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04/11/2025

If you’ve ever wondered what sets synthetic and conventional oil apart, this article by DFW Distributor in DFW Area will break down the key differences and explain why synthetic oil is the superior choice for engine care.

Motor oil plays a crucial role in keeping your engine running smoothly. It lubricates moving parts, reduces friction, prevents wear, and helps keep the engine clean. When choosing the right oil for your vehicle, you’ll typically have two main options: synthetic oil and conventional oil. While both serve the same basic purpose, they are significantly different in terms of performance, longevity, and overall engine protection. Read on for more information!

Call DFW Distributor in DFW Area at (817) 821-2533 or visit AMSOIL's online store to make the smart choice and pick the best synthetic oil for your engine!

Synthetic vs. Conventional Oil

What is Conventional Oil?

Conventional oil, derived from crude petroleum, undergoes refining to remove impurities but still contains uneven molecules and natural contaminants that can impact engine performance over time. While it provides basic lubrication, it breaks down faster under high heat, struggles in extreme conditions, and thickens in cold weather, making it less effective at startup.

What is Synthetic Oil?

Synthetic oil is man-made and engineered for superior performance, using chemically refined base oils with a uniform molecular structure free from impurities. This allows it to flow efficiently, resist breakdown, and provide better protection against wear and deposits. Enhanced with advanced additives, synthetic oil also prevents sludge buildup, maintains optimal viscosity, and safeguards engine components in extreme conditions.

The continued use of AMSOIL's Signature Series 0W-20 Synthetic Motor Oil, the best synthetic oil in DFW Area, will keep your engine strong for longer!

Key Differences Between Synthetic and Conventional Oil

1. Temperature Stability

A key advantage of synthetic oil is its ability to perform in extreme temperatures. Unlike conventional oil, which thickens in cold weather and delays lubrication, synthetic oil remains fluid for immediate protection. It also resists breakdown under high heat or heavy loads, ensuring longer-lasting performance.

2. Engine Wear Protection

Engines have many moving parts that create friction, leading to wear and reduced efficiency over time. Synthetic oil provides superior lubrication with uniform molecules that form a consistent protective layer, reducing metal-on-metal contact and minimizing wear. Conventional oil, with its uneven molecular structure, offers less consistent lubrication, increasing engine wear and shortening its lifespan.

3. Sludge and Deposit Control

Over time, motor oil breaks down and forms sludge, a thick, sticky substance that clogs engine components and reduces performance. Conventional oil is more prone to sludge formation because it contains natural impurities.

Synthetic oil, however, is designed to resist sludge buildup. It contains detergent additives that help keep the engine clean, preventing deposits from forming and allowing the oil to last longer. This means fewer oil changes and a cleaner-running engine.

4. Longevity and Oil Change Intervals

One of the major advantages of synthetic oil is its longer lifespan. While conventional oil typically needs to be changed every 3,000 to 5,000 miles, synthetic oil can last anywhere from 7,500 to 15,000 miles, depending on the brand and driving conditions.

Because synthetic oil maintains its viscosity and protective properties for longer, it reduces the frequency of oil changes, saving you time and money in the long run.

5. Performance in Extreme Conditions

If you frequently drive in extreme temperatures, tow heavy loads, or engage in high-performance driving, synthetic oil is the better choice. It is specifically formulated to handle the added stress and heat that comes with demanding driving conditions.

Conventional oil, on the other hand, tends to degrade faster under heavy use, increasing the risk of engine damage over time.

6. Cost vs. Long-Term Savings

One of the most common concerns about synthetic oil is its price. It is typically more expensive than conventional oil, but the benefits outweigh the cost.

Since synthetic oil lasts longer, extends engine life, improves fuel efficiency, and reduces the risk of costly repairs, it ultimately saves you money over time. Even though conventional oil is cheaper upfront, more frequent oil changes and potential engine wear can lead to higher long-term costs.

Which Oil is Best for Your Vehicle?

For most drivers, synthetic oil is the better choice because of its superior performance, extended oil change intervals, and enhanced engine protection. It is especially beneficial for:

  • Vehicles with turbocharged or high-performance engines
  • Cars that frequently drive in extreme temperatures
  • Vehicles used for towing or heavy loads
  • Drivers looking for longer oil change intervals and better fuel efficiency

Call DFW Distributor in DFW Area at (817) 821-2533 or visit AMSOIL's online store to place an order on top-quality products that will keep your vehicle in perfect condition.