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Best Fuel Additive For Mpg (2024 Updated)

If you’re looking for ways to improve your vehicle’s fuel efficiency, then you may have heard of fuel additives for MPG. These products feature unique formulas designed to improve the overall performance of your car, truck, or SUV while simultaneously maximizing fuel economy. However, before you invest in any fuel additive, there are a few factors to consider to ensure you’re making the best decision for your vehicle.

First and foremost, you need to be sure the fuel additive you choose is compatible with your vehicle. Some products may not be suitable for certain engine types or vehicles, so make sure you do your research before making a purchase. Additionally, you may want to consider which type of fuel additive is best suited for your needs, as there are several different types – including those designed to improve fuel economy, engine performance, and overall vehicle maintenance.

Before taking the plunge and investing in a fuel additive for MPG, ask yourself a few questions. Are you interested in lowering your fuel costs? Do you want to improve the performance and lifespan of your vehicle? Or, are you simply looking for an effective way to maintain your engine and other critical components? By taking the time to consider these key factors, you can make an informed choice when selecting the right fuel additive for your vehicle. So why wait? Start exploring your options today and take your driving experience to the next level!

10 Best Fuel Additive For Mpg

# Product Image Product Name Product Notes Check Price
1
Ideal for rejuvenating and stabilizing old gasoline, preventing ethanol problems, improving fuel efficiency, and treating small engine fuels.
2
It is ideal for diesel engines to boost performance, improve fuel economy, and reduce emissions.
3
Ideal for rejuvenating and stabilizing old gasoline, curing ethanol problems, improving MPG, reducing emissions, and increasing horsepower.
4
This product is ideal for preventing corrosion, improving engine power and fuel efficiency, and treating ethanol blended fuel.
5
The product is ideal for improving diesel engine performance and reducing emissions.
6
Ideal for boosting diesel engine performance and protecting against wear, deposits, and corrosion.
7
The product is ideal for improving diesel fuel system performance and cleaning diesel fuel injectors.
8
The product is ideal for improving the performance of diesel vehicles by acting as an additive.
9
It's ideal for stabilizing gasoline and reducing hydrocarbon and nitrogen oxide emissions in power equipment.
10
It is ideal for improving diesel fuel performance and treating 30 gallons per bottle.
Ideal for rejuvenating and stabilizing old gasoline, preventing ethanol problems, improving fuel efficiency, and treating small engine fuels.
It is ideal for diesel engines to boost performance, improve fuel economy, and reduce emissions.
Ideal for rejuvenating and stabilizing old gasoline, curing ethanol problems, improving MPG, reducing emissions, and increasing horsepower.
This product is ideal for preventing corrosion, improving engine power and fuel efficiency, and treating ethanol blended fuel.
The product is ideal for improving diesel engine performance and reducing emissions.
Ideal for boosting diesel engine performance and protecting against wear, deposits, and corrosion.
The product is ideal for improving diesel fuel system performance and cleaning diesel fuel injectors.
The product is ideal for improving the performance of diesel vehicles by acting as an additive.
It's ideal for stabilizing gasoline and reducing hydrocarbon and nitrogen oxide emissions in power equipment.
It is ideal for improving diesel fuel performance and treating 30 gallons per bottle.

1. Fuel Treatment For Small Engines – Star Tron

The Star Tron Enzyme Fuel Treatment Small Engine Formula is a powerful fuel additive that enhances the combustibility of all fuel, providing improved fuel economy and increased engine power. With just 1 oz., you can treat up to 6 gallons of fuel, and the bottle treats a total of 96 gallons of fuel.

This fuel additive is perfect for everyday use and seasonal storage as it can stabilize fuel for up to 2 years and help rejuvenate old, sub-spec fuel. The Star Tron gasoline stabilizer acts as a versatile fuel stabilizer, utilizing enzyme technology to enhance the performance of small engines, power equipment, boats, cars, motorcycles, and more.

In addition to stabilizing fuel, the Star Tron gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance. It is safe for all engines, including those that use 2-stroke pre-mix fuel, and works with regular and ethanol blended gasoline, including E5, E10, E15, E20, E25.

