10 Best octane boosters of 2025

Save up to 43% off

Best Choice

1

Lucas Oil

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

12% Off
9.9

Exceptional

Our Rating

9.9
Simple to use

9.5
worth the money

9.5
distance
- Amazon
How do we rank?

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

2

Klotz
Klotz Higher Octane Booster Fuel Treatment – 1 Gallon KL-628
Main highlights

Stabilizes Flame and Controls Burn Speed
This product stabilizes the flame front and controls burn speed, ensuring efficient combustion and better engine performance.

Ideal for High-Compression Engines
Perfect for high-compression engines requiring high octane fuel, such as classic cars, motorcycles, and performance engines.

Highly Effective Octane Boost
Customers frequently praise its ability to significantly boost octane levels, improve MPG, and maintain engine cleanliness.
9.7

Exceptional

Our Rating

9.5
For small areas

8.9
worth the money

8.9
Aroma
- Amazon
- Walmart
3

Lucas Oil
Lucas Oil 10026 Octane Booster - 15 Ounce

43% 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
- Amazon
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.
9.2

Excellent

Our Rating
- Amazon
5

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.
9.0

Excellent

Our Rating
- Amazon
- Max Warehouse
See Today’s Deals & Prices
6

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

11% Off
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.
8.9

Very Good

Our Rating

9.9
Precision

9.5
Simple to use

9.1
Sheerness
- Amazon
- Max Warehouse
7

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.
8.8

Very Good

Our Rating

9.9
Simple to use

8.9
worth the money

8.9
distance
- Amazon
8

STP
STP Octane Booster, Bottled Fuel System Cleaner Restores Lost Power and Acceleration, 5.25 Oz, STP

43% 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.
8.7

Very Good

Our Rating

9.3
worth the money

9.3
distance
- Amazon
- Max Warehouse
9

104+

104+ Performance(10406-6PK) Octane Boost - Boosts Octane And Cleans injectors To Improve Engine Performance - Improve Gas Mileage - 1 Bottle Treats Up To 18 Gallons, 16 fl. oz. 6 Pack
8.6

Very Good

Our Rating

8.9
worth the money

8.4
distance
- Amazon
10

K&N
K&N Performance+ Octane Booster: Boosts Octane and Improves Engine Performance, 16 Ounce Bottle Treats up to 18 Gallons, 99-2020
Main highlights

Boosts Power and Cleans Fuel System
Increases performance by boosting octane and cleaning fuel injectors.

Ideal for High-Octane Engines
Perfect for vehicles needing high octane without the high cost.

Praised for Cost-Effectiveness
Customers appreciate the savings on fuel costs compared to premium gas.
8.4

Good

Our Rating

9.9
Instruction

9.7
worth the money

9.7
Simple to use
- Amazon

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

2

Klotz Higher Octane Booster Fuel Treatment – 1 Gallon KL-628

9.5

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

Gumout 800001706 Octane Booster - 10 oz.

6

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

9.9

9.5

9.1

7

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

9.9

8.9

8.9

8

STP Octane Booster, Bottled Fuel System Cleaner Restores Lost Power and Acceleration, 5.25 Oz, STP

9.3

9.3

9

104+ Performance(10406-6PK) Octane Boost - Boosts Octane And Cleans injectors To Improve Engine Performance - Improve Gas Mileage - 1 Bottle Treats Up To 18 Gallons, 16 fl. oz. 6 Pack

8.9

8.4

10

K&N Performance+ Octane Booster: Boosts Octane and Improves Engine Performance, 16 Ounce Bottle Treats up to 18 Gallons, 99-2020

9.9

9.7

9.7

Sign up and get exclusive special deals