Best Gas Motor Oils of 2026

David Davis Avatar
David Davis
Last Updated: Jan 21, 2026

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Gas motor oils are essential for keeping engines running smoothly and efficiently. These oils are specially formulated to protect engine parts from wear and tear, reduce friction, and keep engines clean. They come in a range of viscosities and are designed to meet the specific needs of different types of engines, from high-performance sports cars to everyday commuter vehicles. Some gas motor oils are also formulated to improve fuel economy and reduce emissions. With so many options available, it's important to choose the right oil for your vehicle to ensure optimal performance and protection.

At a Glance: Our Top Picks

Valvoline Advanced Full Synthetic Motor Oil Cover #TOP 1
Valvoline Advanced Full Synthetic Motor Oil
ftb score rating icon 9.8
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart Cover #TOP 2
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart
ftb score rating icon 9.7
Valvoline High Mileage Motor Oil with MAXLIFE Technology Cover #TOP 3
Valvoline High Mileage Motor Oil with MAXLIFE Technology
ftb score rating icon 9.5

Top 10 Gas Motor Oils

#TOP 1

Valvoline Advanced Full Synthetic Motor Oil

881150-EA
Gold
5 QT
Valvoline Advanced Full Synthetic Motor Oil Cover
Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT

Valvoline Advanced Full Synthetic Motor Oil provides advanced protection against wear, friction, heat and deposits, offering 40% better wear protection than industry standards and 25% better deposit protection with superior engine cleaning detergents. The oil offers exceptional high/low temperature protection for your engine in all weather conditions. It meets or exceeds all requirements of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN, GM dexos 1 Gen 3. Made and formulated in America to maximize engine life and improve performance.

What We Like
Engine runs smooth and quiet
Improved fuel efficiency
No burning off between changes
Good value for quality
Works well in extreme temperatures
#TOP 2

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart

120758
Gray
5 Quart
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart Cover
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20 is a low-viscosity motor oil that helps improve fuel economy and utilizes Mobil 1's signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness. It meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean. It helps extend engine life by working to prevent damaging deposits and sludge buildup, and provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F).

What We Like
Excellent engine protection
Consistent high quality
Quiet, smooth engine operation
Helps extend engine life
Improved fuel economy

Valvoline High Mileage Motor Oil with MAXLIFE Technology

881163
5 qt (Pack of 1)
Valvoline High Mileage Motor Oil with MAXLIFE Technology Cover
Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT

Valvoline High Mileage Motor Oil with MAXLIFE Technology is a synthetic blend motor oil that provides 40% better wear protection than the industry standard, refreshes aging seals, reduces sludge and deposits, and enhances friction performance. It meets or exceeds all required standards and is American made to maximize your engine's life and improve its performance.

What We Like
Long-lasting engine protection
Reduces oil leaks
Smooth and quiet performance
Affordable price
Trusted brand quality
#TOP 4

Pennzoil Ultra Platinum Full Synthetic Motor Oil

550040856-6PK
Amber/Brown
1 Quart
Pennzoil Ultra Platinum Full Synthetic Motor Oil Cover
Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil, 1 Quart (6 Pack)

The Pennzoil Ultra Platinum Full Synthetic Motor Oil is made from natural gas using Pennzoil's patented gas-to-liquid PurePlus Technology. It delivers complete engine protection, helps save fuel and is carbon neutral. This motor oil provides unsurpassed sludge protection and is trusted to be factory fill in every Chrysler HEMI engine. It is formulated to provide faster low-temperature oil flow and protection in extreme heat, making it suitable for high-performance and luxury car engines. The case contains six 1-quart bottles.

What We Like
Great performance in modern vehicles
Durable and clean oil
Good for temperature extremes
Cost-effective option
Excellent additive package
#TOP 5

Castrol GTX Full Synthetic 0W-20 Motor Oil

15E725
Amber
5 Quarts
Castrol GTX Full Synthetic 0W-20 Motor Oil Cover
Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quarts

Castrol GTX Full Synthetic Motor Oil is a 5-quart jug of 0W-20 viscosity oil that provides maximum protection to help fight the impact of severe conditions that can potentially shorten engine life. It has been proven to dramatically reduce engine wear and offers 1.3X better sludge protection than industry standards. It also provides thermal and oxidation stability with a superior level of protection against viscosity breakdown.

What We Like
Long-term reliability
Affordable price
High quality synthetic
Manufacturer recommended
Extends oil change interval
#TOP 6

Castrol GTX Full Synthetic 5W-30 Motor Oil

15E6DE
Amber
5 Quarts
Castrol GTX Full Synthetic 5W-30 Motor Oil Cover
Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

Castrol GTX Full Synthetic 5W-30 Motor Oil provides superior wear protection, better sludge protection, and thermal and oxidation stability. It offers 6X better wear protection and 1.3X better sludge protection than industry standards, ensuring critical engine parts are well-protected. The full synthetic formula also provides superior sludge cleaning and protection against new formation, making it ideal for use in cars with high mileage or those that experience heavy engine use.

