18 Best Gas Additives to Enhance Your Vehicle's Performance

Discover the best gas additive to enhance your vehicle's performance and boost fuel efficiency effortlessly. Unleash your ride's potential today.
18 Best Gas Additives to Enhance Your Vehicle's Performance

Top Quick Picks For You

Superior Budget Option

Heet

Heet

HEET Water Remover & Premium Gas Line Antifreeze is a highly efficient water remover that helps prevent rust and corrosion, making it an affordable and effective choice for budget-conscious consumers.

Best for Engine Performance

Run-Rite Fuel System Cleaner

Run-Rite Fuel System Cleaner

G.D.I Preventive Maintenance Fuel System Cleaner is specifically designed to maximize engine performance by thoroughly cleaning and optimizing fuel systems, making it ideal for those focused on enhancing their engine's capabilities.

Best for Long-term Storage

STA-BIL

STA-BIL

STA-BIL Storage Fuel Stabilizer keeps fuel fresh for up to 24 months, preventing corrosion and ensuring reliable starts after extended storage periods.

Best for Fuel System Cleaning

Chevron Techron Concentrate Plus

Chevron Techron Concentrate Plus

Chevron Techron Concentrate Plus Fuel System Cleaner is renowned for its effectiveness in cleaning fuel systems, eliminating rough idling, and promoting smoother engine operation.

Best Gas Additive

In the ever-evolving world of automotive care, finding the best gas additive can feel like searching for a needle in a haystack. These powerful potions promise to enhance your vehicle's performance, boost fuel efficiency, and even extend your engine's life. With a myriad of options swirling in a vibrant marketplace, let us guide you through this delightful journey to uncover the top contenders that will transform your drive into a smooth and exhilarating experience.

Superior Budget Option: Heet

HEET Water Remover & Premium Gas Line Antifreeze, Removes Water from Fuel System, Prevents Gas-line Freezing, Winter Fuel Additive for Fast Cold Weather Starts, 12 fl. oz.
Highlights
Highly efficient filtering
Prevents rust & corrosion
Safe for all 4-cycle engines

When it comes to keeping your fuel line clean and free of pesky water, HEET Water Remover & Premium Gas Line Antifreeze stands out as our "Superior Budget Option." With its highly efficient filtering system, this product not only absorbs excess moisture but also protects your engine from rust and corrosion .

Imagine smoother engine operation and long-lasting performance at an affordable price !

Safe for all 4-cycle engines, including fuel-injected ones, HEET ensures you're safeguarded against those winter freeze-up nightmares .

While it’s a shame it’s not suitable for 2-cycle engines and comes only in a 12 oz bottle, we think it’s a stellar choice for budget-conscious drivers .

Don’t let moisture ruin your ride!

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Price history for Heet on Amazon

Best for Engine Performance: Run-Rite Fuel System Cleaner

G.D.I Preventive Maintenance Fuel System Cleaner for Gasoline Engines - Heavy Duty Fuel Additive - Gas, Valves, Fuel Injector and Carbon Deposit Cleaner - Enhances Engine Performance 2 Kits
Highlights
Maximizes engine performance
Removes stubborn deposits
Enhances fuel efficiency

We’re excited to share our thoughts on the G.D.I Preventive Maintenance Fuel System Cleaner, which we’ve named the Best for Engine Performance !

This powerhouse product is meticulously crafted to elevate your G.D.I. engine's capabilities .

By effectively removing stubborn carbon, sludge, and dirt, it ensures your fuel system remains clean and efficient .

Regular use every 7,500 miles not only optimizes mileage but also enhances valve health .

While it might require consistent application and could be a bit pricier, the benefits—like improved fuel efficiency and overall engine performance—are undeniably worth it .

Trust us; your vehicle will thank you!

Be sure to also check out the best automotive books for more options! Also, here is the price history so you know exactly when to buy!

Price history for Run-Rite Fuel System Cleaner on Amazon

Best for Long-term Storage: 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, 32 oz.
Highlights
Keeps fuel fresh 24 months
No need to drain fuel
Quick, easy starts

When it comes to keeping your fuel fresh, the STA-BIL Storage Fuel Stabilizer truly earns its title as the "Best for Long-term Storage." We love that it extends the life of your gasoline up to 24 months without the hassle of draining your engine .

