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Mobil 1 vs Mobil 1 Extended Performance Engine Oil: 10 Key Differences

Choosing the proper engine oil is essential for the health and longevity of your engine. In the Mobil 1 family of synthetic engine oils, Mobil 1 High Mileage full-synthetic and Mobil 1 Extended Performance are popular options. While they share some similarities, their differences can influence your decision.

Mobil 1 synthetic is suitable for most engines and more catalytic converter-friendly due to lower ZDDP ash formation. But includes basic cleaning agents to prevent sludge buildup and maintain engine cleanliness.

Alternatively, Mobil 1 Extended Performance contains concentrations of zinc and phosphorus, making it less catalytic converter-friendly. However, it has higher anti-wear additives such as zinc, phosphorus, boron, and molybdenum.

In this article, we’ll explore the differences between these two engine oils and answer burning questions like whether they can be mixed and suitable for high-mileage cars. Let’s find out the truth.

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Mobil 1 98HC63 5W-30 Synthetic Motor Oil – 1 Quart
  • SuperSyn technology prevents deposits and sludge.
  • Exceptional wear protection for engine longevity.
  • Outstanding thermal and oxidation stability.
  • Enhanced frictional properties for fuel economy.
  • Excellent low-temperature capabilities for quick starts.
Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-30, 5 Quart
  • Extended Engine Protection
  • Prevents Deposits and Sludge
  • Enhanced Fuel Economy
  • Meets Industry Tough Standards
  • Optimal Temperature Performance

Differences Between Mobil 1 and Mobil 1 Extended Performance Engine Oil

Differences Between Mobil 1 and Mobil 1 Extended Performance Engine Oil

Consider several key differences when comparing Mobil 1 High Mileage Synthetic and Mobil 1 Extended Performance engine oil.

  • Viscosity characteristics
  • Catalytic converter friendliness
  • Additive levels
  • Pour point and cold-start performance
  • Cleaning abilities
  • Total base number (TBN)
  • Temperature performance
  • Oil change interval
  • Cost and budget-friendliness

1. Viscosity Characteristics

Mobil 1 High Mileage has a higher kinematic viscosity at 100°C, so it maintains its viscosity better at high temperatures. This is beneficial because high temperatures can cause engine oil to thin out, reducing its ability to lubricate properly.

Conversely, Mobil 1 Extended Performance is thicker at 40°C to 100°C. While this may seem counterintuitive, the oil can perform well in extreme hot and cold temperatures. The lower viscosity index of Mobil 1 Extended Performance allows it to maintain its viscosity over a wider range of temperatures.

2. Catalytic Converter Friendliness

Mobil 1 synthetic, suitable for most engines, is more catalytic converter-friendly due to its lower formation of ZDDP ash. However, Mobil 1 Extended Performance contains lower zinc and phosphorus concentrations, so it’s less catalytic converter-friendly.

This attribute is crucial if you want to avoid potential issues with your emissions system. By reducing the levels of these elements, Mobil 1 helps to protect the catalytic converter and ensure its proper functioning.

3. Additive Levels

Mobil 1 Extended Performance boasts higher concentrations of anti-wear additives, including zinc, phosphorus, boron, and molybdenum. These additives provide enhanced wear protection for your engine, making it an excellent choice if you’re looking for top-notch additive levels.

Alternatively, Mobil 1 Synthetic High Mileage contains a standard ZDDP additives level, which still makes it suitable for most engines.

4. Pour Point and Cold-Start Performance

Mobil 1 Synthetic provides satisfactory cold-start performance but may not be as effective as Mobil 1 Extended Performance in extreme cold conditions.

The Mobil 1 Extended Performance is specifically formulated with a lower pour point, making it better suited for extremely cold weather. This means that if you live in an area with harsh winters, Mobil 1 Extended Performance is the more reliable choice for cold starts.

Its lower pour point ensures the oil flows more easily, allowing for quicker engine lubrication and reducing wear and tear during those crucial initial moments of starting your vehicle in cold temperatures.

5. Cleaning Abilities

If you want to maximize the cleaning abilities of your engine oil, opt for Mobil 1 Extended Performance over Mobil 1 Synthetic.

While both oils have cleaning agents to reduce sludge accumulation and maintain engine cleanliness, Mobil 1 Extended Performance takes it further. Its advanced additives and base oil technology offer superior cleaning abilities compared to Mobil 1 Synthetic.

The advanced cleaning capabilities of Mobil 1 Extended Performance can help remove deposits and contaminants, ensuring optimal engine performance and longevity.

7. Total Base Number (TBN)

If you plan to extend your oil change intervals, the TBN value becomes critical. The Mobil 1 has a standard TBN, which measures its ability to neutralize acidic byproducts. This means it may not last as long between oil changes in TBN.

Alternatively, Mobil 1 Extended Performance boasts a higher TBN, indicating its potential to last longer between oil changes without becoming acidic. The higher TBN of Mobil 1 Extended Performance signifies its ability to maintain its alkalinity for longer.

8. Temperature Performance

Mobil 1 Synthetic is formulated for all-season performance but doesn’t excel in extreme temperature conditions. Meanwhile, Mobil 1 Extended Performance is designed to perform optimally in extreme temperatures.

It can start and function effectively in conditions as low as -40°C. This makes it a more reliable option for those who live in colder climates or frequently encounter freezing temperatures.

