10 Best octane boosters of 2025

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Best Choice

1

Lucas Oil

Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid
9.8

Exceptional

Our Rating

9.9
Simple to use

9.5
worth the money

9.5
distance
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Value for Money

2

Bar's Leaks
Rislone 4747-12PK Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack , yellow
Main highlights

Optimum Engine Efficiency and Power
Maintains optimum engine efficiency and power, will not harm catalytic converters or oxygen sensors, and can be used with gasoline and ethanol E10 and E15.

Ideal for Cost-Effective Fuel Upgrades
Perfect for those looking to save money by using 87 octane fuel and supplementing with this product instead of buying higher octane gasoline.

Improved Vehicle Performance
Customers frequently praise the product for making their vehicles run better, smoother, and with improved acceleration and performance.
Key specs
- performance:Maintains optimum engine efficiency
- octane boost:N/A
- cleaning:N/A
- application:Use with gasoline and ethanol
- safe for parts:Will not harm catalytic converters
9.7

Exceptional

Our Rating

9.9
Simple to use

8.9
worth the money

8.9
distance
3

Lucas Oil
Lucas Oil 10026 Octane Booster - 15 Ounce

25% Off
Main highlights

Turbocharges Engine Performance
Genuine performance enhancer that turbocharges your engine, contains specific upper cylinder lubricants, and promotes clean fuel burn for fewer emissions.

Ideal for Non-Ethanol Gasoline
Works best with non-ethanol gasoline to bring up octane levels, suitable for fuel injected and carbureted engines, and safe for turbos and catalytic converters.

Improves Engine Smoothness and Response
Customers praise the product for improving engine smoothness, added response, and eliminating knocks, with noticeable differences in MPG and overall performance.
9.4

Excellent

Our Rating

9.3
worth the money

9.1
distance
4

VP Racing
VP Racing 28555 Octane Booster Unleaded, Pack of 1

38% Off
Main highlights

Octane Boost and Engine Performance
Provides an octane boost up to 5 numbers, enhancing horsepower and reducing engine knocks.

Ideal for Performance Enthusiasts
Perfect for those seeking improved throttle response and acceleration in their vehicles.

Customer Praise for Cleaning Power
Highly praised for effectively cleaning fuel injectors and reducing gum and varnish build-up.
Key specs
- performance:increases horsepower
- octane boost:up to 5 numbers
- cleaning:cleans fuel injectors
- application:unleaded
- safe for parts:N/A
9.2

Excellent

Our Rating
5

STP
STP Octane Booster for Gasoline Fuel Additive, 5.25 oz, Fuel Additive That Raises Octane Levels and Cleans the Fuel Intake System to Restore Lost Power and Acceleration, Help Improve MPG

50% Off
Main highlights

Boosts Octane and Performance
This product effectively boosts octane, reduces knocking and pinging, and helps restore overall engine performance for a smoother driving experience.

Ideal for Premium Gas Replacement
Perfect for cars requiring premium gas, especially in scenarios where high-octane fuel is unavailable. Great for long commutes and performance vehicles.

Improved Fuel Efficiency
Customers consistently praise the noticeable increase in miles per gallon and smoother engine performance across various car models.
Key specs
- performance:Restores performance
- octane boost:Boosts octane
- cleaning:N/A
- application:N/A
- safe for parts:N/A
8.9

Very Good

Our Rating

9.3
worth the money

9.3
distance
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6

STP
STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12
Main highlights

Boosts Octane and Cleans Fuel Intake
This two-in-one formula boosts octane and cleans the fuel intake system, restoring power and acceleration while reducing knocking and pinging.

Ideal for Regular Use in Various Vehicles
Use regularly when you fill up your tank. Compatible with cap-less gas systems, ideal for cars, SUVs, trucks, and motorcycles.