Whether it's a lawn mower or your cherished classic car, this product ensures quick and easy starts after hibernation .

The versatility to work with all gasoline blends, including ethanol, makes it a standout choice for various engines .

Just remember, it’s best used with fresh fuel .

Say goodbye to stubborn starts, and hello to worry-free storage!

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Price history for STA-BIL on Amazon

Best for Fuel System Cleaning: Chevron Techron Concentrate Plus

Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
Highlights
Improves engine performance
Enhances fuel economy
Easy to use

Chevron Techron Concentrate Plus Fuel System Cleaner has earned our top spot for Fuel System Cleaning !

This powerful formula effectively tackles rough idling and pesky engine issues like surges and hesitations, helping your vehicle run smoother than ever .

With a simple application, this concentrated cleaner enhances cold start performance and ensures your fuel remains stable for up to a year .

Although some users report variable effects depending on their vehicle, regular use can truly boost your engine's performance .

Just a heads up: be mindful of shipping, as it can sometimes arrive damaged .

Overall, it’s a must-try for any vehicle owner!

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Price history for Chevron Techron Concentrate Plus on Amazon

Lucas Oil Fuel Treatment

Lucas Oil 10003 Fuel Treatment - 1 Quart
Highlights
Increases MPG
Cleans fuel system
Enhances power and acceleration

When it comes to finding the best gas additive, Lucas Oil's Fuel Additive is a champion in its category .

With over 21,000 ratings and a stellar 4.8-star average, this product offers an incredible tune-up in a bottle .

It works wonders for both gasoline and diesel engines by effectively cleaning and lubricating the fuel system .

We love how it boosts fuel economy while giving your vehicle that much-needed power and acceleration boost .

Plus, it neutralizes harmful contaminants, which is a game-changer for engine longevity .

Just remember to use it regularly for optimal results—after all, there’s no magic potion here!

Be sure to also check out the best automotive wire tracer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Lucas Oil Fuel Treatment on Amazon

Gumout

Gumout 510011 Multi-System Tune-Up, Fuel Stabilizer Injector Cleaner & Gas Treatment, 16 oz, Full Fuel System Cleaner - Improves Engine Performance, Cleans & Removes Deposits and Residue
Highlights
Revitalizes engine performance
Prevents carbon buildup
Cleans and stabilizes fuel

When it comes to optimizing your engine's performance, Gumout Multi-System Tune-Up shines like a beacon in the auto care universe !

We love how this versatile fuel additive effortlessly cleans GDI injectors and carburetors, maximizing both performance and fuel economy .

Its advanced formula not only prevents carbon buildup but also stabilizes fuel, helping to fend off corrosion .

Whether you're cleaning your car, lawn mower, or any gas engine, this product has your back .

Just add it to your tank or crankcase, and watch your engine revitalize !

It's the ultimate care for those who crave optimal efficiency.

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Price history for Gumout on Amazon

Sea Foam Gas Additive

Sea Foam Motor Treatment SF16 Fuel & Oil Additive, For All Gas & Diesel Engines, 16 oz., 12 Pack
Highlights
Improves fuel efficiency
Multi-use versatility
Cleans engine deposits

Looking to give your vehicle a refreshing boost? Sea Foam Motor Treatment is just the magic potion you need !

By adding this gem to your fuel and oil systems, we can safely clean and lubricate crucial engine areas while enhancing fuel efficiency .

It efficiently tackles those pesky fuel injectors and carburetor deposits, ensuring smooth performance .

Plus, it works wonders in stabilizing gas and diesel for up to two years .

Whether you're using synthetic or conventional oils, Sea Foam has you covered .

Just keep in mind that careful application is key to avoid any unintended oil leaks .

Happy driving!

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Price history for Sea Foam on Amazon

Star Tron

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
Highlights
Works in all engines
Boosts fuel economy
Prevents ethanol issues

When it comes to keeping your engine running smoothly, Star Tron Gas Additive is a must-have in your toolkit .

As an all-round engine solution, it works wonders in any vehicle and with any fuel, which is simply fantastic !