What We Like
Competitive price
Trusted brand reputation
Clean engine performance
Secure packaging
Fast shipping

SYLVANIA Long Life Miniature Bulb for DRL and Back-Up Lights

7443LL.BP2
White
SYLVANIA Long Life Miniature Bulb for DRL and Back-Up Lights Cover
SYLVANIA - 7443 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

The SYLVANIA Long Life Miniature Bulb is an ideal choice for your daytime running lights (DRL) and back-up/reverse lights. These bulbs are designed to last twice as long as other standard miniature bulbs, providing greater safety and lower maintenance. The bulbs are easy to install and show instant results, and should be replaced in pairs to ensure both bulbs burn evenly. With over 100 years of experience, Sylvania is the world leader in automotive lighting, and this product is a testament to their commitment to quality and durability.

What We Like
Easy installation process
Exact OEM fit
Good brightness and color
Affordable price
Secure packaging
#TOP 8

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil

550045347-3PK
1 Gallon
Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil Cover
Shell Rotella T6 Full Synthetic 5W-40 Motor Oil, 1 Gallon (3 Pack)

Shell Rotella Diesel Engine Oil is a full synthetic 5W-40 oil that offers exceptional protection and performance for a wide range of heavy-duty engine applications. With Triple Protection Plus technology, this oil protects against wear, deposits, oil breakdown, and improves low-temperature flow. It also provides enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability. The multi-functional dispersant additives offer an enhanced level of protection against the effects of soot, dirt, and other contaminants. Additionally, this oil has increased shear stability for better viscosity control and optimal engine oil pressure. With its better cold-cranking properties and low-temperature pumpability, it ensures critical engine parts are reached faster. The ergonomic design of the case makes it easy to handle and pour. Lastly, its advanced low ash formulation helps protect the exhaust catalysts and particulate filters found in low-emission vehicles.

What We Like
Reliable engine protection
Excellent delivery and packaging
Good price and value
Suitable for multiple engines
Reduces engine wear
#TOP 9

Mobil 1 High Mileage Synthetic Oil 0W-20

Mobil 1 High Mileage
Gray
5 Quart
Mobil 1 High Mileage Synthetic Oil 0W-20 Cover
Mobil 1 High Mileage Full Synthetic Motor Oil 0W-20, 5 Quart

Mobil 1 High Mileage Oil is specially made for engines with over 75,000 miles, allowing you to drive longer between oil changes—up to 10,000 miles. Its unique Triple Action Formula helps keep your engine running smoothly by protecting and cleaning vital parts. This oil meets the latest standards to prevent issues like low-speed pre-ignition and timing chain wear, which means better engine health and reliability for you. Plus, it offers strong protection against extreme heat and cold, helping your engine perform well in different weather conditions. Using this oil can help maintain your engine’s cleanliness and improve fuel efficiency.

What We Like
Long oil change intervals
Engine cleaning
Prevents timing chain wear
Heat and cold protection
#TOP 10

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil

03084
Amber
5 Quarts
Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil Cover
Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil, 5 Quarts

Features
10X Better High Stress Performance**
3X Stronger Than The Leading Full Synthetic*
Meets Engine Test Requirements Of Chrysler MS 6395 Meets Ford WSS-M2C946-B1 Meets Ford WSS-M2C961-A1
Approved And Licensed Specifications: Exceeds API SQ/SP/SN PLUS/SN ILSAC GF-7 GM Dexos1 Gen 3
20,000 Miles Between Oil Changes***
*Viscosity Breakdown As Measured In Kurt Orbahn Test On 5W-30 Grade
**As Measured In Seq IX Test Under High Load/torque Conditions Vs. API SQ Test Limits
***Or One Year, Whichever Comes First
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is gasoline engine oil?

Motor oil, engine oil, or engine lubricant is any one of various substances that consist of base oils enhanced with various additives, particularly antiwear additives, detergents, dispersants, and, for multi-grade oils, viscosity index improvers. Motor oil is used for lubrication of internal combustion engines.

2. Is natural gas motor oil better?

The benefits of natural gas motor oil Because oil made using GTL technology is free from the contaminants inherent to conventional oils, it generally provides better wear protection, extreme-temperature performance and longevity than conventional oils.

3. Do natural gas engines need special oil?

Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG) engines require specially formulated oils. Mobil Delvac™ Modern CNG/LNG engine oil provides excellent performance and extended drain capability for spark-ignited, CNG- and LNG-fueled engines.

Editor's Notes

During our gas motor oil research, we found 24 gas motor oil products and shortlisted 10 quality products. We collected and analyzed 558,700 customer reviews through our big data system to write the gas motor oils list. We found that most customers choose gas motor oils with an average price of $24.81.

The gas motor oils are available for purchase. We have researched hundreds of brands and picked the top brands of gas motor oils, including Valvoline, Mobil, Pennzoil, Castrol, SYLVANIA. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
David Davis Avatar

David Davis has rich experience as a mechanic and a general repairman in the automotive industry. It has given him plenty of knowledge in automobile repair, auto parts, and all kinds of tools. In his spare time, he enjoys assembling and disassembling parts for cars.