February 21, 2026

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10 Best gasoline additives of 2026

Save up to 18% off

1

Sea Foam
Sea Foam Motor Treatment Fuel & Oil Additive, SF16, 16 oz, Pack of 3
Main highlights

Versatile Motor Treatment
SeaFoam SF-16 Motor Treatment cleans and lubricates fuel systems, improves engine performance, and is suitable for gas and oil usage.

Ideal for Older Vehicles and Equipment
Best used in older cars, boats, and small engines to resolve issues like rough idling, hesitation, and poor acceleration.

Highly Effective Engine Cleaner
Customers frequently praise its ability to clean engine components, resulting in smoother performance and extended engine life.
9.8

Exceptional

Our Rating

9.9
Precision

9.9
Simple to use

9.5
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

Chevron
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
Main highlights

Effective Fuel System Cleaner
Reduces rough idle, engine surge, hesitation, and spark plug fouling.

Versatile Use Cases
Ideal for cars, motorcycles, lawn mowers, and garden equipment.

Highly Praised Performance
Customers appreciate its ability to improve engine smoothness and fuel efficiency.
9.7

Exceptional

Our Rating

9.7
Simple to use

9.7
materials Quality

9.1
Long life
3

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
Main highlights

Fuel Freshness for 24 Months
Preserves fuel freshness for up to 24 months, perfect for long-term storage.

Ideal for Seasonal Equipment
Perfect for storing vehicles, lawnmowers, and generators during off-season.

Highly Praised for Easy Starts
Users frequently commend its ability to ensure smooth engine starts.
9.5

Excellent

Our Rating

9.5
Simple to use

9.3
worth the money

8.0
dispense easily
4

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
Main highlights

Fuel Freshness for 24 Months
Preserves fuel freshness for up to 24 months, perfect for long-term storage.

Ideal for Seasonal Equipment
Perfect for storing vehicles, lawnmowers, and generators during off-season.

Highly Praised for Easy Starts
Users frequently commend its ability to ensure smooth engine starts.
9.3

Excellent

Our Rating

9.5
Simple to use

9.3
worth the money

8.0
dispense easily
5

Chevron
Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1
Main highlights

Cleans Restores Protects Fuel System
Chevron Techron Concentrate Plus cleans, restores, and protects fuel injectors, carburetors, intake valves, and combustion chambers, enhancing overall vehicle performance.

Ideal for Regular Maintenance
Use every 3,000 miles for automobiles and trucks, or as needed for other gasoline engines like motorcycles, boats, and lawn care equipment.

Highly Praised for Effectiveness
Customers consistently praise its ability to improve engine performance and fuel economy, making it a trusted choice for vehicle maintenance.
9.2

Excellent

Our Rating

9.7
worth the money

9.5
materials Quality

9.1
Simple to use
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6

Chevron
Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1
Main highlights

Cleans Restores Protects Fuel System
Chevron Techron Concentrate Plus cleans, restores, and protects fuel injectors, carburetors, intake valves, and combustion chambers, enhancing overall vehicle performance.

Ideal for Regular Maintenance
Use every 3,000 miles for automobiles and trucks, or as needed for other gasoline engines like motorcycles, boats, and lawn care equipment.

Highly Praised for Effectiveness
Customers consistently praise its ability to improve engine performance and fuel economy, making it a trusted choice for vehicle maintenance.
9.1

Excellent

Our Rating

9.7
worth the money

9.5
materials Quality

9.1
Simple to use
7

Lucas Oil
Lucas Oil 10003 Fuel Treatment - 1 Quart

17% Off
Main highlights

Fuel System Efficiency
Cleans and lubricates the fuel system, improving MPG and reducing emissions.

Versatile Application
Ideal for gasoline and diesel engines, including older engines needing lead replacement.

Customer Praised Performance
Highly effective in restoring engine power and smooth operation.
8.8

Very Good

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
8

Lucas Oil
Lucas Oil 10003 Fuel Treatment - 1 Quart

17% Off
Main highlights

Fuel System Efficiency
Cleans and lubricates the fuel system, improving MPG and reducing emissions.

Versatile Application
Ideal for gasoline and diesel engines, including older engines needing lead replacement.

Customer Praised Performance
Highly effective in restoring engine power and smooth operation.
8.5

Good

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
9

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

18% Off
Main highlights

Keeps Fuel Fresh for 24 Months
Preserves fuel for up to 24 months, ensuring reliable vehicle and equipment storage without fuel degradation.

Ideal for Long-Term Storage
Perfect for storing cars, lawnmowers, and generators, preventing fuel-related issues during extended periods of inactivity.

Praised for Easy Engine Starts
Customers appreciate the ease of starting engines after storage, thanks to its effective stabilization properties.
8.3

Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
10

STA-BIL
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

18% Off
Main highlights

Keeps Fuel Fresh for 24 Months
Preserves fuel for up to 24 months, ensuring reliable vehicle and equipment storage without fuel degradation.

Ideal for Long-Term Storage
Perfect for storing cars, lawnmowers, and generators, preventing fuel-related issues during extended periods of inactivity.

Praised for Easy Engine Starts
Customers appreciate the ease of starting engines after storage, thanks to its effective stabilization properties.
8.1

Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability

10 Best gasoline additives of 2026

1

Sea Foam Motor Treatment Fuel & Oil Additive, SF16, 16 oz, Pack of 3

9.9

9.9

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1

9.7

9.7

9.1

3

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

9.5

9.3

8.0

4

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

9.5

9.3

8.0

5

Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

9.7

9.5

9.1

6

Chevron Techron Concentrate Plus Fuel System Cleaner, 12 oz, Pack of 1

9.7

9.5

9.1

7

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.9

9.7

9.5

8

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.9

9.7

9.5

9

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

9.7

9.5

9.5

10

STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

9.7

9.5

9.5

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