Pros

  • Improves fuel economy and increases engine power
  • Stabilizes fuel for up to 2 years
  • Helps rejuvenate old, sub-spec fuel
  • Acts as a versatile fuel stabilizer
  • Helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems
  • Safe for all engines, including those that use 2-stroke pre-mix fuel
  • Works with regular and ethanol blended gasoline, including E5, E10, E15, E20, E25

2. Stanadyne Performance Formula Diesel Fuel Additive – Pack Of 8 Pint Bottles – Part # 38565

This fuel additive is designed to improve the performance of diesel engines. It contains detergents that clean deposits in the injection system, which helps to restore and increase horsepower. In addition, it has been shown to reduce fuel consumption by an average of 4%, and can provide gains of up to 9.6% in some cases. This is due to the cetane improver, which improves combustion and results in better engine starting, running, and reduced noise. Another benefit is the lubricity improvers, which help to reduce wear and restore lubricity to ultra low sulfur diesel fuels. This product is sold through authorized Stanadyne dealers, such as Diamond Diesel & Turbocharger Service.

If you're looking to improve the performance of your diesel engine, this fuel additive may be worth considering. Its detergents can clean deposits in the injection system, which can help to restore and increase horsepower. Additionally, it has been shown to reduce fuel consumption by an average of 4%, and can provide gains of up to 9.6% in some cases. The cetane improver can improve combustion, resulting in better engine starting, running, and reduced noise. And the lubricity improvers can help to reduce wear and restore lubricity to ultra low sulfur diesel fuels. Keep in mind that this product is sold through authorized Stanadyne dealers, such as Diamond Diesel & Turbocharger Service.

For diesel engine owners looking to improve performance, this fuel additive is a potential solution. The detergents in the formula clean deposits in the injection system, which can help to restore and increase horsepower. It has also been shown to reduce fuel consumption by an average of 4%, with gains of up to 9.6% in some cases. The cetane improver can help to improve combustion, which in turn can lead to better engine starting, running, and reduced noise. Additionally, the lubricity improvers can help to reduce wear and restore lubricity to ultra low sulfur diesel fuels. Keep in mind that this product is only available through authorized Stanadyne dealers, such as Diamond Diesel & Turbocharger Service.

Pros

  • Contains detergents that clean deposits in the injection system
  • Reduces fuel consumption by an average of 4%
  • Cetane improver can improve combustion, resulting in better engine starting, running, and reduced noise
  • Lubricity improvers can help to reduce wear and restore lubricity to ultra low sulfur diesel fuels

3. Enzyme Fuel Treatment: Revive Old Gas, Boost Power

The Star Tron Enzyme Fuel Treatment Concentrate is the ideal fuel additive for those looking to improve the combustibility of their fuel. It helps improve fuel economy and provides more power. The product works by cleaning the fuel delivery system, which helps ensure that engines start easily and run smoothly. Additionally, it is capable of stabilizing fuel for up to two years, making it ideal for both everyday use and seasonal storage.

This gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance. The unique enzyme technology utilized in the formulation of this product helps enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces, and all other small engines.

The concentrated formula #930XX is economical to use in large and small applications. It is safe for use in all engines, including 2-cycle pre-mix and works with ethanol fuel. This versatile fuel stabilizer is highly recommended for those looking to improve the performance of their engines.

Overall, Star Tron Enzyme Fuel Treatment Concentrate is a highly effective fuel additive that helps improve the performance of your engines. It is safe for use in all engines and is capable of stabilizing fuel for up to two years. The unique enzyme technology utilized in the product helps enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces, and all other small engines, making it highly versatile and highly recommended.

Pros

  • Improves the combustibility of fuel, providing more power and better fuel economy
  • Cleans the fuel delivery system, making engines start easily and run smoothly
  • Stabilizes fuel for up to two years, ideal for everyday use and seasonal storage
  • Helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems
  • Utilizes unique enzyme technology to enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces, and all other small engines
  • Safe for use in all engines, including 2-cycle pre-mix, and works with ethanol fuel

4. Fuel Power Pro – Ethanol Treatment & Stabilizer

The STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer is a highly effective fuel additive that is designed to prevent corrosion caused by ethanol blended fuel. It is suitable for use in all gasoline blends, including ethanol and non-ethanol, and helps increase engine power and fuel efficiency. This product is ideal for use in your vehicle, motorcycle, lawn mower, snow blower, boat, generator, and more.

