July 1, 2025

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10 Best fuel additives of 2025

Save up to 36% off

Best Choice

1

Archoil

Archoil AR6500 Diesel Treatment (40.6oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles
9.8

Exceptional

Our Rating
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

Sea Foam
SeaFoam SF-16 Motor Treatment 16 oz. Can (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.
9.7

Exceptional

Our Rating

9.9
Precision

9.9
Simple to use

9.5
worth the money
3

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.
9.4

Excellent

Our Rating

9.9
Simple to use

9.7
worth the money

9.5
Long life
4

B-12
B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)
Main highlights

High-Energy Solvent Technology
Contains 100 High-Energy Solvent Technology for superior cleaning of fuel systems.

Ideal for Fuel System Maintenance
Perfect for cleaning injectors, carburetors, and intake ports, enhancing engine performance.

Improved Fuel Efficiency
Customers praise enhanced fuel efficiency and engine responsiveness after use.
9.3

Excellent

Our Rating

9.7
worth the money

9.7
Simple to use

9.5
quality of ingredients
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

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, 8 oz.

36% 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.
9.1

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Stability
7

Gumout
Gumout 510011 Multi-System Tune-Up, 16 oz.
Main highlights

Restores_Performance_and_Fuel_Economy
Gumout 510011 Multi-System Tune-Up enhances engine performance and restores fuel economy by removing carbon deposits.

Versatile_Engine_Compatibility
Ideal for use in gas, ethanol/flex fuel, diesel, and biodiesel engines.

Praised_for_Smooth_Engine_Function
Customers appreciate noticeable improvements in engine smoothness and reduced friction.
8.9

Very Good

Our Rating

9.7
Simple to use

9.5
worth the money

9.1
distance
8

Royal Purple
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
Main highlights

Fuel Efficiency Booster
Restores fuel economy and maximizes horsepower for better performance.

Versatile Engine Compatibility
Ideal for both gasoline and diesel engines, stabilizes ethanol.

Customer Praised Effectiveness
Improves engine responsiveness and smoothness, as noted in reviews.
8.8

Very Good

Our Rating

9.7
Simple to use

8.9
worth the money

8.7
distance
9

STAR BRITE
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

15% Off
Main highlights

All-Engine Fuel Solution
Works in all engines and fuels, ideal for vehicles and tools.

Ethanol Problem Solver
Prevents and cures ethanol-related issues, ensuring better performance.

Highly Praised for Reliability
Customers appreciate its effectiveness in preventing fuel-related problems.
8.5

Good

Our Rating

9.3
worth the money

9.1
distance
10

Gumout
Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
Main highlights

Restores Performance and Economy
Specially formulated to clean carbon deposits, improving engine performance and fuel economy.

Ideal for High Mileage Engines
Best for vehicles with over 75,000 miles, ensuring optimal performance.

Praised for Mileage Boost
Customers report noticeable improvements in mileage and engine smoothness.
8.4

Good

Our Rating

9.9
Simple to use

9.3
worth the money

9.1
distance

10 Best fuel additives of 2025

1

Archoil AR6500 Diesel Treatment (40.6oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles

How do we rank?

How do we rank?

Analyzing top stores

2

SeaFoam SF-16 Motor Treatment 16 oz. Can (3)

9.9

9.9

9.5

3

Lucas Oil 10003 Fuel Treatment - 1 Quart

9.9

9.7

9.5

4

B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)

9.7

9.7

9.5

5

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

9.7

9.5

9.1

6

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, 8 oz.

9.7

9.5

9.5

7

Gumout 510011 Multi-System Tune-Up, 16 oz.

9.7

9.5

9.1

8

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.

9.7

8.9

8.7

9

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

9.3

9.1

10

Gumout 510013W-6PK Fuel System Cleaner, 6 Pack

9.9

9.3

9.1

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