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Top 5 Best Pressure Washer Soap for Cars Reviews in 2023

Last updated on May 6th, 2023 at 05:27 am

Many motorists find it a pleasant experience to wash their automobiles by hand using a bucket of mildly foaming water and special wash gloves to protect the car’s finish. Some people can fill up their tanks and then use a drive-through car wash, while others never have the time or chance to clean their vehicle. However, if you live in an area that experiences cold weather during the winter, keeping your car clean will help it last longer.

One equipment that may make washing your automobile quicker, easier, and fairer over the long run is a pressure washer. You may use the one at the local coin laundry, but you will have to go out of your way. The best pressure washer soap for cars isn’t just useful for washing your car; it also has a wide range of applications around the house and yard.

The challenge arises, however, when deciding which pressure washer soap is ideal for cleaning automobiles. Several car shampoos and soaps are on the market, making it difficult to know which one would be safest for your vehicle’s paint and body. Still, there’s no need to worry!

Can Car Wash Soap Be Used in a Pressure Washer?

Shampoos designed for use in standard car washes are not designed to withstand the high pressure of a car wash using a pressure washer. This is due to the fact that regular car shampoos are designed to be applied by hand and not in conjunction with a high-pressure water sprayer. On the other hand, pressure washers may enhance the effectiveness of several commonly used car shampoos.

You should find out first and foremost what is the best pressure washer soap for cars that allow for the use of vehicle shampoos. Fortunately, most pressure washers include dedicated tanks for certain types of cleaning solutions. These storage containers go well with vehicle-specific cleaning products.

You might also like: Top 8 Best All-Purpose Cleaners For Car Interior

It’s also not possible to use regular car shampoo in a pressure washer’s car soap tank since most of them are designed to be sprayed to a surface and then rinsed off. The reason for this is because a lot of air pockets and foam will form during the cleaning process, which might be bad for the spout of the pressure washer.

5 Best Pressure Washer Soap for Cars (Top Picks)

Top Pick
best pressure washer soap for cars
Cleaning Soap & Detergent for Karcher Pressure Washer Car Wash & Wax

Top Pick
best pressure washer soap for cars
Gold Class Car Wash by Meguiar’s G7101FFP

Top Pick
best car wash soap for pressure washer
Sun Joe SPX-APC1G All-Purpose Heavy Duty Pressure Washer Rated Cleaner

Top Pick
best pressure washer soap for cars
Optimum No Rinse Wash & Shine – 32 oz. Bottle, Interior and Exterior Car Cleaner

Top Pick
best car wash soap for pressure washer
Simple Green Pro HD Heavy-Duty Cleaner

5 Best Soaps To Use In Pressure Washers For Cars (2023 Reviews)

Pressure washers are superior to garden hoses, but it may be challenging to get high-quality car-washing soap explicitly designed for use with pressure washers. Many individuals now use soaps and detergents rather than only water while washing their automobiles since they are readily accessible, relatively affordable, and produce the best results.

Because if water were always sufficient for cleaning, we wouldn’t need dish soap or laundry detergent. Different automobile owners, however, seem to like using specially formulated car wash soap in pressure washers.

Timely application of it guarantees the life of your automobile. However, the market is flooded with companies that provide the most cutting-edge and top-notch vehicle soap for pressure washers. Consequently, picking one may seem like a daunting task.

That’s why we spent time compiling this list of the 5 top auto soaps for use in pressure washers in 2023. Keep scrolling down until you reach the product that meets all your needs. All right, let’s start swimming!

#1. Cleaning Soap & Detergent for Karcher Pressure Washer Car Wash & Wax

best pressure washer soap for cars

In the world of pressure washing, the name Karcher is synonymous with quality and reliability, so it should come as no surprise that another one of the best car wash soap for pressure washer that topped our list. They provide a car wash soap that cleans and conditions your vehicle and serves as a shield from the elements. This is because it contains a car wax component. The wax inside this product is no match for genuine carnauba, but it will help you get by between waxing and adds a nice gloss and protective coating to your car. In addition to the 1 gallon (128 fl oz) container, you can now get this car wash in a 32-ounce (quart) size. The innovative design of the one-quart container has both a “freehand” pouring spout and a controlled-volume pouring spout with measurement markings. Measuring and diluting the substance will be less complicated as a result.

