When it’s time for an oil change, many drivers experience sticker shock when they see the cost of synthetic oil compared to conventional oil. While both serve the same purpose—lubricating and protecting your engine—the price difference can make some people wonder if synthetic oil is truly worth the extra cost.
So, what makes synthetic oil so much more expensive? The answer lies in how it’s made, how it performs, and how it benefits your engine in the long run.
What’s the Difference Between Synthetic and Conventional Oil
At a basic level, both synthetic and conventional oil start from the same crude oil base, but the refining and manufacturing process is where they become very different.
Conventional oil is less refined and contains more impurities that can break down faster inside your engine.
Synthetic oil is engineered with a more uniform molecular structure, reducing friction and improving performance in both extreme heat and cold.
Because of this difference, synthetic oil provides better engine protection, longer oil change intervals, and fewer deposits, but the added benefits come at a cost.
Why Does Synthetic Oil Cost More
1. More Advanced Manufacturing and Refining Process
Conventional oil is refined to remove some contaminants, but synthetic oil undergoes a more intensive refining process to eliminate impurities entirely. It is then chemically engineered to have more consistent molecules, making it perform better under stress.
This process is more complex and expensive than refining conventional oil, which contributes to the price.
2. High-Quality Additives for Engine Protection
Synthetic oil isn’t just highly refined oil—it also contains additives that improve lubrication, prevent wear, and reduce sludge buildup.
These additives include:
- Detergents to keep the engine clean.
- Antioxidants to slow down oil degradation.
- Friction modifiers to enhance performance and fuel efficiency.
3. Longer Oil Change Intervals Mean Higher Upfront Costs
While synthetic oil costs more per quart, it lasts much longer than conventional oil. Most synthetic oils can go 7,500 to 10,000 miles (or more), whereas conventional oil usually needs to be changed every 3,000 to 5,000 miles.
If you compare costs over time, you may actually spend less on oil changes with synthetic oil since you don’t have to change it as often.
4. Better Performance in Extreme Temperatures
One of synthetic oil’s biggest advantages is its ability to perform well in extreme conditions.
- In hot weather, it resists breaking down better than conventional oil.
- In cold temperatures, it flows more easily, reducing engine wear during startup.
This makes it the preferred choice for turbocharged engines, performance vehicles, and drivers in extreme climates. Because synthetic oil is engineered to handle these conditions, it comes with a higher price tag.
Is Paying More for Synthetic Oil Worth It
For most drivers, yes—synthetic oil is worth the higher cost because it offers:
- Better engine protection – Reduces wear and tear over time.
- Fewer oil changes – Saves money in the long run.
- Improved fuel efficiency – Reduces friction inside the engine.
- Enhanced performance in extreme weather – Protects your engine in both hot and cold conditions.
If you drive a high-performance or turbocharged vehicle, or if your manufacturer specifically recommends synthetic oil, using anything else could lead to engine damage or void your warranty.
Get Professional Oil Change at EuroPro Automotive
Not sure if synthetic oil is the best choice for your car? Our experts can help you decide based on your vehicle type, driving habits, and manufacturer recommendations. Whether you need a conventional or synthetic oil change, our team ensures your engine gets the protection it needs.
Get expert oil change services and the right oil for your engine. Visit
EuroPro Automotive in Spokane Valley, WA, today!
