Best Pressure Washer Soap For Cars

Disclaimer: All claims are strictly my personal opinion. As an Amazon Associate, I may earn from qualifying purchases.

Beautiful cars always determine a person’s personality as well as take everyone’s breath away, whether it’s your uncle Joe who’s coming for a visit or the girl that you need to impress.

A car that shines and looks beautifully maintained always turns people’s heads around and brings a smile to an owner’s face.

Gives you a feeling of pride when someone compliments on how well your car look. After all, an attractive person needs to have an attractive car.


Here are my recommended products picked out through amazon you would be interested in depending on your budget…

Mothers 05674 California Gold Carnauba Wash & Wax, 64 oz.
Mothers 05674 California Gold Carnauba Wash & Wax, 64 oz.
Powerful, ultra-sudsy, biodegradable and pH balanced; You'll be left with a spot-free shining finish

7 Best Pressure Washer Soap For Cars Reviews

Here is my list of Best Pressure Washer Soap For Cars in 2021;

1. Rain-X 620034 Spot Free Car Wash

  • Volume: 1420.8 Milliliters
  • Brand: Rain-X
  • Contain liquid: Yes
  • Item weight: 9.12 Grams
  • Item form: Foam

See at Amazon!

What we Like!
  • It’s price is low
  • It’s easy to assemble and used.
  • It cleans even the toughest of grime
Things to Consider!
  • It may not suitable for every vehicle.


If low prices and high-quality products are what you’re aiming for, then Rain X is the product you’re looking for.

This Deep cleaning product that cuts through even the toughest grime and dirt patches makes it the best and the go-to product that every consumer needs.

It’s very foamy as well as easier to wash and guarantees a spot-free shining car. It does not require a towel to dry the car all over again, leaving a bright shine.

The people loved this product because it was most unique and different from other products was not just its price, but it left little to no spots on vehicles when used.

2. Adam’s Car Wash Shampoo

  • Brand: Adam’s Polishes
  • Surface recommendation: Window
  • Item weight: 16 Ounces
  • Item form: Foam

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What we Like!
  • Leaves the shine on the car
  • Amazing fragrance
  • Works great on all kinds of surfaces
Things to Consider!
  • It is quite expensive


Of course, if you’ve been purchasing car cleaning tools and have been cleaning cars for a while, then you must have expected Adam’s Car was Shampoo to be on the list.

This Product ensures that the target in front of it will always come out shiny and beautiful no matter what kind of vehicle.

It allows you to wash your vehicle in full sunlight and all harmful mineral dirt and other content in your water.

This new car wash soap formulation creates a slick feel, lubricating all of your paint, rubber, vinyl, and widows surfaces to lift the dirt and wash it away safely.

It contains Water beading and hydrophobic properties that are great for a car shampoo/ soap.

3. Karcher Pressure Power Washer Detergent Soap

  • Volume: 1420.8 Milliliters
  • Brand: Karcher
  • Product dimension: 7.25 x 11 x 4 inches
  • Item weight: 8.75 pounds
  • Item form: Foam

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What we Like!
  • It cleans fast, quick and ensures that your car looks amazing
  • It’s cheap
  • Just one gallon is equivalent to 20 gallons
  • Perfect for cleaning your driveways, stones, bricks etc. as well
Things to Consider!
  • It does not have a good fragrance


Alfred Kärcher SE & Co. KG is a German family-owned company that operates worldwide. It is known for its floor care equipment, parts cleaning systems, wash water treatment, window cleaner, and even military decontamination equipment.

So get that camo jacket on, raise the volume of that military song you always listen to and clean your car with style. Knowing the might of the military is right in your hands!

To help more quickly, this product is formulated to work in tandem. It cleans more thoroughly as well as its formula is biodegradable. The users of Karcher’s almost always leave a positive review due to how good the product is, and that’s not all!

4. Milwaukee Muscle Car Shampoo

  • Volume: 50 Fluid Ounces
  • Brand: Milwaukee Muscle
  • Product dimension: 8 x 5.5 x 8 inches; 3.37 Pounds
  • Item form: liquid

See at Amazon!

What we Like!
  • Leaves car shiny
  • Made of Non-alkaline and phosphate-free formula
  • Not expensive
Things to Consider!
  • It does not have a good fragrance


This is an average price product that will ensure that you’ll have a great wash of your car. The casing of this product is as beautiful as the end product of your car after giving it a thorough, good wash.

It’s easy to use the product and has a thick formula that makes sure that you’ll get the most washes and the minimum amount of detergent used in one wash.

It is made of Non-alkaline and phosphate-free formula, Ceramic-infused for extra protection and Strengthening the existing ceramic coating. A disclaimer, though.

This soap is super thick and concentrated, so be prepared for a ton of suds!

5. Chemical Guys Mr. Pink Car Soap and Shampoo

Best Car Wash Soap

  • Volume: 3784 Milliliters
  • Brand: Chemical Guys
  • Product dimension: 3.94 x 2.36 x 15.75 inches
  • Weight: 499 Grams
  • Item form: Foam

See at Amazon!

What we Like!
  • Gives a beautiful shine to the car
  • Great scent
  • Lasts for a long time
Things to Consider!
  • It is not much foamy product.


If you are the person who cleans and maintains the car once a week, then Chemical Guys Mr Pink Super Suds Car Wash Soap and Shampoo is one of the best car wash soaps for pressure washers.

The high tech chemicals used in this shampoo are not harsh on the car surface because it has a pH-neutral composition that remains gentle on the car and is just perfect for a foam gun and two-bucket washes. Only a small amount of this product can do wonders.