The 32 oz. bottle of this alcohol-free fuel additive is capable of treating up to 160 gallons of fuel, making it a versatile and cost-effective solution for maintaining the performance of your gasoline engine. It is safe to use in all gasoline engines, including 2-cycle, and helps prevent the buildup of unwanted gum and varnish. With regular use, it can keep your engine running at peak performance all year round.

In addition to providing superior protection against ethanol damage, this fuel additive is also engineered for long-term storage. It can stabilize fuel for up to 12 months, making it an excellent choice for those who need to store their fuel for extended periods. The STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer is America's #1 Ethanol Treatment, so you can trust it to keep your vehicle or gasoline-powered small engine equipment in top condition.

The directions for use are straightforward and easy to follow. To measure small quantities, remove the small cap and seal (on the long neck), squeeze the bottle to the desired level, and pour. To measure large quantities, remove the large cap and seal, and pour (measurements are on the side of the bottle). One ounce (30 mL) of this fuel additive treats up to 5 gallons (19 L) of fuel. It is recommended for use at every fill-up during the season for year-round performance and protection.

All STA-BIL branded products have a shelf life of up to 2 years after the bottle is opened. To ensure the best performance, it is recommended to mark the date you opened the bottle on the back of the package. Proudly made in the USA by a family-owned company in Chicago, Illinois, the STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer is an excellent choice for anyone looking to protect their gasoline engine against ethanol damage.

Pros

  • Prevents corrosion caused by ethanol blended fuel
  • Effective in all gasoline blends, including ethanol and non-ethanol
  • Increases engine power and fuel efficiency
  • Treats up to 160 gallons of fuel
  • Safe for use in all gasoline engines, including 2-cycle
  • Prevents the buildup of unwanted gum and varnish
  • Suitable for use in vehicles, motorcycles, lawn mowers, snow blowers, boats, generators, and more
  • Stabilizes fuel for up to 12 months
  • Recommended for use at every fill-up during the season for year-round performance and protection
  • Shelf life of up to 2 years after the bottle is opened
  • Proudly made in the USA by a family-owned company in Chicago, Illinois

5. Stanadyne Performance Formula Diesel Fuel Additive – 16 Oz. Case Of 12

The fuel injector system in a vehicle is prone to build up deposits over time, which can lead to reduced engine performance. This product contains detergents that effectively clean these deposits, therefore restoring and increasing horsepower. It also features a cetane improver that improves combustion, resulting in better engine starting, running, and reduced noise. Moreover, this product includes lubricity improvers that restore lubricity to ultra-low sulfur diesel fuels, reducing wear on the engine. Additionally, tests show that it reduces fuel consumption by an average of 4 percent, with gains up to 9.6 percent in some cases. This product is effective in reducing emissions by minimizing smoke and particulates.

Pros

  • Effectively removes deposits in the fuel injector system, thereby restoring and increasing horsepower
  • Improves combustion resulting in better engine starting, running, and reduced noise
  • Restores lubricity to ultra-low sulfur diesel fuels, reducing wear on the engine
  • Reduced fuel consumption by an average of 4 percent
  • Reduces emissions by minimizing smoke and particulates

6. Stanadyne Performance Formula Diesel Fuel Additive 2 Pack Of 1/2 Gallon Jugs – Part # 38566

This diesel fuel additive is made in the U.S.A. and has multiple benefits that can help improve the performance of your vehicle. It not only restores and increases horsepower, but can also reduce fuel consumption by an average of 4%, with gains of up to 9.6% in some cases. The cetane improver included in the formula can improve combustion, making engine starting and running smoother while also reducing noise. The lubricity improvers also help to reduce wear on your engine by restoring lubricity to ultra low sulfur diesel fuels. Additionally, this fuel additive can help to reduce emissions by minimizing smoke and particulates.

If you're looking for a way to improve your vehicle's performance and reduce its environmental impact, this diesel fuel additive may be a great option for you. With its ability to increase horsepower, reduce fuel consumption, and lower emissions, it's a versatile and effective product that can benefit a wide range of diesel vehicles.

