Best Fuel Additive

filling up fuel tank

Sometimes, regular fuel just doesn’t cut it. Though gas companies work hard to give your car what it needs, they don’t always hit that mark. Fuel additives quickly fill the gap by providing your vehicle with a little bit of extra care.

Choosing the best fuel additive is important because not only does it add to your car’s overall health but it also gives you better gas mileage, cuts down on noise, and eliminates general engine chatter. Such substances provide a range of bonuses, which shows how important they are to a well-maintained vehicle.

Every fuel additive can make your car’s engine run smoother but does it in unique ways. Breaking down such details will show you which ones rise above the pack.

Best Fuel Additive: Comparison Table

view of car engine

Finding the Best Fuel Additive

For anyone, even those who know cars, picking out one fuel additive brand over another can be tricky. Luckily, this guide enables you to only choose between the most reliable options on the market.

All of the substances in this guide are considered the best fuel additives because of their overall quality. Each was checked for high production, increased gas mileage, noise reduction, emissions, and how well it protects your car.

That baseline was then matched up with price, as well as user and professional reviews, to ensure each and every one gives you the maximum driving experience.

Chevron Techron Concentrate Plus

Chevron Techron Concentrate Plus Fuel System Cleaner - 20 oz.
  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

The best fuel additive brands all provide stellar long-term results for your car’s engine. For that reason, you want to go to a name you can trust.

Chevron is one of the most well-known fuel brands on Earth, and their Techron Concentrate Plus is one of the best fuel additives on the market. This option is an incredibly efficient substance that blends many useful features into a single product.

Concentrate Plus offers superior power for your engine, no matter what type of vehicle you use it on. Though some additives are specifically made for cars, this can be used on anything from boats to ATVs to dirt bikes and RVs. It restores lost power and increases acceleration across the board.

Another bonus of this product is that it makes up for lost fuel economy and cuts back on firing/spark plug issues. Any of the best fuel additive options should work to promote your car’s long-term health, and that is where Concentrate Plus truly shines.

Not only does the formula give you all of the benefits listed above, but it also helps the entire fuel intake system as opposed to only a few injectors. That is the reason it provides benefits that similar brands cannot.

It is also quite affordable, which is great coming from such a large brand, and lasts for up to one year in your system. You simply cannot go wrong with that cost-to-result ratio.

Verdict

Royal Purple Max Clean

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer 11722
  • 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance
  • Improves fuel economy an average of 3.2 percent
  • Increases horsepower an average of 2.6 percent

Though not as easily recognizable as a fuel giant like Chevron, Royal Purple is still a well-established brand that makes this list with their Max Clean product.

This is considered the best fuel additive by many because it offers superior results at a reasonable cost.

The 3-in-1 product keeps engines clean for extended periods of time and actively works to ensure your vehicle hits peak performance.

As with any best fuel additive, Max Clean eliminates issues like stalling/hesitation and helps to enhance your fuel economy. In fact, it can boost your miles per gallon by as much as three percent and cuts down on harmful emissions by as much as 18 percent.

If that’s not enough, the additive also stays in your system long after the first use. That, mixed with the increased mileage, makes this one of the best money saving options on the market.

You get a ton of value that continues long after the bottle goes empty.

Verdict

Lucas 1 Gallon Fuel Treatment

LUCAS LUC10013 10013 Fuel Treatment - 1 Gallon
  • Cleans and lubricates the fuel system. Neutralizes low sulfur fuel problems
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Made in USA

There are many great fuel additives on the market, but few of them provide the performance or power of Lucas 1 Gallon Fuel Treatment.

This substance, which notably comes in a 1-gallon container, gives you everything you could ask from the best fuel additive. It cleans and lubricates your entire system while also increasing the overall power of your vehicle.

The special solution burns excess exhaust emissions, which then increases your power and miles per gallon. That alone is worth the price, but it is not all this substance offers.

The brand, which is also known for its great oil additives, provides a solution that expertly cleans your engine block with ease. Not every additive cleans and lubricates at the same time, but that is what sets Lucas apart.

This gallon is especially useful for people who have old or worn injectors. However, it also works wonders for drivers who want to make sure their injectors stay resistant to future damage or wear.

In that way, the product does much more than your average additive. You get all of the marks of a high-quality formula, along with the power of an oil additive, and the cleaning power of a professional shop.

It is that all-in-one package that makes it so popular.

The fluid even comes in an easy-to-pour bottle and can be bought in a bulk pack of four if you want to cut down on the already affordable price.

Verdict

Red Line

Red Line (60103) Complete SI-1 Fuel System Cleaner - Gas and Injector...
  • DESIGNED TO EXCEED EXPECTATIONS - Red Line complete SI-1 fuel system cleaner treatment for cleaning & preventing...
  • PERFORM & PROTECT - Fuel additive cleans injectors, carburetors, valve & combustion chamber deposits with a powerful...
  • EFFICIENT FUEL BURN - Gas treatment that enhances gasoline stability, while reducing the buildup of gum and varnish...

Another affordable and effective option is Red Line Complete SI-1 Fuel System Cleaner.

Red line is known for their incredible line of oil additives, and that quality spills over into their amazing fuel options.

There are many reasons to like SI-1, but the biggest draw of this product is that it enables you to tackle multiple issues at once. That is because, unlike other best fuel additive options, it cleans on two different levels.

