10 Best Gas Additives 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 901 products, scanning 4210 reviews, spending more than 36 hours of research and speaking with our test users, we think the Sea Foam SF-16 Motor Treatment is the one of the Best Gas Additive on the market.

# Image Name Brand Price
1
⭐Best Choice
Sea Foam SF-16 Motor Treatment
Sea Foam SF-16 Motor Treatment - 16 oz. Check price Sea Foam $$$$$ Check price
2 Chevron Techron Concentrate Plus Fuel System Cleaner Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz. Check price Chevron $$$$$ Check price
3 STA-BIL 22207 Fuel Stabilizer STA-BIL 22207 Fuel Stabilizer - 16 oz., Red Check price STA-BIL $$$$$ Check price
4 Star Tron Enzyme Fuel Treatment Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 8 oz - Treats 128 Gallons Check price Star Brite $$$$$ Check price
5
💲Best value for the money
Lucas Oil LUC10020 Fuel Treatment
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz Check price Lucas Oil $$$$$ Check price
6
👑Premium Pick
LUCAS LUC10013 10013 Fuel Treatment
LUCAS LUC10013 10013 Fuel Treatment - 1 Gallon Check price LUCAS $$$$$ Check price
7 Star Tron Enzyme Fuel Treatment Star Tron Enzyme Fuel Treatment - Regular Gas Formula 8 oz - Treats 48 Gallons, Model Number: 14308 Check price Star Brite $$$$$ Check price
8 TECHRON TECHRON - 266701317 Techron Concentrate Plus Fuel System Cleaner, 32 oz Check price TECHRON $$$$$ Check price
9 STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Helps Clean Fuel System For Improved In-Season Performance -Treats Up To 80 Gallons, 8 fl. oz. Check price STA-BIL $$$$$ Check price
10 STA-BIL Fuel Treatments STA-BIL Fuel Treatments, Ethanol, 10 Oz. (22264) Check price STA-BIL $$$$$ Check price

Sea Foam SF-16 Motor Treatment – Best Overall Gas Additive

Sea Foam SF-16 Motor Treatment
  • Cleans injectors, carb jets and passageways
  • Cleans and lubricates intake valves, pistons and cylinders
  • Dissolves and cleans fuel residue in fuel systems
  • Dissolves oil deposits in crankcase
  • Clean timing chain tensioners and VVT actuators, quiet noisy lifters
  • 100 percent pure petroleum
  • EPA registered product
  • Liquefies gum and varnish deposits or internal engine contaminants
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions

Chevron Techron Concentrate Plus Fuel System Cleaner

Chevron Techron Concentrate Plus Fuel System Cleaner
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

STA-BIL 22207 Fuel Stabilizer

STA-BIL 22207 Fuel Stabilizer
  • Keeps fuel fresh for up to 24 months during storage
  • Eliminates need to drain fuel prior to storage
  • Ensures quick, easy starts after storage
  • Effective in all gasoline, including ethanol blends
  • For all gasoline engines, including 2-cycle
  • Fit type: Universal Fit

Star Tron Enzyme Fuel Treatment

Star Tron Enzyme Fuel Treatment
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)

Lucas Oil LUC10020 Fuel Treatment – Best Budget Gas Additive

Lucas Oil LUC10020 Fuel Treatment
  • The product is 5, 25 ounce, fuel treatment, for gasoline LPG and diesel fuel, contains no alcohol/solvents/kerosene/diesel fuel, lubricates rings and cylinder walls for longer life, increases mileage, cleans and lubricates valves, pumps, carburetors, and injectors
  • Easy and simple use kit
  • The product is manufactured in china
  • A great tune-up in a bottle
  • Cleans and lubricates the fuel system
  • Neutralizes low sulfur fuel problems
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Increases the life of pumps and injectors

LUCAS LUC10013 10013 Fuel Treatment – Premium Pick

LUCAS LUC10013 10013 Fuel Treatment
  • Fit Type: Vehicle Specific
  • Package Dimensions: 7.23 L x 4.93 H x 5.75 W (inches)
  • Package Weight : 8 pounds
  • Country of Origin : United States

Star Tron Enzyme Fuel Treatment

Star Tron Enzyme Fuel Treatment
  • Cures and prevents ethanol fuel problems
  • Helps prevent phase separation
  • Makes engines start easily, run smooth
  • Stabilizes gasoline for up to 2 years
  • This item is not for sale in Catalina Island

TECHRON

TECHRON
  • Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers)
  • Restores: lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor
  • Reduces: rough idle, engine surge, hesitation, and spark plus fouling
  • Improves: cold start performance, and fuel stability for up to one year
  • Automobiles and trucks use every 3, 000 miles or at your next oil change. All other gasoline engines use as needed (motorcycles, dirt bikes, boats, ATVs, RVs, water craft, lawn care, etc.)

STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer

STA-BIL (22239) 360 Marine Ethanol Treatment and Fuel Stabilizer
  • Helps prevent corrosion above and below the fuel line where no other additive can
  • Ultimate treatment and protection against Ethanol blended fuels
  • Helps clean fuel system to improve performance
  • Stabilizes fuel up to 12 months
  • Helps increase power and fuel efficiency

STA-BIL Fuel Treatments

STA-BIL Fuel Treatments
  • America's #1 Ethanol Treatment
  • Prevents corrosion caused by ethanol blended fuels
  • Increases engine power and efficiency
  • Effective in ethanol and non-ethanol blended fuels
  • Engineered for year round usage.
  • Keeps fuel fresh for up to 12 months
  • Made in the U. S. A.
  • Flash point: 80.0 degrees_celsius

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