Pros

  • Made in the U.S.A.
  • Restores and increases horsepower
  • Reduces fuel consumption
  • Improves combustion resulting in better engine starting, running, and reduced noise
  • Reduces wear on the engine
  • Helps to reduce emissions by minimizing smoke and particulates

7. Diesel Kit: Boost Performance, Clean System

The AR6500 Diesel Treatment (40 oz) and AR6400-D Diesel Fuel System Cleaner are included in this package. The AR6400-D Diesel Fuel System Cleaner aims to restore key fuel system components, including injectors, turbo and DPF, while boosting cetane, improving performance and MPG. However, it is important to note that the AR6400-D Diesel Fuel System Cleaner is not a remedy for HEUI injector stiction. Instead, the AR9100 Friction Modifier is recommended for this issue.

Pros

  • Includes AR6500 Diesel Treatment (40 oz) and AR6400-D Diesel Fuel System Cleaner
  • Restores key fuel system components, including injectors, turbo and DPF
  • Boosts cetane, improves performance and MPG

Cons

  • – Not recommended as a remedy for HEUI injector stiction

8. Archoil Ar6500 Diesel Treatment (40.6 Oz) – Treats 400 Gallons – Additive For All Diesel Vehicles

The Archoil AR6400-D MAX is an effective solution for modern diesel fuels. It comes in a 40.6 oz bottle that can treat up to 400 gallons of fuel. This fuel additive is designed to be used at every fill-up to maintain your engine's performance. The product is formulated with Archoil's proven combustion modifier technology and a strong cetane boost to increase power and response.

Moreover, the Archoil AR6400-D MAX is a complete fuel system cleaner that cleans, lubricates, and protects your fuel system, including HPCR systems. It is specifically designed to address issues with modern diesel fuels and enhance fuel economy by increasing miles per gallon (MPG). The product is easy to use and provides long-lasting protection to your engine.

Overall, the Archoil AR6400-D MAX is an excellent choice for modern diesel engine owners who want to maintain their engine's performance and fuel efficiency. This product is effective, easy to use, and provides long-lasting protection to your engine.

Pros

  • Effective solution for modern diesel fuels
  • Increases power and response with proven combustion modifier technology and cetane boost
  • Cleans, lubricates, and protects fuel system (including HPCR systems)
  • Enhances fuel economy by increasing MPG
  • Easy to use
  • Provides long-lasting protection to engine

9. Performance Formula One Shot 8oz, Case Of 24 Bottles Treats 30 Gallons Diesel Fuel Per Bottle

This fuel additive is designed to restore and increase horsepower in your vehicle by cleaning deposits in the injection system. Its powerful detergents effectively eliminate harmful build-up, resulting in better performance and fuel efficiency. Tests have shown an average improvement of 4% in MPG and gains of up to 9.6%. The included cetane improver enhances combustion, leading to better engine starting, running, and reduced noise. Additionally, lubricity improvers restore lubrication to ultra-low sulfur diesel fuels, which helps reduce wear and tear on your engine. This fuel additive also reduces emissions, including smoke and particulates, for a cleaner and more efficient ride.

If you want to keep your vehicle running at optimal performance and efficiency, this fuel additive is an excellent choice. Its powerful formula not only cleans your engine but also enhances combustion, reduces wear and tear, and minimizes harmful emissions. With this fuel additive, you can enjoy a smoother ride, better fuel economy, and improved engine performance.

This fuel additive is a must-have for anyone looking to improve their vehicle's performance and reduce harmful emissions. Its powerful detergents and lubricity improvers clean your engine and restore lubrication, resulting in better fuel economy and reduced wear and tear. Additionally, the included cetane improver enhances combustion, leading to better engine performance and reduced noise. With this fuel additive, you can enjoy a cleaner, more efficient ride while also reducing your carbon footprint.

Pros

  • Restores horsepower and improves engine performance
  • Reduces fuel consumption by up to 9.6%
  • Improves combustion for better engine starting and reduced noise
  • Reduces wear and tear on engine
  • Restores lubrication to ultra-low sulfur diesel fuels
  • Reduces emissions for a cleaner ride

Cons

  • – May not be compatible with all vehicles
  • – May require multiple applications for optimal results

Best Fuel Additive For Mpg FAQs

Can fuel additives harm the engine or fuel system?

Yes, fuel additives can potentially harm the engine or fuel system if they are not used properly or if they contain harmful chemicals. Some fuel additives can cause corrosion or damage to engine parts, clog fuel injectors, or even cause engine misfires. It is important to use only recommended additives that are designed for your specific type of engine and fuel system. Additionally, it is important to follow the instructions carefully and not to overuse the additives. If you are unsure about which additives are safe to use, it is best to consult with a professional mechanic or refer to your vehicle's owner manual for guidance. Ultimately, while fuel additives can be beneficial in improving fuel efficiency and performance, it is important to use them with caution to avoid any potential damage to your vehicle.