We love how it tackles the notorious ethanol problem—preventing those frustrating fuel economy drops .

Plus, it stabilizes fuel for up to two years, meaning that old gas won't go to waste .

Its ability to disperse water and reduce emissions makes it eco-friendly too !

Just mix it in, and you’re good to go .

While it might require frequent use, the benefits far outweigh that small drawback!

Be sure to also check out the best automotive paint prep cleaner for more options! Also, here is the price history so you know exactly when to buy!

Price history for Star Tron on Amazon

Royal Purple

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
Highlights
Restores fuel economy
Maximizes horsepower
Easy to use

When it comes to reviving your vehicle's performance, Royal Purple’s gas additive is in a league of its own .

With its ability to restore fuel economy and maximize horsepower, we think it’s a game changer for both gasoline and diesel engines .

This concentrated formula not only improves responsiveness but also stabilizes ethanol, making every drive smoother .

While you’ll need to use it regularly for the best results, the benefits outweigh the slight inconvenience .

Yes, the price might vary, but we believe the performance boost you receive is well worth it .

Give your ride the Royal treatment!

Be sure to also check out the best automotive short circuit finder for more options! Also, here is the price history so you know exactly when to buy!

Price history for Royal Purple on Amazon

Heet Gas Additive

Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red
Highlights
Removes water efficiently
Prevents rust and corrosion
Improves engine performance

When it comes to keeping your engine in tip-top shape, Heet is our top pick for gas additives .

As the No.1 selling brand of premium gas-line antifreeze, it absorbs five times more water than regular gas dryers, effectively removing moisture from your fuel system .

This not only prevents rust and corrosion but also enhances your engine’s performance—who doesn’t want that ?

While we appreciate its efficiency, be cautious during handling as the bottle may leak slightly .

Just remember, it's a great solution if you’re not on Catalina Island !

Trust us, your engine will thank you.

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Price history for Heet on Amazon

STP Ultra

STP Ultra 5 In 1 Fuel System Cleaner and Stabilizer, Deep Cleans Fuel System and Fights Engine Friction, 12 FlOz
Highlights
Improves fuel efficiency
Cleans fuel system
Restores engine performance

When it comes to finding the best gas additive, we’re impressed by STP’s formulation .

This potent blend not only deep cleans the entire fuel system but also helps save gas while lowering emissions—a win for both your wallet and the environment! 🚗✨ We love how it lubricates engine parts to restore peak performance, reducing friction for a smoother ride .

Plus, it's compatible with modern gasoline engines, including turbo and hybrid vehicles .

Its ability to prevent ethanol deposits makes it a great choice for engine longevity .

With a solid 4.6-star rating from over 1,700 users, it’s definitely worth considering!

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Price history for STP Ultra on Amazon

B-12 Fuel Injector Cleaner

B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)
Highlights
Improves engine efficiency
Cleans injectors effectively
Quick visible results

When it comes to gaining optimal performance from your engine, the Berryman Products gas additive truly stands out .

With its 100% High-Energy Solvent Technology, we’ve found it to be exceptional in keeping injectors and intake parts squeaky clean .

In our tests, it quickly dissolves gum and varnish, restoring our engine’s sparkle and efficiency faster than we expected .

The ability to efficiently disperse moisture in conventional gasoline further boosts its appeal .

While it does require regular use for best results, the quick and visible improvements make it worth the effort .

So, if you want a smoother ride, this might just be your new best friend!

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Price history for B-12 Fuel Injector Cleaner on Amazon

Star Brite Gas Additive

STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 8 Fl Oz – Treats up to 48 Gals – Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems (14308) , Blue
Highlights
Improves engine performance
Cures ethanol-related issues
Increases fuel economy

When it comes to unleashing your engine's full potential, Star Tron Enzyme Fuel Treatment truly stands out .

We love that it tackles ethanol-related issues head-on, ensuring your vehicle runs smoothly even after extended downtime .

With the ability to maximize fuel economy by keeping your fuel system spotless, this additive transforms the driving experience. Plus, whether you're cruising in a car, sailing a boat, or maintaining a lawn mower, Star Tron has you covered across all engines and fuel types .

Just remember to follow the dosing guidelines to get the best results .

Say goodbye to rough idling and hello to a revitalized ride!

