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10 Best gasoline additives of 2026
Explore top picks
Best Choice1
Hot Shot's SecretHot Shot's Secret LX4 Lubricity Extreme 1 Gallon, Fuel Treatment for All Engines, Gasoline & Diesel Additive, Fuel Additive Increases Lubricity, Protects & Extends Fuel System Life
9.9Exceptional
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Value for Money2
STA-BILSTA-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, 1 Gallon
9.7Exceptional
Our Rating
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3
STA-BILSTA-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.
9.5Excellent
Our Rating
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4
STA-BILSTA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.
9.3Excellent
Our Rating
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5
Hot Shot's SecretHot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Fuel Injector Cleaner - Increases Fuel Economy & Restores Engine Performance
Key specs-
fuel type:Gasoline
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special features:Deeply cleans, lubricates
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product dimensions:N/A
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item size:N/A
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package dimensions:N/A
9.2Excellent
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6
STAR BRITEStar Tron Enzyme Fuel Treatment - Small Engine Formula - 16 Oz Treats up to 96 Gals, Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems, Improves MPG (014316)
9.0Excellent
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7
Ethanol ShieldEthanol 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
8.8Very Good
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8
STAR BRITEStar brite Star Tron Gasoline Additive (8 oz)
8.7Very Good
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9
Hot Shot's SecretHot Shot's Secret Gasoline Extreme 32 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Injector Cleaner - Increases MPG & Restores Engine Performance
8.6Very Good
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10
K&CompanyK-100 MG All-in-One Gasoline Fuel Treatment & Additive - Eliminates Water, Stabilizes Fuel, and Cleans Engine & Fuel Systems - 32 oz. (K100-G)
8.4Good
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