  • Designed to be used in combination with a pressure washer, this product is compatible with the vast majority of residential gas and electric models on the market.
  • Cars, trucks, SUVs, motorcycles, and more retain their natural shine after being washed with this soap since it rinses clean without leaving any residue.
  • Karcher’s Vehicle Wash & Wax Concentrate, which comes in a quart bottle, may be diluted to produce 5 gallons of detergent.


  • Car soap that contains wax for added gloss and protection during washing.
  • With just 32 ounces, you may make 5 gallons of the concentrated mixture.
  • In contrast to stronger cleaners, it’s harmless for your yard and plants and may be applied on decks, windows, and other exterior surfaces if required.


  • The presence of the wax renders it unsuitable for usage inside a building.

#2. Gold Class Car Wash by Meguiar’s G7101FFP

best pressure washer soap for cars

This soap is highly recommended if you want to preserve your attractiveness. Utilize it in the same way you would any other car wash soap—with a bucket and sponge. It’s more than just a soap; it leaves a glossy finish that fools onlookers into believing you had a professional detail job done on your automobile. It’s not inexpensive, therefore it’s not suggested if you are constantly getting a truck or SUV filthy.

  • Meguiar’s Gold Class Vehicle Wash, in a gallon bottle, is a convenient one-step car wash and paint conditioner.
  • Using a high-end solution, this product will remove dirt and grime from your car’s finish while conditioning the paint to bring out its full brilliance.
  • Wash the automobile using a high-quality wash mitt and a solution of four capfuls of car wash per gallon of water.


  • Easy to use, high-quality looking.
  • Cleansing machine-ready.
  • Will not remove a preexisting wax coating.


  • It costs a lot more than regular soaps.
  • Power washing has to be diluted first.

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#3. Sun Joe SPX-APC1G All-Purpose Heavy Duty Pressure Washer Rated Cleaner

best car wash soap for pressure washer

Sun Joe’s pressure washer cleaner is a fantastic choice for best car wash soap for pressure washer. It is for individuals who put their pressure washer to work on a wide range of surfaces around the home, thanks to its versatile composition. Siding, decking, masonry, and automobiles may all benefit from their ability to remove dirt and grime. It works well on wood, brick, metal, vinyl, and other surfaces.

There is a lot of cleaner in a single-gallon container because it is concentrated. The formulation used by Sun Joe is non-toxic to plants, animals, and people. The recipe may be used with a pressure washer. Still, it also works well with a mop or brush for spot cleaning delicate regions that should not be washed in a high-velocity water stream.

  • Solution for a pressure washer’s concentration.
  • Compostable; won’t rust metal.
  • Apply a mop or brush to clean various surfaces, such as wood, brick, and more.


  • Compatible with a wide variety of substrates
  • Extended use due to concentrated recipe
  • Biodegradable


  • Possible lack of potency in comparison to certain specialist cleaners

#4. Optimum No Rinse Wash & Shine – 32 oz. Bottle, Interior and Exterior Car Cleaner

best pressure washer soap for cars

In some instances, getting out of the garden hose might waste time. Maybe you don’t have the space for a good wash since you’re a city dweller. Or perhaps you want to spot-clean the inside or outside of your automobile whenever you see fit. There is no need to use a hose on this product since it can be cleaned with only a pail of water and a sponge. This is why the best soap use in pressure washer for cars boasts that it is eco-friendly.

  • Only two to three liters of water are needed for this very practical and secure no-rinse car wash to return your vehicle to its pristine sheen.
  • Polymers in the updated composition of this rinseless car wash enhance encapsulation and build a more substantial barrier between debris and your car’s shine.
  • Not too difficult for the weekend warrior, yet powerful enough for the skilled detailer; it requires no special tools for a flawless, professional finish.


  • Practically Anyone Can Use This
  • It doesn’t need to be washed off with water
  • Innocuous to the environment


  • Expensive

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#5. Simple Green Pro HD Heavy-Duty Cleaner

best car wash soap for pressure washer

Simple Green’s cleaner is perfect for tough industrial cleaning tasks because of its greater concentration of detergents that can dissolve grime and oil. The best car wash soap for pressure washer is great for washing out filth off recreational vehicles, all-terrain vehicles, trucks, boats, motorbikes, and other vehicles, as well as from appliances like barbecues.

Therefore, it may be used without worry on various automotive surfaces, including aluminum, plastic, stainless, polished steel, chromium, and more. It also has a lot of uses. This product is compatible with a wide variety of cleaning tools, including but not limited to pressure washers, carpet cleaners, floor rubber gloves, and ultrasonic cleaners. The heavy-duty cleanser is biodegradable like other Simple Green products. Still, it’s essential to ensure the soil is wet before applying it and that it’s well-washed afterward.