9. Oil Change Interval

Mobil 1 Synthetic is recommended for an oil change interval of up to 10,000 miles, providing reliable protection and performance within this standard mileage range.

As opposed to Mobil 1 Extended Performance is specifically designed for extended oil change intervals. It offers protection for up to 15,000 to 20,000 miles, allowing you to drive more miles between oil changes.

This longer interval can be a significant advantage for those who prefer less frequent maintenance. However, oil change intervals should also be based on driving conditions and manufacturer recommendations.

10. Cost and Budget-Friendliness

Mobil 1 Full-Synthetic is the more budget-friendly option, offering quality synthetic oil at a more affordable price than Mobil 1 Extended Performance.

Meanwhile, Mobil 1 Extended Performance may be slightly more expensive but offers extended protection and longer oil change intervals. While this increases the upfront cost, it can offset the additional expense over time.

Mobil 1 vs Mobil 1 Extended Performance: Compare Table

Here’s a comparison table showing the difference between Mobil 1 and Mobil 1 Extended Performance engine oils:

FeatureMobil 1Mobil 1 Extended Performance
Oil Change IntervalUp to 10,000 milesUp to 15,000-20,000 miles
Wear ProtectionGood cold start performanceSuperior wear protection
Cleaning AbilitiesBasic cleaning agentsAdvanced cleaning abilities
Temperature PerformanceAll-season performanceOptimal performance in extreme temperatures (down to -40°C)
Additive LevelsStandard additivesHigher concentrations of wear protection additives (zinc, phosphorous, boron, molybdenum)
Cost and Budget-FriendlinessMore budget-friendlySlightly more expensive, offset by fewer oil changes
Total Base Number (TBN)Standard TBNHigher TBN for potentially longer oil change intervals
Flash PointStandard flash pointHigher flash point for high-temperature conditions

Is Mobil 1 extended performance better than Mobil 1?

Is Mobil 1 extended performance better than Mobil 1

One key factor to consider when comparing Mobil 1 Extended Performance and Mobil 1 is the number of miles the oils are guaranteed to protect critical engine parts.

Mobil 1 Extended Performance is designed to protect up to 20,000 miles between oil changes. This extended mileage assurance is based on extensive field tests, which have proven the effectiveness of its robust formula.

However, Mobil 1 doesn’t have the same coverage and is recommended for the standard oil change interval of around 7,500 miles.

Can I mix Mobil 1 extended performance with regular Mobil 1?

You can easily mix Mobil 1 Extended Performance with regular Mobil 1 without issues. Both oils are compatible with each other and with other Mobil 1 engine oils, such as semi-synthetic, high mileage, and full synthetic motor oils.

This means you can safely mix them without worrying about any negative effects on your engine’s performance or longevity. However, this diluting will reduce the superior performance of the extended-performance oil.

Is Mobil 1 extended performance good for high-mileage cars?

Mobil 1 Extended Performance is an excellent option for high-mileage cars. Its specially formulated blend provides superior protection for engines that have surpassed the 20,000-mile mark.

ExxonMobil recommends this oil for all types of modern gasoline-powered vehicles, including those with high-performance engines. The Mobil 1 Extended Performance engine oils are designed to handle the demands of these engines, including turbocharged, supercharged, and multi-valve FI engines.

Is Mobil 1 synthetic good for 10,000 miles?

Using Mobil 1 synthetic oil for 7500 miles provides exceptional performance and protection for your engine, but you can use it up to 10000 miles. It is specifically designed to withstand the demands of modern engines, offering superior lubrication and reducing friction.

With its extended mileage capabilities, Mobil 1 synthetic oil allows you to go longer between oil changes, saving time and money. However, the 10,000-mile interval is a general guideline and may vary depending on your driving conditions and the manufacturer’s recommendations.

Choose the Perfect Oil for Your Engine: Mobil 1 Synthetic or Extended Performance

Both Mobil 1 and Mobil 1 Extended Performance are high-quality synthetic engine oils that cater to different needs and preferences.

Mobil 1 is an excellent choice for standard oil change intervals, while Mobil 1 Extended Performance shines regarding extended protection, wear prevention, and cleaning abilities.

Your decision should be based on your vehicle type, driving conditions, and willingness to invest in longer-lasting engine protection. Ultimately, choosing the two oils depends on individual needs and preferences.

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 6-Pack of 1 quarts
  • Up to 10,000 miles protection
  • Meets ILSAC GF-6 standards
  • Enhances fuel economy
  • Excellent temperature protection
  • Prevents deposits and sludge
Mobil 1 98KE65 5W-30 Extended Performance Synthetic Motor Oil 1 Quart
  • High-Performance Synthetic Formula
  • Optimal Viscosity for Diverse Applications
  • Exceptional Thermal and Oxidation Stability
  • Extended Engine Life and Wear Protection
  • Meets Stringent Industry Approvals
salinas
salinas

Hey, I'm Salinas, an automotive enthusiast with a deep love for the symphony of engines and the thrill of the open road. My passion for vehicles extends beyond the surface; I specialize in automotive oils, considering them the artist's palette for performance. From tinkering with engines to embracing the latest in automotive technology, I find solace in the ever-evolving world of cars. In this fast-paced realm, I'm on a perpetual quest for innovation and automotive excellence. Check out our about for more info.

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