Best 5w20 Full Synthetic Oil

Maria Burns | 21-02-2024

Searching for the best Best 5w20 Full Synthetic Oil from top brands like Mobil 1,Quaker State,Pennzoil,Castrol,Valvoline, but unsure where to start? We’re here to help. After extensive research, we’ve selected the top Best 5w20 Full Synthetic Oil and also created a buying guide to assist you in choosing the right one.

We evaluated and tested numerous top-rated products to compile this list of standout Best 5w20 Full Synthetic Oil. Our top recommendation is Mobil 1 Best 5w20 Full Synthetic Oil because of its unmatched performance, quality, and value. However, we have more great options below if you want to explore further. Check out our buying guide as well for expert tips on selecting the ideal Best 5w20 Full Synthetic Oil to suit your needs and budget. With our research backing you, finding your perfect match will be easy.

Top Pick
Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart
Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart
Budget Pick
Quaker State Full Synthetic 5W-20 Motor Oil (5-Quart, Single Pack)
Quaker State Full Synthetic 5W-20 Motor Oil (5-Quart, Single Pack)
Editor Pick
Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (5-Quart, Single)
Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (5-Quart, Single)

Top 10 Best 5w20 Full Synthetic Oil

We researched and compared the top products in the Best 5w20 Full Synthetic Oil category to provide you with these recommendations.

1. Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart
9.8

Mobil 1

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  • Mobil 1 advanced full-synthetic motor oil 5W-20 utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness.
  • Helps protect critical engine parts for up to 10,000 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) and timing chain wear protection while keeping your engine clean and helping to improve 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 temperature protection (to -30 degrees F)

2. Quaker State Full Synthetic 5W-20 Motor Oil (5-Quart, Single Pack)

Quaker State Full Synthetic 5W-20 Motor Oil (5-Quart, Single Pack)
9.5

Quaker State

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  • Full synthetic 5W-20 motor oil provides strong engine performance and protection against deposits between oil changes
  • Provides improved fuel economy (based on the latest industry standard)
  • Designed to provide more performance with superior lubrication flow and pumpability at high and low temperatures (compared to Quaker State conventional and synthetic blend motor oils).
  • Formulated with high resistance to oxidation, keeping the oil fresher for longer.
  • Reduces friction to maximize horsepower (compared to Quaker State conventional and synthetic blend motor oils)
  • Maintains required viscosity from start to finish, providing optimal protection
  • Single 5-quart bottle with ergonomic design for easy handling and pouring
  • Suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.
  • Compatible with biofuels ranging from E10 to E85 and suitable for hybrid vehicles.

3. Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (5-Quart, Single)

Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (5-Quart, Single)
9.1

Pennzoil

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  • Full synthetic 5W-20 engine oil that is made with natural gas and designed for complete protection for top engine performance
  • Helps extend engine life and protects for up to 15 years or 500,000 miles, whichever comes first. Guaranteed* (see Warranty Information in Product Description).
  • Provides better fuel economy (based on the latest industry standards)
  • Pennzoil Platinum 5W-20 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • Single 5-quart bottle with ergonomic design for easy handling and pouring
  • Helps protect engines from loss of power
  • Formulated for modern turbocharged enginesILSAC GF-6A, API SP-RC and all previous categories

4. Castrol Edge High Mileage 5W-20 Advanced Full Synthetic Motor Oil, 5 Quarts

Castrol Edge High Mileage 5W-20 Advanced Full Synthetic Motor Oil, 5 Quarts
8.9

Castrol

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  • Patented Phosphorus Replacement Technology to help extend the life of your emission system
  • 10X better high temperature performance, as measured in Sequence IIIH engine test vs. API SP test limit
  • 6X better wear protection, as measured in latest Sequence IVA engine test
  • 1.4X better sludge protection, as measured in Sequence VH engine test vs. API SP test limit
  • Meets ILSAC GF-6 to prevent low speed pre ignition (LSPI) and timing chain wear protection