Once you start cleaning your vehicle with this soap, it will start shining once again and look totally new. It’s best for cars that are black in color.

6. Chemical Guys Maxi Suds II Soap

  • Volume: 3.79 Liters
  • Brand: Chemical Guys
  • Product dimension: 11.42 x 8.31 x 4.49 inches
  • Weight: 9 Pounds
  • Item form: Foam

See at Amazon!

What we Like!
  • It has a great fragrance
  • Great foaming action
  • Perfect Suds
  • Well concentrated
Things to Consider!
  • You may need force to apply


If you want a top-rated and best car wash soap for a foam cannon and pressure washers for your car to be spot-free or dirt free or grime-free, then Chemical Guys Maxi Suds II is just the perfect soap for you. It has in one solution.

Combining 4oz of the soap and the shampoo in a bottle and a foam lance is used with an electric pressure washer, it remains on the exterior of your car, and it will foam up neutrally by washing the whole body.

What’s best is that you do not need a huge amount. Just a few drops of it in the wash bucket will clean the entire body of your car.

To correct the way to use the product and get the effective result, first wet the car, foam it, let the cleanser well set, and then rinse. Then foam it again, brush the car’s exteriors, and viola, do the final rinsing.

Now your car is spot-free and shiny. Do give it a shot.

7. Mothers California Gold Carnauba Wash Soap

  • Brand: Mothers
  • Product dimension: 11.4 x 11.4 x 10.5 inches
  • Weight: 27.7 pounds
  • Item form: Foam

See at Amazon!

What we Like!
  • This product is Environment friendly
  • It has a great fragrance
  • It is soft
  • Quality is good
  • Easy to use
Things to Consider!
  • Less foamy


If you want to keep the paint of your car protected and shining, then Mothers California Gold Carnauba Wash and Wax is just perfect for you. This product is one of the best car wash soaps that boost the existing wax and helps remove stubborn grime and dirt.

The carnauba wash and wax soap are strong with a neutral pH balance; in turn, they work great on helping the car owners achieve a radiant finish, leaving it clean and clear, and shiny.

If you search for the best car wash for foam cannon, this product has a super sudsy feature that makes it perfect for foam canon.

Buying Guide for Best Pressure Washer Soap For Cars

Before buying a Pressure Washer for your car, you need to keep important factors in mind. Let’s jump right into the important factors that should be kept in mind before getting some pressure washer soaps.


Before getting any product, one should keep in mind that the product should be Eco-Friendly. When washing your car, you should keep in mind that your use is not harmful to the environment.

After you wash your car wash, the remains are left behind to stay on the ground, which mixes with the soil and destroys it along with the water structure. So it would help if you found a biodegradable car wash soap that makes sure that your car and the environment are free from any harmful effects.

PH Level

Remember that when purchasing a detergent for a car, always opt for a PH that is close to or equal to 7. Because the soaps with a PH of 7 or less are acidic and more than 7 is basic, so it’s better to stick close to it.

This is because the lower or higher amount of Alkalinity level in the soap can make the car’s exterior look really bad and even, in some cases, damage the paint of the car.


Of course, we should always keep in mind how much money we can save and how much penny’s worth do we get out of our product.

A high-quality product will always be different from a low-quality product. Still, the advertisements will always make you think that they’re the same things and that you’re purchasing a low-quality product for the same price as a high-quality product.

So always remember to check all of the things before purchasing; remember, quality is always better than quantity. A thick soap will provide more washes than a light watery soap making a 16 oz. Equal to 3 gallons of soap.


As a responsible car owner, you should always be sure to buy a product that won’t prove harmful to your car, environment, and family.

Some products will affect the lungs of both the children and the elderly due to their bad smell.

Some products have a bad effect on the paint or the wax of your car and react negatively to them. So always try to keep that in mind when purchasing car soap.

Final Verdict

Could you use any car wash soap in a pressure washer? My advice is No, you cannot use any car wash soap in a pressure washer for your car. You should select soap or a detergent that meets the requirements and needs of the body of your car. From my point of view, I would suggest using Mothers 05674-6 California Gold Carnauba Wash and Wax or Chemical Guys Mr Pink Super Suds Car Wash Soap and Shampoo and conditioner. That’s just my opinion do check the requirements you need carefully and then make your choice.

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You may also love to read these my reviews and the buying guides…

People Also Asked about Car Wash Soap

Here are a few questions that people need to know about;

What is the Best Pressure Washer Soap For Cars?

Here is my list of Best Pressure Washer Soap For Cars in 2021;

  • Rain-X 620034 Spot Free Car Wash
  • Adam’s Car Wash Shampoo
  • Karcher Washer Detergent Soap
  • Milwaukee Muscle Car Shampoo
  • Chemical Guys Mr. Pink Car Soap
  • Chemical Guys Maxi Suds II Soap
  • Mothers Carnauba Wash Soap

How can I get thick foam?

First of all, you need to use the right car wash soap, match the foam canon specs with your pressure washer specs, and keep in mind that not all car wash soaps are sudsy.

To activate the soap using warm water. The higher the PSI, the thicker the foam will be. When reusing your foam cannon, do clean it twice.

What is the difference between car soap and shampoo?

Soap and shampoo are different in their textures and the formula used in making these products are different. Soaps are a bit harsh, whereas the shampoo is more gentle and sudsy.

Can we use car wash soap as a Pressure washer detergent holder?

Yup, you can use this soap as a detergent for foam cannon because it makes much foam. Just keep in mind the direction to mix the soap properly.

David Houghton
Latest posts by David Houghton (see all)

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