November 3, 2025

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10 Best fuel additives of 2025

Save up to 27% off

Best Choice

1

Chevron
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz. (Pack of 6)
Main highlights

Cleans and Protects Fuel System
Cleans, restores, and protects the entire fuel system including fuel injectors, carburetors, intake valves, and combustion chambers.

Ideal for Regular Maintenance
Recommended for use every 3,000 miles in automobiles and trucks, and as needed for motorcycles, dirt bikes, boats, ATVs, RVs, and lawn care equipment.

Improves Fuel Economy and Performance
Customers frequently praise its ability to improve gas mileage and overall engine performance, citing noticeable differences in smoothness and efficiency.
9.8

Exceptional

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
materials Quality
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

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Ethanol Shield

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack) Keeps Fuel Fresh, Gasoline Treatment Fuel Additive That Protects Fuel System, Gas Stabilizer for Fuel Storage, Antioxidant and Anticorrosive
9.6

Exceptional

Our Rating
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 Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

27% 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.
9.2

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
5

Lucas Oil
Lucas Oil 10003 Fuel Treatment - 1 Quart
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.
8.9

Very Good

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
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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.
8.8

Very Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
7

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.
8.7

Very Good

Our Rating

9.7
worth the money

9.5
materials Quality

9.1
Simple to use
8

STAR BRITE
Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons (014308FF)

22% Off
Main highlights

Enhanced Engine Performance
Star Tron Enzyme Fuel Treatment uses advanced enzyme technology to ensure all engines start easily and run smoothly, even after months of inactivity.

Versatile Application
Ideal for use in cars, boats, RVs, lawn mowers, and all other engines and fuel types, making it a versatile fuel treatment and stabilizer.

Reliable Fuel Stabilization
Customers frequently praise its ability to stabilize fuel for up to 2 years, ensuring engines start easily even after long periods of storage.
8.6

Very Good

Our Rating

9.9
Simple to use

9.9
Stability

9.7
Sheerness
9

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
- Injector Cleaning:N/A
- Performance Enhancements:N/A
- fuel type:N/A
8.4

Good

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
10

Liqui Moly
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )

25% Off
Main highlights

Enhanced Engine Performance
Eliminates starting problems, smoother idling, and better throttle response.

Perfect for Aging Vehicles
Especially beneficial for older cars with fuel injection issues.

User Satisfaction
Praised for noticeable improvements in engine smoothness and power.
Key specs
- product dimensions:N/A
- special features:N/A
- Injector Cleaning:Yes
- Performance Enhancements:Better throttle response
- fuel type:N/A
8.3

Good

Our Rating

9.7
Simple to use

9.1
worth the money

9.1
distance

10 Best fuel additives of 2025

1

Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz. (Pack of 6)

9.9

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Ethanol Shield Fuel Stabilizer, 24 oz (2 Pack) Keeps Fuel Fresh, Gasoline Treatment Fuel Additive That Protects Fuel System, Gas Stabilizer for Fuel Storage, Antioxidant and Anticorrosive

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 Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

9.7

9.5

9.5

5

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.9

9.7

9.5

6

STA-BIL Fuel Stabilizer - 16oz

9.7

9.5

9.5

7

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

9.7

9.5

9.1

8

Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons (014308FF)

9.9

9.9

9.7

9

Lucas Oil 10013 Fuel Treatment - 1 Gallon

9.9

9.7

9.5

10

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )

9.7

9.1

9.1

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