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10 Best Mobil One 5w20 Full Synthetic Motor Oil of 2025

Tested and Reviewed: Top 10 Mobil One 5w20 Full Synthetic Motor Oil deals with expert ratings from 8.1 to a perfect 10

October 2025 Edition

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1

Editor's Choice

9.7

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Mobil

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Editor's bottom line:

“This mobil one 5w20 full synthetic motor oil is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-20 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
Utilizes Mobil 1s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
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 -40 degrees F)
Helps extend engine life by working to prevent damaging deposits and sludge buildup

Picked by 228 people today

2

9.5

Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Mobil

Mobil 1 Extended Performance Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Main Highlights

5W20
1 Quart Bottles
Set of 6

3

9.5

Mobil Full Synthetic High Mileage Motor Oil 5W-20, 1 Quart (6-pack)

Mobil

Mobil Full Synthetic High Mileage Motor Oil 5W-20, 1 Quart (6-pack)

Main Highlights

Mobil Full Synthetic High Mileage 5W-20 motor oil is designed for vehicles with over 75,000 miles, upgrading from a conventional 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 oil leaks, sludge, and deposit formation to help reduce engine wear with a balanced additive system formulation and extra seal conditioner
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

4

9.2

Mobil Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Mobil

Mobil Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Main Highlights

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

5

9.0

Save 8%

Mobil 1-123837 Extended Performance High Mileage 0W-20; 5QT, Gray

Mobil

Mobil 1-123837 Extended Performance High Mileage 0W-20; 5QT, Gray

8% OffFree Shipping

Main Highlights

Mobil 1 Extended Performance High Mileage full-synthetic motor oil 0W-20 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
Utilizes Mobil 1s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
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 -40 degrees F)
Helps extend engine life by working to prevent damaging deposits and sludge buildup

6

8.8

Save 7%

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

Mobil

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

7% OffFree Shipping

Main Highlights

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)

7

8.6

Mobil 1 5W-20 Advanced Synthetic Motor Oil - 1 Quart

Mobil

Mobil 1 5W-20 Advanced Synthetic Motor Oil - 1 Quart

Main Highlights

For best performance, follow the manufacturer's recommendations in your vehicle owners manual.

8

8.3

Save 23%

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

Mobil

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

23% OffFree Shipping

Main Highlights

Guaranteed protection for up to 7,500 miles between oil changes
Provides excellent resistance to oil breakdown for long-lasting protection
Balanced formulation helps prevent engine deposits and sludge buildup

9

8.1

Mobil 1 5 EP5W20

Mobil

Mobil 1 5 EP5W20

Main Highlights

Item Package Dimension: 20L x 20W x 15H inches
Item Package Weight - 30 Pounds
Item Package Quantity - 1
Product Type - MUFFLER
EXCELLENT OVERALL LUBRICATION

10

8.1

Save 10%

Mobil 1 Truck & SUV Oil 5w20 1 Quart

Mobil

Mobil 1 Truck & SUV Oil 5w20 1 Quart

10% OffFree Shipping

Main Highlights

Mobil 1 Truck & SUV Oil 5w20 1 Quart

Our Best Overall Choice

9.7

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Mobil

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

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

Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-20 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.*
Utilizes Mobil 1s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
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 -40 degrees F)
Helps extend engine life by working to prevent damaging deposits and sludge buildup

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Mobil 1 (120455-6PK) High Mileage 5W-20 Motor Oil - 1 Quart, (Pack of 6)

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Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-20, 1 Quart (6-pack)

Special Amazon deal ends in: