has been used in engines for many years. It provides basic lubrication and protection for your engine’s moving parts.

This type of oil works well for many older vehicles and drivers with simple driving habits. It helps reduce friction, manage heat, and keep the engine running smoothly.

However, conventional oil tends to break down faster over time. This means it usually requires more frequent oil changes.


What Is Synthetic Oil?

Synthetic oil is engineered to provide more advanced protection. It goes through a more refined process that removes impurities and creates a more consistent formula.

Because of this, synthetic oil performs better in extreme temperatures and demanding driving conditions. Many newer vehicles recommend or require a synthetic oil change to maintain proper performance.

Synthetic oil offers:

  • Better protection against engine wear
  • Improved performance in hot and cold weather
  • Longer-lasting lubrication
  • Cleaner engine operation

These benefits make synthetic oil a popular choice for modern drivers.


Key Differences Between Synthetic and Conventional Oil

When comparing synthetic oil vs conventional oil, the main differences come down to performance, longevity, and cost.

Here are the key distinctions:

  • Durability: Synthetic oil lasts longer and breaks down more slowly
  • Performance: Synthetic oil handles extreme temperatures better
  • Cleanliness: Synthetic oil helps keep engines cleaner
  • Cost: Conventional oil costs less upfront, but requires more frequent changes

While conventional oil may save money at first, synthetic oil can provide more long-term value due to its durability.


Why Synthetic Oil Is So Popular Today

More drivers are choosing synthetic oil because modern engines demand higher performance. Today’s vehicles often run at higher temperatures and tighter tolerances, which require better lubrication.

A synthetic oil change helps protect engines under these conditions. It also allows for longer intervals between oil changes, which saves time and reduces maintenance visits.

In addition, synthetic oil improves fuel efficiency in some vehicles. This makes it a practical option for both daily drivers and those who travel long distances.


When Should You Choose Conventional Oil?

Conventional oil can still be a good choice in certain situations. It works well for:

  • Older vehicles designed for conventional oil
  • Drivers with low annual mileage
  • Simple driving conditions without heavy stress on the engine
  • Budget-focused maintenance plans

If your vehicle does not require synthetic oil, conventional oil may meet your needs at a lower cost.


When Should You Choose Synthetic Oil?

Synthetic oil is often the better choice for modern vehicles and demanding driving conditions.

You may benefit from synthetic oil if you:

  • Drive a newer vehicle
  • Experience extreme temperatures
  • Tow or carry heavy loads
  • Spend a lot of time in stop-and-go traffic
  • Want longer intervals between oil changes

A synthetic oil change helps protect your engine and maintain performance over time.


Let Bull Valley Ford Help With Your Oil Change

Choosing between synthetic oil and conventional oil does not have to be complicated. The best option depends on your vehicle and how you drive.

At Bull Valley Ford, our service team can help you decide what works best for your engine. We offer fast, professional oil changes using quality products designed to keep your vehicle running strong.

Schedule your next service appointment online or visit our dealership in Woodstock, IL. You can also call (815) 338-6680 to speak with our team.

Let Bull Valley Ford help you stay on top of your maintenance and keep your engine performing at its best.