How do fuel additives affect engine performance and emissions?

Fuel additives are chemical compounds that are added to gasoline or diesel fuel to improve engine performance and emissions. These additives essentially enhance the fuel's properties in various ways, such as increasing its octane rating, improving combustion, reducing emissions, and preventing deposits from forming in the engine.

When fuel additives are added to the fuel, they help to break down any impurities in the fuel, which can lead to a more efficient combustion process. This, in turn, allows the engine to generate more power while consuming less fuel, resulting in improved engine performance.

Furthermore, fuel additives can help to reduce harmful emissions such as carbon monoxide, nitrogen oxides, and particulate matter. This is because some of these additives contain chemicals that enhance the combustion process, allowing fuel to burn more cleanly and efficiently.

Overall, the use of fuel additives can have a significant impact on engine performance and emissions. However, it is important to note that not all fuel additives are created equal, and some may be more effective than others depending on the specific needs of the engine. Therefore, it is crucial to choose the right fuel additives that are compatible with your engine and provide the desired benefits.

What are the recommended dosage and application methods for fuel additives?

Fuel additives are chemical compounds that are added to fuel in order to enhance its performance, improve fuel efficiency, and reduce emissions. The recommended dosage and application methods for fuel additives vary depending on the type of additive and the intended purpose.

For example, diesel fuel additives are typically added at a rate of one ounce per gallon of fuel. Gasoline fuel additives may be added at a rate of one ounce per three gallons of fuel. However, it is important to check the specific instructions provided by the manufacturer of the fuel additive to ensure proper dosage and application.

Application methods can also vary depending on the type of fuel additive. Some additives may be added directly to the fuel tank, while others may need to be mixed with fuel before being added. Some additives may need to be added at specific intervals, such as every time the fuel tank is refilled.

Overall, it is important to carefully follow the instructions provided by the manufacturer of the fuel additive in order to ensure safe and effective use. It is also important to note that not all fuel additives are suitable for all types of vehicles or fuels, so it is important to choose the right additive for your specific needs.

What is a fuel additive and how does it improve fuel efficiency?

A fuel additive is a chemical compound that is added to fuel in order to improve its performance and efficiency. These additives are typically designed to improve the combustion process, reduce emissions, and prevent deposits from forming in the engine. Fuel additives can be added to gasoline, diesel, and other types of fuel, and they can be used in a variety of applications, from cars and trucks to boats and airplanes.

The most common types of fuel additives include detergents, which help to clean the engine and prevent deposits from forming; oxygenates, which can improve combustion and reduce emissions; and lubricants, which can reduce friction and improve fuel efficiency. Other additives may include antioxidants, which can help to prevent fuel degradation, and corrosion inhibitors, which can protect the engine from damage.

Overall, the use of fuel additives can help to improve fuel efficiency by ensuring that the fuel is burned more efficiently and that the engine is kept clean and well-maintained. While the exact benefits of fuel additives will depend on the specific product and application, they can be a valuable tool for improving the performance and efficiency of a wide range of vehicles and equipment.

Which types of fuel additives are most effective in improving mpg?

There are several types of fuel additives available in the market that claim to improve fuel efficiency and increase miles per gallon (mpg). However, not all of them are equally effective. The most commonly used fuel additives are detergent additives, oxygenate additives, and octane boosters.

Detergent additives are designed to keep the fuel injectors and combustion chambers clean, which can improve fuel efficiency over time. Oxygenate additives, such as ethanol, can help to increase the oxygen content of the fuel, leading to a more complete combustion process and improved fuel efficiency. Octane boosters, on the other hand, are designed to increase the octane rating of the fuel, which can improve engine performance and fuel efficiency.

However, it is important to note that not all vehicles require the use of fuel additives, and some additives may even harm your engine if used improperly. It is always best to consult with your vehicle manufacturer or a trusted mechanic before adding any fuel additives to your tank. Additionally, maintaining proper tire pressure, avoiding aggressive driving habits, and keeping up with regular vehicle maintenance can also help to improve fuel efficiency without the use of additives.

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