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Price history for Star Brite on Amazon

Hot Shot's Secret

‎Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Injector Cleaner - Increases MPG & Restores Engine Performance
Highlights
Cleans fuel system effectively
Boosts fuel economy
Easy to use

When it comes to gas additives, Hot Shot’s Secret Gasoline Extreme really stands out .

We love how it cleans and protects the entire fuel system—valves, injectors, and more !

After just one treatment, we noticed improved performance, tackling rough idling and boosting fuel economy by up to 7.9% .

While the bottle design could use a little love and some users might not see a significant MPG increase, the simplicity of use (just pour it in!) makes it a winner .

Trust us, your engine will thank you for this powerful dose of P.E.A. technology!

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Price history for Hot Shot's Secret on Amazon

Gumout

Gumout 510013 High Mileage Fuel Injector Cleaner, 6 oz. (Pack of 6)
Highlights
Removes carbon deposits
Improves fuel economy
Oxygen sensor safe

When we dive into the world of fuel additives, Gumout High Mileage Fuel Injector Cleaner stands out for those of us with rides boasting over 75,000 miles .

This product targets pesky carbon deposits lurking in fuel injectors and intake valves, bringing your engine back to life !

After using it regularly every 3,000 miles, we noticed a delightful improvement in fuel economy—it's like giving our car a refreshing boost .

Plus, it’s designed to be oxygen sensor safe, so you won’t have to worry about compatibility with turbocharged or supercharged vehicles .

Just remember, it’s best suited for seasoned engines!

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Price history for Gumout on Amazon

Star Tron Gas Additive

Star 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)
Highlights
Improves fuel economy
Prevents ethanol issues
Works with all engines

When it comes to unleashing your engine's full potential, we recommend Star Tron Enzyme Fuel Treatment .

Using advanced enzyme technology, this additive ensures your engine starts smoothly, even after sitting idle for months .

It tackles ethanol-related woes, offering a smooth ride with better fuel economy .

We love how it keeps every engine—from cars to boats—in tip-top shape while preventing harmful water build-up .

Plus, with a mere ounce per six gallons, it’s an economical choice .

While it may not be a miracle solution for everyone, for us, Star Tron is a worthy companion on the road and beyond!

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Price history for Star Tron on Amazon

Liqui Moly 2030

Liqui Moly 2030 Pro-Line Gasoline System Cleaner, 500 ml, 16.91 Fl Oz (Pack of 1)
Highlights
Improves engine performance
Convenient packaging
Reduces rough idling

When it comes to enhancing engine performance, Liqui Moly's 2030 gas additive stands out as a top contender in the market .

Hailing from Germany, this product packs a punch in a compact 8 x 2.2 x 2.2-inch package .

We've noticed that it significantly reduces rough idling, making your ride smoother and more enjoyable .

Its convenient packaging fits easily into your trunk, ready whenever you need it .

While it might require a few applications for optimal results, we feel the benefits far outweigh any limitations .

Just a heads up—availability might be a bit tricky, but if you can snag it, you won’t regret the boost to your vehicle’s performance!

Be sure to also check out the best seat belt adjuster for more options! Also, here is the price history so you know exactly when to buy!

Price history for Liqui Moly 2030 on Amazon

Lucas Oil Fuel Treatment

Lucas Oil 10977 High Mileage Fuel Treatment - 5.25 Ounce
Highlights
Cleans fuel injectors
Reduces engine deposits
Improves engine performance

When it comes to reviving your aging vehicle, Lucas Oil 10977 High Mileage Fuel Treatment stands out as a stellar choice .

We love how it effectively cleans fuel injectors and keeps them sparkling, while also tackling troublesome deposits in the intake valves and combustion chamber .

Plus, it lubricates essential components, helping to prevent knocking and engine hesitation .

Although it may not drastically improve gas mileage, its benefits are particularly noticeable in older engines, reducing oil contamination .

With a fantastic rating of 4.7 stars from over 700 users, this additive is a brilliant ally for maintaining your car’s performance!

Be sure to also check out the best ignition coils for more options! Also, here is the price history so you know exactly when to buy!

Price history for Lucas Oil Fuel Treatment on Amazon

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