best synthetic motor oil
Best Synthetic Motor Oil in 2024
No | Image | Name | Price | |
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1 |
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Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart | $27.97 | View |
2 |
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Valvoline Full Synthetic High Mileage with MaxLife Technolog... | $26.97 | View |
3 |
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Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quarts | $23.96 | View |
4 |
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Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT | $26.97 | View |
5 |
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Valvoline European Vehicle Full Synthetic SAE 5W-40 Motor Oi... | $15.94 | View |
6 |
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Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts | $28.98 | View |
7 |
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Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 ... | $20.40 | View |
8 |
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Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts | $23.96 | View |
9 |
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Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5... | $22.96 | View |
10 |
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Castrol GTX High Mileage 5W-20 Synthetic Blend Motor Oil, 5 ... | $22.96 | View |
TOP PICKS 2024
Best Synthetic Motor Oil in 2024
1
PICK

Mobil 1 Advanced Full Synthetic Motor Oil 5W-20, 5 Quart
WHY WE LOVE IT
- Mobil 1 advanced full-synthetic motor oil 5W-20 utilizes Mobil 1’s 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)
$27.97
Buy Now
2
PICK

Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-20 Motor Oil 5 QT
WHY WE LOVE IT
- Full synthetic formula is engineered with Enhanced MaxLife Technology to prevent engine breakdown in vehicles with over 75,000 miles
- Formulated with seal conditioners to prevent and treat oil leaks, Valvoline Full Synthetic High Mileage minimizes oil consumption and maximizes engine life
- 50% better wear protection than the industry standard and 25% extra defense against deposits, sludge, corrosion and rust
- Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN Plus, API SN
- American made and formulated, from the Original Motor Oil brand trusted for more than 150 years
$26.97
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3
PICK

Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quarts
WHY WE LOVE IT
- Superior wear protection on critical engine parts
- 6X better wear protection than industry standards, as measured in the latest Sequence IVA test
- Superior sludge cleaning and protection against new formation
- 1.3X better sludge protection than industry standards, as measured in Sequence VH sludge test vs. API SP limits
- Full synthetic formula provides thermal and oxidation stability
$23.96
Buy Now
4
PICK

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT
WHY WE LOVE IT
- Advanced protection against the four main causes of engine breakdown: wear friction heat and deposits
- 40% better wear protection vs. industry standards as tested in the Sequence IVB engine test
- 25% better deposit protection with superior engine cleaning detergents as tested in the GMOD engine test
- Full synthetic formula offers 24X stronger protection against engine-killing contaminants than the leading full synthetic motor oil
- Meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN Plus, API SN, GM dexos 1 Gen 3
$26.97
Buy Now
5
PICK

Valvoline European Vehicle Full Synthetic SAE 5W-40 Motor Oil 1 QT (Pack of 2)
WHY WE LOVE IT
- The information below is per-pack only
- ADVANCED PROTECTION IN EUROPEAN VEHICLES agains the four main causes of engine breakdown: wear friction heat and deposits
- EXTRA WEAR PROTECTION vs. industry and OEM standards with advanced anti-wear additives
- SUPERIOR PERFORMANCE FOR EUROPEAN gasoline and diesel engines
- EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your engine no matter the climate or driving conditions
$15.94
Buy Now
6
PICK

Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts
WHY WE LOVE IT
- 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
- As measured in Sequence VH sludge test vs. API SP limits
$28.98
Buy Now
7
PICK

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts
WHY WE LOVE IT
- Phosphorus Replacement Technology helps extend emission system life
- Superior dispersancy that fights sludge build up
- Exceptional oil burn-off protection exceeding industry standards*
- Seal conditioners to help reduce leaks
- Advanced additives that minimize engine wear
$20.40
Buy Now
8
PICK

Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts
WHY WE LOVE IT
- Superior wear protection on critical engine parts
- 6X better wear protection than industry standards, as measured in the latest Sequence IVA test
- Superior sludge cleaning and protection against new formation
- 1.3X better sludge protection than industry standards, as measured in Sequence VH sludge test vs. API SP limits
- Full synthetic formula provides thermal and oxidation stability
$23.96
Buy Now
9
PICK

Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts
WHY WE LOVE IT
- Phosphorus Replacement Technology to help extend the life of the emission system
- Superior dispersancy that fights sludge build up
- Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications
- Seal conditioners to help reduce leaks
- Advanced additives that minimize engine wear
$22.96
Buy Now
10
PICK

Castrol GTX High Mileage 5W-20 Synthetic Blend Motor Oil, 5 Quarts
WHY WE LOVE IT
- Phosphorus Replacement Technology to help extend the life of the emission system
- Superior dispersancy that fights sludge build up
- Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications
- Seal conditioners to help reduce leaks
- Advanced additives that minimize engine wear
$22.96
Buy Now