Praised for Improved Performance and Fuel Efficiency
Customers frequently praise the noticeable improvement in performance and fuel efficiency, often reporting better gas mileage and smoother acceleration.
8.8

Very Good

Our Rating

9.9
Precision

9.5
Simple to use

9.1
Sheerness
7

Gumout
Gumout 800001706 Octane Booster - 10 oz.

25% Off
Main highlights

Boosts Octane and Performance
Increases octane level for better engine performance and reduced knocks.

Ideal for High-Performance Vehicles
Perfect for turbocharged and supercharged vehicles needing extra power.

Customer Praise for Emission Reduction
Frequently praised for significantly reducing emissions and improving combustion.
Key specs
- performance:Restores proper combustion
- octane boost:Boosts octane level
- cleaning:Reduces emissions
- application:Turbocharged vehicles
- safe for parts:Oxygen sensor safe
8.6

Very Good

Our Rating
8

104+
104+ Performance (10406) Octane Boost - Boosts Octane And Cleans injectors To Improve Engine Performance - Improve Gas Mileage - 1 Bottle Treats Up To 18 Gallons, 16 fl. oz.

19% Off
Main highlights

Boosts Octane and Cleans Injectors
This octane booster improves engine performance, gas mileage, and treats up to 18 gallons. Made in the U.S.A.

Ideal for Older and High-Performance Vehicles
Perfect for curing engine knock, boosting lower octane gas, and enhancing performance in hot rods, muscle cars, and motorcycles.

Engine Performance Enhancement
Customers frequently praise its ability to smooth engine operation, boost power, and improve gas mileage, especially in older vehicles.
Key specs
- performance:Improve engine performance
- octane boost:Boosts Octane
- cleaning:Cleans injectors
- application:N/A
- safe for parts:N/A
8.5

Good

Our Rating
9

BOOSTane
BOOSTane Professional Octane Booster, Formulated to Increase Octane for High-Performance Race Engines, 32oz (1 Pack)
Main highlights

High Compression and Turbocharged Engines
Ideal for use in high compression engines, turbocharged & blower motors. Anti-corrosion against ethanol. Prevents phase separation. Anti-carbon build up.

Performance Enhancement and Knock Protection
BOOSTane helps raise octane for performance vehicles and provides knock protection in all vehicles. Also helps protect from corrosion from ethanol hydroscopy.

Effective Octane Boost
Customers praise BOOSTane for effectively raising octane levels, improving performance, and preventing engine knock, especially in high-performance and classic vehicles.
Key specs
- performance:High compression engines
- octane boost:Treats from 94 to 116
- cleaning:Cleaning agents
- application:Turbocharged & blower motors
- safe for parts:Anti-corrosion against ethanol
8.4

Good

Our Rating

9.9
Simple to use

8.9
Sheerness

8.7
worth the money
10

Royal Purple

Royal Purple Max Boost Octane Booster - 16 oz.
8.3

Good

Our Rating

10 Best octane boosters of 2025

1

Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid

9.9

9.5

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

Rislone 4747-12PK Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack , yellow

9.9

8.9

8.9

3

Lucas Oil 10026 Octane Booster - 15 Ounce

9.3

9.1

4

VP Racing 28555 Octane Booster Unleaded, Pack of 1

5

STP Octane Booster for Gasoline Fuel Additive, 5.25 oz, Fuel Additive That Raises Octane Levels and Cleans the Fuel Intake System to Restore Lost Power and Acceleration, Help Improve MPG

9.3

9.3

6

STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12

9.9

9.5

9.1

7

Gumout 800001706 Octane Booster - 10 oz.

8

104+ Performance (10406) Octane Boost - Boosts Octane And Cleans injectors To Improve Engine Performance - Improve Gas Mileage - 1 Bottle Treats Up To 18 Gallons, 16 fl. oz.

9

BOOSTane Professional Octane Booster, Formulated to Increase Octane for High-Performance Race Engines, 32oz (1 Pack)

9.9

8.9

8.7

10

Royal Purple Max Boost Octane Booster - 16 oz.

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