Top 5 Best Synthetic Oil: Editor Recommended

The 10 Best Synthetic Oil Reviews:

1. Extended Performance Full Synthetic Motor Oil 0W-20

Extended Performance Full Synthetic Motor Oil 0W-20

Mobil 1 Extended Performance full synthetic motor oil 0W-20 is designed to help extend engine life for vehicles of all ages and contains a proprietary blend that protects for up to 20,000 miles between oil changes. Its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup.

This technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit) and low-temperature protection (to -40 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection.

Mobil 1 Extended Performance meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy.

Available in 1-qt. and 5-qt. bottles, Mobil 1 Extended Performance full synthetic motor oil 0W-20 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern vehicles, including high-performance turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks.

Mobil 1 is America’s leading synthetic motor oil brand at retail. recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. (*Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US.

Highlighted Features:

  • Mobil 1 Extended Performance full synthetic motor oil 0W-20 helps to protect your engine from the five factors that can damage engines over time
  • Helps to protect critical engine parts for up to 20,000 miles between oil changes*, controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI), timing chain wear protection while keeping your engine clean and helping your fuel economy
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F)

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2. Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT

Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT

Valvoline SynPower Full Synthetic Motor Oil delivers superior engine protection by fighting the three major causes of engine stress: heat, deposits and wear. That’s because SynPower is the only leading full synthetic formulated with more durable anti-wear additives that stay in the oil longer.

When you want to keep your engine running its best, choose the ultimate protection found in Valvoline SynPower Full Synthetic.

Highlighted Features:

  • Innovative anti-wear additives provide 50% more wear protection than industry standards as tested in the industry Sequence IVA wear test
  • Full synthetic formula for exceptional high and low temperature protection
  • Extra detergents help fight sludge and deposits
  • Superior antioxidants resist motor oil breakdown in extreme conditions

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3. Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil

Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil

ONLY Castrol GTX MAGNATEC IS UNIQUELY FORMULATED TO PROVIDE INSTANT PROTECTION FROM THE MOMENT YOU START. Did you know testing confirms that up to 75% of engine wear occurs during the first 20 minutes of warm up

When your engine stops, oil drains off critical engine parts, but the intelligent molecules in Castrol GTX MAGNATEC don’t – they form an extra layer of protection during warm up, when your engine needs it most, dramatically reducing engine wear and keeping critical parts up to 4X smoother.* * As tested in the industry Sequence IVA wear test.

Highlighted Features:

  • Dramatically reduce engine wear
  • Leave critical engine parts 4X smoother* * As tested in the industry Sequence IVA wear test
  • Superior wear protection on critical engine parts
  • Meets Specifications: API SN Plus, ILSAC GF-5, GM dexos1 Gen 2, Ford WSS-M2C929-A, WSS-M2C946-B1
  • Castrol recommends the use of Bosch oil filters

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4. AmazonBasics Full Synthetic Motor Oil

AmazonBasics Full Synthetic Motor Oil

For best performance, follow the manufacturer’s recommendations in your vehicle owner’s manual. Formulated for longer drain intervals Helps prevent build up that can cause rust and corrosion. Reduces friction for less engine wear High resistance to viscosity and thermal breakdown Helps reduce exhaust emissions.

Highlighted Features:

  • Manufacturer AmazonBasics
  • Product Dimensions 7.75 x 4.25 x 12.5 inches
  • Manufacturer Part Number AM0D533Q
  • 62 in Automotive

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5. Castrol 03060 GTX MAGNATEC 0W-20 Full Synthetic Motor Oil

Castrol 03060 GTX MAGNATEC 0W-20 Full Synthetic Motor Oil

Did you know testing confirms that up to 75% of engine wear occurs during the first 20 minutes of warm up When your engine stops, oil drains off critical engine parts, but the intelligent molecules in Castrol GTX MAGNATEC don’t – they form an extra layer of protection during warm up, when your engine needs it most, dramatically reducing engine wear and keeping critical parts up to 4X smoother. As tested in the industry Sequence IVA wear test.

Highlighted Features:

  • -Dramatically reduce engine wear
  • -Leave critical engine parts 4X smoother* * As tested in the industry Sequence IVA wear test
  • -Superior wear protection on critical engine parts
  • -Unsurpassed level of protection against viscosity breakdown
  • -Unique full synthetic technology to fight against harmful sludge build-up
  • -High level of fuel economy based on US industry standards
  • -API SN; ILSAC GF-5; GM dexos1

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6. Castrol 03128C Edge High Mileage 5W-30 Advanced

Castrol 03128C Edge High Mileage 5W-30 Advanced

Castrol EDGE High Mileage is part of our strongest and most advanced range of full synthetic engine oils. It is engineered with fluid titanium technology to provide superior motor oil strength and help your vehicle to maximize performance. As your car ages, its engine can lose performance and efficiency.

