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Best Gas Pressure Washer Under $400 [Top 6 Picks & Reviews]

If your living area or work area is dirty, it looks terrible. You can maintain a beautiful and clean environment by the clean areas you need. In this case, using a gas pressure washer, you will be able to clean the areas you need, such as houses, trucks, boats, decks, driveways, patios, lawn equipment, etc. For your convenience, in this article, we will discuss the 6 best gas pressure washers under 400.

You will find many types of pressure washers available in the market now a day. Therefore, buyers often have doubts about the quality of a pressure washer. In this case, we suggest you buy Simpson Cleaning MSH3125 MegaShot Gas Pressure Washer to manage the cleaning process properly.

This pressure washer is recommended and highly efficient. Hopefully, you will feel comfortable using it, and it is especially suitable for your work.

Best Gas Pressure Washer Under $400

1. Simpson MSH3125 MegaShot Gas Pressure Washer – Editor’s Choice

Using this Simpson gas pressure washer, you will be able to do paint preparation work on siding, driveway, car, RV, etc. Since it is an ideal washer, using that washer will allow you to do more different types of work.

Also, this washer is very dependable for homeowners. The washer is lightweight so that you can handle it very quickly. For example, only one person will be able to carry this washer without someone else’s help.

After all, that gas washer serves as a perfect alternative. Basically, you will get the maximum performance with the least effort. It has a reliable engine and abrasion resistant hose that keeps you safe.

This gas pressure washer has an ergonomic spray gun and 5 nozzles. This washer is especially suitable for both your home and shop. In general, you can get maximum performance with minimum investment.


Suitability- Especially suitable for siding, driveway, car, RV.

Engine Capability- MSH3125 Honda GC190 engine is the power machine of this pressure washer.

Performance- It is able to ensure maximum performance at short roots.

Reliability- This washer has a reliable and great OM axial pump.

What we liked

  • It works perfectly.
  • Lightweight pressure washer.
  • Ensures optimal performance.
  • You can use it any type of projects.

What we didn’t like

  • Sometimes, it may stop working.

2. BILT HARD Gas 3300 PSI Pressure Washer

This BILT HARD pressure washer applies a maximum of 3300 psi water pressure for your cleaning. In addition, the washer is capable of generating water flow up to 2.6 GPM. This pressure washer provides more power than other electric high-pressure washers. If you want to achieve efficient conversion, try to burn that fuel completely.

Coated steel construction of this sprayer body is strong enough to last almost a decade. The powder coating over the main body also resists corrosion. In short, its a perfect option for any type of work both indoor and outdoor.

In general, you can use this washer to prepare the paint for your home, truck, boat, deck, driveway, patio, lawn equipment, farm, and many more. There are large gas tanks and two anti-slip wheels for a high power supply. So, it is easy to move from here to there and also assemble.

Specifically, this washer has hoses and accessories for supplying 30 feet high pressure. If you do not have the safety lock switch and trigger for your spray gun, the pump will shut off automatically.


Water Pressure- This pressure washer has water pressure up to a maximum of 3300 psi.

Fuel Burning- By using this pressure washer, you will be able to burn up to 95% of the fuel completely.

Suitable Use- It is suitable when you have paint preparation of houses, RVs, patios, lawn equipment, farms, etc.

Accessories- This pressure washer comes with a 25 feet high-pressure hose and more multi accessories.

What we liked

  • There are 5 nozzle options featuring different angles.
  • Suitable for maximum cleaning.
  • Made with a steel construction frame.

What we didn’t like

  • Sometimes it makes noise when working.

3. TEANDE 4200PSI 7.0HP Gas Pressure Washer

The TEANDE pressure washer engine is much more powerful, so it will give you the power you need to remove any solid dirt. By using this petrol washer, you will be able to work on big projects professionally.

Basically, this powerful washer is made with 4200PSI + 2.6GPM + 7.0HP engine. The motor will burn every bit of the fuel in this washer, which will save you money. In general, gas-powered washers provide much higher power than electric pressure washers.

Generally, gasoline pressure washers use petrol as fuel. You will get rid of the hassle of power cord by using petrol fuel in your pressure washer. So, this washer greatly expands your work area as well as simplifies your cleaning work. For your convenience, the washer has 2 detachable anti-slip wheels.


Engine Power- It runs on 42 4200PSI + 2.6GPM + 7.0HP powerful engine.

Fuel Burning- Using this pressure washer, you will be able to burn up to 95% of the fuel completely.

Petrol Driven- The fuel in this pressure washer is petrol, so you don’t have to worry about the power cord.

Resistance- There are super-flex foot socks that are abrasion-resistant.

What we liked

  • Able to meet different needs.
  • Has a powerful engine.
  • Able to save energy.

What we didn’t like

  • Some nozzles might leak after some use.

4. SIMPSON MS60763-S Cleaning Gas Pressure Washer

Using SIMPSON MegaShot 3100 PSI pressure washer, you will be able to clean the deck, patios, house siding, outdoor furniture, etc. It is portable pressure washer so very easy to move. With that washer, you will be able to solve the tasks you need correctly. It is very lightweight so no need someone for carrying it.

