10 Best Quaker State Full Synthetic 5w 20 Motor Oil of 2025

Tested and Reviewed: Top 10 Quaker State Full Synthetic 5w 20 Motor Oil deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Quaker State

Quaker State Full Synthetic 5W-20 Motor Oil, 1 Quart (6 Pack)

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Editor's bottom line:

“This quaker state full synthetic 5w 20 motor oil is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Full synthetic 5W-20 motor oil provides strong engine performance and protection against deposits between oil changes
Ideal for use in modern turbocharged engines and high-performance vehicles like sports cars, SUVs, trucks, and minivans
Designed to deliver more power and less friction, reducing friction to maximize horsepower (compared to Quaker State motor oil)
Provides improved fuel economy (based on the latest industry standard)
Excellent protection against formation of sludge and other harmful deposits (based on Sequence IIIH & VH tests on 0W-20 engine oil)
Delivers high resistance to oxidation, helping keep the oil fresher for longer
Comes with a warranty of up to 10 years or 300,000 miles, whichever comes first*, when you exclusively use Quaker State motor oil
Exceeds the requirements of the following industry specifications: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM requirements: Chrysler MS-6395; GM dexos1 Gen 3; Ford WSS-M2C960-A1
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

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Picked by 397 people today

9.5

Quaker State

Quaker State Full Synthetic 5W-30 Motor Oil, 5 Quart (3 Pack)

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Main Highlights

Full synthetic 5W-30 motor oil provides strong engine performance and protection against deposits between oil changes
Ideal for use in modern turbocharged engines and high-performance vehicles like sports cars, SUVs, trucks, and minivans
Designed to deliver more power and less friction, reducing friction to maximize horsepower (compared to Quaker State motor oil)
Provides improved fuel economy (based on the latest industry standard)
Excellent protection against formation of sludge and other harmful deposits (based on Sequence IIIH & VH tests on 0W-20 engine oil)
Delivers high resistance to oxidation, helping keep the oil fresher for longer
Comes with a warranty of up to 10 years or 300,000 miles, whichever comes first*, when you exclusively use Quaker State motor oil
Exceeds the requirements of the following industry specifications: API SP-Resource Conserving, API SN PLUS, and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM requirements: Chrysler MS-6395; GM dexos1 Gen 3; Ford WSS-M2C961-A1
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

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9.5

Quaker State

Quaker State Motor Oil, 5W-20, 5 Quart (3 Pack)

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Main Highlights

5W-20 motor oil that provides durable wear protection and reduces engine wear
Helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving
Provides corrosion protection against harmful acids generated by engine contaminants
Maintains viscosity from start to finish, providing optimal oil film protection
Combats engine sludge and deposits
Comes with a warranty of up to 10 years or 300,000 miles, whichever comes first*, when you exclusively use Quaker State motor oil
Meets or exceeds the following industry requirements: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM specifications: Chrysler MS-6395; Ford WSS-M2S960-A1
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

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9.2

Valvoline

Valvoline MaxLife High Mileage Full Synthetic 5W-20 Motor Oil 5 Quart

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Main Highlights

Designed for vehicles with 75,000 miles or more, Valvoline MaxLife Full Synthetic High Mileage Motor Oil helps maximize engine life and performance for the many miles still ahead
Formulated with seal conditioners to help prevent oil leaks, reduce oil consumption, and improve fuel economy
Delivers 50% stronger wear protection than industry standards for superior defense against friction and wear
Provides 20% stronger sludge defense than industry standards to protect against harmful buildup and deposits
Offers 2.5X better heat protection than industry standards to safeguard engines in extreme conditions
Meets or exceeds all requirements of: ILSAC GF-7A, API SQ, API SP, API SN with SN PLUS, Resource Conserving and all preceding API and ILSAC gasoline categories. Additional Specifications: Ford WSS-M2C960-A1, Chrysler MS-13340