Proper vehicle maintenance is critical to keep an older engine performing at its best. Exceeds manufacturer’s warranty requirements for applications requiring API SN (Resource Conserving) and ILSAC GF-5.

Highlighted Features:

  • Titanium strong for maximum engine performance in vehicles with over 75,000 miles
  • Maximizes short and long term engine performance on high mileage engines
  • Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown
  • Reduces leaks, oil burn off and power-robbing deposits
  • Improves fuel economy

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7. Valvoline High Mileage

Valvoline High Mileage

Valvoline MaxLife is the first motor oil specially formulated to address the unique needs of higher mileage engines. Valvoline MaxLife is a blend of synthetic and premium conventional basestocks with seal conditioning agents, extra cleaning agents, additional anti-wear additives and novel friction modifiers for added protection.

MaxLife provides performance benefits for high mileage, new and re-built engines. If you have over 75,000 miles, it’s time to step up the fight against engine breakdown. Switch to MaxLife Motor Oil, the synthetic blend with more!

Highlighted Features:

  • Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
  • Added detergents help protect against sludge and deposits
  • Premium seal conditioners help treat and prevent leaks
  • Superior antioxidants resist motor oil breakdown in extreme conditions

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8. Valvoline Full Synthetic High Mileage

Valvoline Full Synthetic High Mileage

Valvoline Valvoline Full Synthetic High Mileage with MaxLife Technology Motor Oil is specially formulated for higher mileage engines. Valvoline Full Synthetic High Mileage with MaxLife Technology Motor Oil is formulated with the highest quality synthetic base oils plus special additives to fight the effects of aging and increase the life of your engine.

Highlighted Features:

  • Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
  • Full synthetic formula for exceptional high and low temperature protection
  • Extra detergents help fight sludge and deposits
  • Premium seal conditioners help treat and prevent leaks

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9. Mobil 1 (120769) High Mileage 5W-30 Motor Oil

Mobil 1 (120769) High Mileage 5W-30 Motor Oil

Mobil 1 High Mileage full synthetic motor oil 5W-30 is designed to help extend engine life for high mileage engines of all ages with over 75,000 miles and contains a proprietary blend that protects 10,000 miles between oil changes.

Mobil 1 High Mileage contains a seal conditioner to help reduce oil leaks in higher mileage vehicles, and its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup.

This technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit) and low-temperature protection (to -30 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection.

Mobil 1 High Mileage meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy.

Available in 1-qt. and 5-qt. bottles, Mobil 1 High Mileage full synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern vehicles, including high-performance turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks.

Highlighted Features:

  • For best performance, follow the manufacturer’s recommendations in your vehicle owner’s manual.
  • Excellent overall lubrication and wear protection
  • Outperforms our conventional high mileage oils
  • Helps protect critical engine parts in higher mileage engines
  • Helps reduce the sludge and deposits that conventional oils can leave behind
  • Helps prevent leaks

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10. Mobil 1 FS European Car Formula Full Synthetic Motor Oil 0W-40

Mobil 1 FS European Car Formula Full Synthetic Motor Oil 0W-40

Mobil 1 FS European Car Formula 0W-40 helps to extend engine life, even in severe conditions and protects critical engine parts for up to 10,000 miles between oil changes*. Its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup.

This technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit), and low-temperature protection (to -40 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection. Available in 1-qt. and 5-qt. bottles,

Mobil 1 European Car Formula 0W-40 also helps control oxidation to prevent oil breakdown. Approved for many Mercedes-Benz, VW, Audi, and Porsche vehicles, this formula provides excellent turbocharged engine protection.

Mobil 1 is America’s leading synthetic motor oil brand at retail, recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. (*Protects for 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO Full Synthetic/ 52 weeks ending August 29, 2020)

Highlighted Features:

  • Mobil 1 FS European Car Formula full synthetic motor oil 0W-40 helps to extend engine life even in severe conditions
  • Helps to control oxidation to prevent oil breakdown and maintain excellent viscosity for up to 10,000 miles between oil changes*
  • Provides outstanding engine wear protection and performance with uniform synthetic oil molecules for better friction reduction
  • Keeps your engine running like new by working to prevent damaging deposits and sludge buildup
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (up to -40 degrees F)

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