Originally, the said pressure washer was made with MS 60763 Kohler RH265 engine. In addition, the washer comes with a reliable OM axial pump and a 25-foot knot. In particular, the hose that comes with it is completely abrasion-resistant.

Also, this washer has 5 stainless steel quick-attaching nozzles. This SIMPSON MegaShot series is especially suitable for “Do-it-Yourselfer”.


Pressure Engine- This pressure washer has an MS 60763 Kohler RH265 engine.

Lightweight- It is lightweight, so easy to carry.

Axial Pump- This washer has a reliable OM axial pump.

Resistance- The pressure washer has a 25-foot knot and hose that is abrasion-resistant.

What we liked

  • Ensures maximum performance.
  • This is a perfect option.
  • It’s easy to use.

What we didn’t like

  • The quality of this pressure washer is not good.

5. Generac 2900PSI SPEEDW Black & Orange Power Washer

This Generac 7899 GPW 2900PSI washer is able to provide you with high quality classing power washing system. You can use this washer to do a complete cleaning job in a very short time.

In addition, the washer has a turbo nozzle and soap blaster to provide better results. For example, this turbo nozzle attachment basically removes the strobone dirt through the pinpoint stream that is present in this washer for rotation.

Also, it cleans the hard surfaces of your project vigorously. Basically, it removes stubborn stains approximately 30% faster than the standard nozzle of any washer. In general, it is able to spray 3X faster than the standard nozzle to improve your cleaning results.


Adjustability- Car, wood, concrete, and soap are able to adjust the pressure explicitly required for these four tasks.

Cleanliness- Made to remove stubborn dirt and clean hard surfaces vigorously.

Pressure Flex- It comes with a 30-foot high-pressure flex hose that is abrasion-resistant.

Engine- It has a 196 cc OHV engine that is capable of providing functionality for maximum cleanliness.

What we liked

  • It provides a complete washing system.
  • Strobone is able to remove dirt.
  • A powerful pressure washer.

What we didn’t like

  • The engine cannot provide the required power during work.

Things to Consider Before Buying Gas Pressure Washer

Many kinds and variant pressure washer available in the market now a day. Therefore, many people are hesitant to buy a pressure washer. Below we will discuss the issues to consider when purchasing a high-quality pressure washer.

Electric vs. Gas Pressure Washer

What should you consider before buying an electric or gas-powered pressure washer? Since electric pressure washers and gas-powered pressure, washers work differently in terms of power and speed. So, made a decision which washer is the perfect choice for you.

Basically, the gas pressure washer is able to provide more leverage. In contrast, the electric pressure washer is perfect for your small projects. Above all, you choose a washer that works fast and maximizes utility.


When buying a gas-powered pressure washer, you should choose a reliable engine. Gas-powered pressure washers are usually capable of delivering a lot of energy. So, select an engine for that washer that is capable of delivering exemplary results in the long run.

Basically, make sure your washer engine is in service for a long time. Also, some modern models of pressure washers are available in the market now.


In general, the importance of a reliable pump with a pressure washer is also immense. This pump will balance the power you want in a washer. Also, we would recommend that you buy a pump that will be convenient for you to maintain.

The Wheel

If your pressure washer is not an electric model, it is very difficult to operate it from one place to another. So when making pressure washers, manufacturers arrange wheels in them.

In this case, you will be able to use your pressure washer to work seamlessly on rough terrain, stairs, etc. When buying, you should choose wheels that are not larger than the size of the diameter.


Check the price of the pressure washer you want to buy. Remember, the pressure washer price is completely depending on the quality. In some cases, this idea may be wrong. Basically, budget according to what type and quality of washer you want to buy. You should choice perfect pressure washer, don’t buy a low-quality pressure washer for less few bucks.


When buying a pressure washer, please pay attention to the warranty of the washer as it gives you peace of mind. Generally, the warranty for a washer depends on its quality. In this case, an exceptional warranty is available for different types of products.

Most of the time, some manufacturers claim that their products have a long-term warranty. Read how many days’ warranty any pressure washer has at the time of purchase. Also, make sure that the warranty of the said washer is able to cover both the engine and the pump.

Final Thoughts

You use a pressure washer that is able to meet your needs. In this case, from my experience, gas-powered pressure washers are more effective than electric pressure washers. We discussed 6 best gas pressure washers under $400 from our experience and analysis.

Hopefully, you will be able to choose the pressure washer of your choice from the above pressure washers. Also, from all listed pressure washers we recommend Simpson Cleaning MSH3125 MegaShot Gas Pressure Washer for its effectiveness. This is an extremely powerful and high-capacity pressure washer.

Frequently Asked Questions (FAQs)

Are electric pressure washers suitable?

In general, the electric pressure washer does not cause any damage and is ideal for most cleaning.

Do I need a pump between my tank and the pressure washer?

It is not necessary. Since a pressure washer is capable of sucking water from the tank by itself, there is no need for a pump.

Do gas pressure washers need oil?

The pressure washer engine needs a lubricant that protects all internal components.

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