  • Strong filth, grease, and stains are no match for a commercial cleaner, degreaser, and deodorizer.
  • Can be used on a wide variety of surfaces, including metals, plastics, sealed wood, painted surfaces, concrete, vinyl, carpet, and more.
  • Alloy, stainless steel, polished steel, chromium, and other metals may all be safely cleaned using the mixture.
  • Highly potent composition designed for a variety of industrial uses.
  • Compatible with several types of cleaning machines.


  • Compatible with mechanical usage.
  • Cleans grease and grime with a concentrated solution.
  • It is compatible with other high-powered cleaning tools.
  • Toxin-free and biodegradable.


  • Decking is one material for which this is not an appropriate solution.

Ultimate Buying Guide: Choosing the Best Pressure Washer Soap for Cars

Pressure washing is an effective way to clean your car, and using a suitable pressure washer soap can enhance the cleaning process. With a wide variety of available options, it can be challenging to determine which pressure washer soap is best for cars. This buying guide will provide essential factors to consider when selecting the ideal pressure washer soap for your vehicle.

Compatibility with Pressure Washer:

Ensure the soap you choose is compatible with your pressure washer. Different pressure washers have varying requirements and may require specific types of soaps or detergents. Refer to your pressure washer’s user manual or manufacturer’s recommendations to determine compatibility.


Look for a soap formulated explicitly for car washing. These soaps are designed to be gentle on your car’s paintwork and will not strip away the protective wax or sealant. Avoid household detergents or dish soaps, as they can be harsh and potentially damage the car’s paint.

pH Balance:

Opt for a pressure washer soap with a neutral pH balance. pH-neutral soaps are gentle on the car’s paint and won’t cause damage or corrosion. They effectively remove dirt, grime, and road debris without compromising the car’s finish.

Cleaning Power:

Consider the cleaning power of the soap. Look for a product that effectively removes dirt, grease, oil, and other tough stains commonly found on vehicles. It should provide excellent foaming action, allowing the soap to cling to the surface and loosen dirt for easier rinsing.

Waxing and Protection:

Some pressure washer soaps add wax or protectants. These products can leave a glossy finish on your car’s paint, offer additional protection against the elements, and help water bead off the surface. To enhance the shine and provide extra security, consider a soap with waxing or protective properties.


Opt for a pressure washer soap that is environmentally friendly and biodegradable. These soaps break down naturally and are less harmful to the environment when they enter waterways. Look for products labeled as biodegradable or eco-friendly to minimize your impact on the ecosystem.

Concentration and Dilution Ratio:

Check the recommended dilution ratio for the soap. Some products require higher concentrations, while others are more concentrated and can be diluted more. Ensure the soap is cost-effective and provides enough volume for multiple washes.

FAQs About Best Pressure Washer Soap for Cars

What kind of soap do you use in a pressure washer for cars?

If you are using a foam cannon, you will want to load it with car wash soap designed particularly for this task. Then, use the fast disconnect on your pressure washer to attach the foam cannon to the machine. Cherry Snow Foam or MAX Power Car Wash, which have recently undergone formulation changes to make them suitable for use with foam cannons, come highly recommended.

What soap works best in pressure washer for cars?

Karcher Pressure Washer Car Wash & Wax is the soap that works best in pressure washer for cars.

Do you need special car soap for pressure washer?

The vast majority of regular auto soaps are incompatible with pressure washers and cannot be used with them. Because ordinary car wash soap has to be agitated in water before it can be applied to a vehicle, rubbed all over the surface, and then rinsed off in order to remove various types of impurities from a vehicle.

Can I use any car wash soap in pressure washer?

Sadly, most conventional auto soaps will not be effective when used in a pressure washer. Normal car shampoos are designed to be applied by hand, and it is strongly recommended that you do not use a power washer to clean your vehicle. It’s possible that several common auto soaps can be used in pressure washers. On the other hand, they are not compatible with one another for the most part.

Can you use Meguiars car wash soap in a pressure washer?

No, you should never use meguiars car wash soap in a pressure washer.


We hope that by the time you’ve finished reading this piece, you will better understand which soap to use in a pressure washer for a vehicle. Keep in mind that you cannot use soap and that it is strongly recommended to use only car wash soap. The products described above are among the best car washes available.

One thought on “Top 5 Best Pressure Washer Soap for Cars Reviews in 2023

  • Car Care Up

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