February 21, 2026

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10 Best fuel additives of 2026

Save up to 17% off

1

Lucas Oil
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Main highlights

Cleans and Lubricates Fuel System
Contains detergents and additives to clean and lubricate fuel system components.

Ideal for High Mileage Vehicles
Best suited for vehicles needing improved fuel efficiency and power.

Praised for Restoring Engine Performance
Customers appreciate the product's ability to restore smooth power delivery.
Key specs
- product dimensions:7.23 x 5.75 x 4.93 inches
- special features:Cleans and Lubricates Fuel System
- fuel type:N/A
- item size:N/A
- package dimensions:N/A
9.8

Exceptional

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
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

Lucas Oil
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Main highlights

Cleans and Lubricates Fuel System
Contains detergents and additives to clean and lubricate fuel system components.

Ideal for High Mileage Vehicles
Best suited for vehicles needing improved fuel efficiency and power.

Praised for Restoring Engine Performance
Customers appreciate the product's ability to restore smooth power delivery.
Key specs
- product dimensions:7.23 x 5.75 x 4.93 inches
- special features:Cleans and Lubricates Fuel System
- fuel type:N/A
- item size:N/A
- package dimensions:N/A
9.6

Exceptional

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
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.
9.4

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.
9.2

Excellent

Our Rating

9.5
Simple to use

9.3
worth the money

8.0
dispense easily
5

STA-BIL
STA-BIL Fuel Stabilizer - 16oz
Main highlights

Preserves Fuel Freshness up to 24 Months
Keeps fuel fresh for up to 24 months, preventing degradation and ensuring quick, easy starts for stored vehicles and equipment.

Ideal for Seasonal Equipment Storage
Perfect for storing gasoline in lawnmowers, generators, boats, and recreational vehicles, protecting the fuel system from corrosion and degradation.

Highly Praised for Easy Engine Starts
Customers frequently commend the product for ensuring engines start smoothly after long storage periods, enhancing reliability and performance.
9.1

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
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6

STA-BIL
STA-BIL Fuel Stabilizer - 16oz
Main highlights

Preserves Fuel Freshness up to 24 Months
Keeps fuel fresh for up to 24 months, preventing degradation and ensuring quick, easy starts for stored vehicles and equipment.

Ideal for Seasonal Equipment Storage
Perfect for storing gasoline in lawnmowers, generators, boats, and recreational vehicles, protecting the fuel system from corrosion and degradation.

Highly Praised for Easy Engine Starts
Customers frequently commend the product for ensuring engines start smoothly after long storage periods, enhancing reliability and performance.
9.0

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
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.
8.7

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.
8.4

Good

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
9

Lucas Oil
Lucas Oil 10020 Upper Cylinder Lube/Fuel Treatment - 5.25 fl oz.
Main highlights

Fuel System Lubrication and Cleaning
Cleans and lubricates the fuel system, including fuel injectors, carburetor, and combustion chamber. Neutralizes sulfur and other harmful contaminants, improving fuel economy and engine performance.

Versatile Application for Various Engines
Ideal for gasoline and diesel engines, including cars, trucks, lawnmowers, boats, and motorcycles. Suitable for both high RPM and heavy-duty applications.

Improved Engine Performance and Smooth Operation
Customers frequently praise the product for improving engine performance, reducing rough running, and preventing issues like sputtering and stalling.
8.3

Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Long life
10

Lucas Oil
Lucas Oil 10020 Upper Cylinder Lube/Fuel Treatment - 5.25 fl oz.
Main highlights

Fuel System Lubrication and Cleaning
Cleans and lubricates the fuel system, including fuel injectors, carburetor, and combustion chamber. Neutralizes sulfur and other harmful contaminants, improving fuel economy and engine performance.

Versatile Application for Various Engines
Ideal for gasoline and diesel engines, including cars, trucks, lawnmowers, boats, and motorcycles. Suitable for both high RPM and heavy-duty applications.

Improved Engine Performance and Smooth Operation
Customers frequently praise the product for improving engine performance, reducing rough running, and preventing issues like sputtering and stalling.
8.2

Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Long life

10 Best fuel additives of 2026

1

Lucas Oil 10013 Fuel Treatment - 1 Gallon

9.9

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Lucas Oil 10013 Fuel Treatment - 1 Gallon

9.9

9.7

9.5

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

STA-BIL Fuel Stabilizer - 16oz

9.7

9.5

9.5

6

STA-BIL Fuel Stabilizer - 16oz

9.7

9.5

9.5

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

Lucas Oil 10020 Upper Cylinder Lube/Fuel Treatment - 5.25 fl oz.

9.7

9.5

9.5

10

Lucas Oil 10020 Upper Cylinder Lube/Fuel Treatment - 5.25 fl oz.

9.7

9.5

9.5

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