This product contains upper cylinder lubricant, which means it actively performs maintenance on your vehicle in two different ways.

At the same time, the substance also offers 100 percent efficiency after the first clean. That mark is far beyond just about every other additive out there, ensuring you’re giving your motor the best of the best.

You can purchase this in a single 15-ounce bottle, but there is also a bulk pack of 12 that provides you with 27 percent savings and will last you 20 years.

Just note that, while you get two uses per bottle, if your car is old or worn down, it is best that you use the entire thing.

Verdict

Liqui Moly 2007 Jectron

Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml
  • Eliminates starting problems, hesitation and stalling
  • Smoother idling
  • Better throttle response

Many of the best fuel additive brands are not from companies you can name off the top of your head. Even so, they still go above and beyond the norm to deliver great results.

An example of that is Liqui Moly, whose 2007 Jectron offers a nice range of benefits to help your car run more smoothly.

This cleaner primarily works to cleanse contaminated petrol injection systems, but it also removes carbon deposits from fuel pipes, field distributors, and inlet valves.

That thorough work gets your car up and running to the best of its ability, reduces fuel consumption, and restores your engine to its original performance.

There are many reasons to pick this product over others, but perhaps the biggest is that it quickly gets rid of any startup issues like clicks or stalls. The formula also enhances throttle response and creates smoother idling by lowering engine chatter and unnecessary vibrations.

If any of those are a burden, Liqui Moly should be your additive of choice.

Though some people may only see the 2007 Jectron as a one-note product, it, like so many of the best fuel additive options, is able to handle multiple jobs at once.

That dependability, mixed with the above list of benefits, makes this the best fuel additive for those with older or more worn-down cars. Truly a fantastic way to optimize general performance.

Verdict

Gumout High Mileage Fuel Injector Cleaner

Gumout 510013 Fuel Injector Cleaner, 6. Fluid_Ounces
  • Removes carbon deposits from engines with over 75,000 miles
  • Prevents future carbon buildup on port/indirect fuel injectors, intake valves, and ports
  • Maximizes performance and fuel economy

Not all of the best fuel additive brands are broadly effective in what they do. Some are specialized, which makes them perfect for a specific type of car.

An example of that is the Gumous High Fuel Injector, which uses a no-nonsense formula to fuel cars that have gone over 75,000 miles.

Where many of the best fuel additive options spread out, this option specifically targets worn-in engines to revitalize and restore them back to their old performance. It then preps them for future use as well.

You get all of the base features here: carbon buildup prevention throughout all parts of the engine, enhanced fuel economy, performance optimization, and reduced emission output.

On top of that, the High Fuel Injector is able to turn back the clock on plugged injectors by making them work as good as new. In fact, this formula is the best way to increase your injector’s life expectancy and performance level.

Gumout also works to lubricate your engine’s fuel system for months after the initial use.

STP Super Concentrated Fuel Injector

STP Fuel Injector Cleaner, Super Concentrated, Bottles, 5.25 Fl Oz,...
  • Unclogs dirty fuel injectors to restore performance
  • Helps restore lost power and acceleration
  • Removes harmful deposits

The final brand on our best fuel additive list is STP. Their Super Concentrated Fuel Injector is a great formula for those who want to both increase their fuel economy and clean their car’s engine at the same time.

Above all else, this is an additive that makes your car more efficient. That alone is worth the purchase in many ways.

The special STP formula increases your oil pressure and gives you more miles on both city and highway roads. In fact, it is able to add 3 or 4 miles per gallon to your car. Those savings do not take long to add up.

STP is also beneficial because of its versatility. This additive provides excellent results no matter what type of engine or vehicle you use it on. That makes it an easy purchase.

The increased versatility means you never have to worry about it not giving you the best possible results. This solution has such a broad reach that it even works with cap-less gas systems.

Beyond that, the solution is a strong fuel additive that removes any clogs or unnecessary blockages in your engine.

All of that comes in an affordable, easy-to-pour plastic bottle. It may not seem like a big deal, but the ease of use takes away extra steps and allows you to get your car going without much of a hassle.

Verdict

How to Buy the Right Additive for Your Car

As great as the above additives are, not every option is perfect for every car. For that reason, there is a chance you may want to look for another brand.

If that is the case, there are a few things to keep in mind during your search.

First and foremost, always search for an additive that can perform multiple actions at once. One-note products simply don’t do enough, and they often pale in comparison to additives that can clean your engine and improve fuel economy at the same time.

From there, pay attention to what your car specifically needs. That will help you to immediately eliminate products that may not give you the results you're looking for. This ensures you only get something that’s right for your vehicle.

Only when a product hits those marks should you check into any small details like an easy-to-pour bottle or a lower price.

Budget options are important, but do not get something cheap just because you want to save some money. High quality can go a long way.

red car speeding up

Getting Your Car Up to Speed

When picking the best fuel additive, you need to do your research. Not only do many of the brands sound similar in what they offer, but it is easy to just grab a name you recognize rather than choose a product of exceptional quality.

The above five brands work for your car in ways that similar ones will not, and that is what makes them a strong purchase.

Your vehicle, regardless of its model and make, is an investment. When it comes to taking care of it, you cannot settle for anything but the best.

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