5. Pennzoil Platinum High Mileage Full Synthetic 5W-20 Motor Oil for Vehicles Over 75K Miles (5-Quart,

Pennzoil Platinum High Mileage Full Synthetic 5W-20 Motor Oil for Vehicles Over 75K Miles (5-Quart,
8.7

Pennzoil

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  • Full synthetic 5W-20 engine oil designed for vehicles with over 70,000 miles that is made with natural gas
  • Helps extend engine life and protects for up to 15 years or 500,000 miles, whichever comes first. Guaranteed* (see Warranty Information in Product Description).
  • Keeps pistons up to 45% cleaner than the toughest industry standard (based on Sequence IIIH results)
  • Provides unsurpassed wear protection for your engine (based on Sequence IVA wear test using SAE 5W-30)
  • Formulated to deliver less oil burn off than high mileage motor oils made from crude oil
  • Provides better fuel economy (based on the latest industry standards)
  • Single 5-quart bottle with ergonomic design for easy handling and pouring
  • Helps protect horsepower
  • Provides faster low-temperature oil flow and protects in extreme heat
  • Exceeds the requirements of the following industry specifications: API SP-RC and all previous categories; ILSAC GF-6A

6. Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT

Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT
8.5

Valvoline

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  • MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
  • REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents keep motors clean inside
  • ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • AMERICAN MADE & FORMULATED to maximize your engines life and improve its performance

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

Valvoline Advanced Full Synthetic SAE 5W-20 Motor Oil 5 QT
8.3

Valvoline

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  • ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits
  • 40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test
  • 25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test
  • EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your motor no matter the weather conditions
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN

8. Mobil Full Synthetic Motor Oil 5W-20, 5 Quart

  • Mobil Full Synthetic 5W-20 motor oil is formulated for vehicles upgrading from conventional oil or synthetic blend, or requiring full synthetic motor oil
  • Provides guaranteed protection that's 1.5X longer than our conventional and synthetic blend oils, up to 7,500 miles between oil changes*
  • Helps to prevent sludge and deposit formation, to help reduce engine wear, and has balanced additive system formulation
  • Provides excellent resistance to oil breakdown, for proven long-lasting protection, and maintains oil viscosity at high operating temperatures
  • Recommended for all types of gasoline-powered vehicles, including those with turbocharged engines, and meets API SP resource-conserving

9. Valvoline Extended Protection Full Synthetic Motor Oil SAE 5W-20 5 QT

Valvoline Extended Protection Full Synthetic Motor Oil SAE 5W-20 5 QT
7.9

Valvoline

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  • ULTIMATE PROTECTION AGAINST the four main causes of engine breakdown: wear, friction, heat and deposits
  • 10X STRONGER AGAINST OIL BREAKDOWN vs. industry standards as tested in the Sequence IIIH
  • 50% BETTER WEAR PROTECTION than industry standards as tested in the Sequence X engine test
  • SUPERIOR CLEANING AND PERFORMANCE with Dual Defense Additive Technology to keep your engine running like new
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • AMERICAN MADE & FORMULATED to maximize your engines life and improve its performance

9. Valvoline Extended Protection Full Synthetic Motor Oil SAE 5W-20 5 QT

Valvoline Extended Protection Full Synthetic Motor Oil SAE 5W-20 5 QT
7.9

Valvoline

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  • ULTIMATE PROTECTION AGAINST the four main causes of engine breakdown: wear, friction, heat and deposits
  • 10X STRONGER AGAINST OIL BREAKDOWN vs. industry standards as tested in the Sequence IIIH
  • 50% BETTER WEAR PROTECTION than industry standards as tested in the Sequence X engine test
  • SUPERIOR CLEANING AND PERFORMANCE with Dual Defense Additive Technology to keep your engine running like new
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • AMERICAN MADE & FORMULATED to maximize your engines life and improve its performance

Maria Burns

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