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9.0

Castrol

Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts

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Main Highlights

6X better wear protection on critical engine parts than industry standards**
1.3X better sludge protection than industry standards*
3X Stronger against viscosity breakdown than leading full synthetic^
Protection for 10,000 miles between oil changes
Meets or exceeds the following specifications: API SP/SN PLUS/SN | ILSAC GF-6 | Meets Ford WSS-M2C945-B1 | Meets Ford WSS-M2C960-A1 |

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8.8

Mobil

Mobil 1 High Mileage Full Synthetic Motor Oil 5W-20, 5 Quart

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Main Highlights

Mobil 1 High Mileage full-synthetic motor oil 5W-20 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes.*
Utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
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
Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
Mobil 1 is specially formulated to help remove sludge and lower engine temperatures

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8.6

Quaker State

Quaker State High Mileage 5W-20 Synthetic Blend Motor Oil (1-Quart, Case of 6)

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Main Highlights

Synthetic blend High Mileage 5W-20 engine oil specially formulated for new or late model SUVs, light vans and trucks, and passenger cars
Delivers protection for vehicles with over 75,000 miles
Helps stop leaks and reduces oil consumption in worn engines.
Active seal conditioning agents help keep seals pliable to prevent leaks and oil loss
Reduces engine wear and combats sludge and deposits
Advanced thermal and oxidative stability to help reduce oil burn-off and maximize power output
Case of six 1-quart bottles
Formulated to exceed industry specifications: ILSAC GF-6A, API SP/SP-Resource Conserving and all previous categories

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8.3

Mobil

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 6-Pack of 1 quarts

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Main Highlights

Mobil 1 advanced full synthetic motor oil 5W-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 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)

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8.1

Valvoline

Valvoline Restore & Protect Full Synthetic 5W-20 Motor Oil 5 Quart

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Main Highlights

The first motor oil to actively restore engine cleanliness and protect against future damage
With continuous use, Valvoline Active Clean Technology removes up to 100% of deposits while Liqui-Shield Technology helps prevent future deposits (*with regular oil changes. In Adapted Sequence IIIH Testing: Piston Deposit Removal)
79% stronger anti-wear protection than industry standards (vs. GF-6 qualified oil)
Minimizes friction between metal surfaces in your engine to help improve fuel economy
The best motor oil for any age vehicle, from your new cars first oil change to high-mileage vehicles
Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN, Resource Conserving, and all preceding API and ILSAC gasoline categories
American made and formulated, from the Original Motor Oil brand trusted for more than 150 years

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8.1

Quaker State

Quaker State 550038290 Advanced Durability 5W-20 Motor Oil - 5 Quart Jug

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Main Highlights

Quaker State Advanced Durability conventional 5W-20 motor oil is engineered to maintain required viscosity from start to finish, providing optimal protection
Ensures two times more wear protection than the industry standard throughout the life of the oil
Advanced Durability 5W-20 engine oil prevents and reduces oil leaks
Excellent protection against rust and corrosion caused by harmful acids generated by engine contaminants
Quaker State motor oil has been in the market for more than 100 years and is one of the most trusted consumer brands in the country

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Our Best Overall Choice

Best Choice

9.7

Quaker State

Quaker State Full Synthetic 5W-20 Motor Oil, 1 Quart (6 Pack)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Full synthetic 5W-20 motor oil provides strong engine performance and protection against deposits between oil changes
Ideal for use in modern turbocharged engines and high-performance vehicles like sports cars, SUVs, trucks, and minivans
Designed to deliver more power and less friction, reducing friction to maximize horsepower (compared to Quaker State motor oil)
Provides improved fuel economy (based on the latest industry standard)
Excellent protection against formation of sludge and other harmful deposits (based on Sequence IIIH & VH tests on 0W-20 engine oil)
Delivers high resistance to oxidation, helping keep the oil fresher for longer
Comes with a warranty of up to 10 years or 300,000 miles, whichever comes first*, when you exclusively use Quaker State motor oil
Exceeds the requirements of the following industry specifications: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
Meets or exceeds the following OEM requirements: Chrysler MS-6395; GM dexos1 Gen 3; Ford WSS-M2C960-A1
For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

Show Price

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