The 5 Best Gas Pressure Washers For Tough Cleaning Projects

Gas pressure washers are an invaluable tool for tackling a variety of outdoor cleaning projects. They are a great way to get the job done quickly, efficiently, and with minimal effort! But, with so many makes and models on the market, finding the right one for your needs can be a daunting task. That’s why we’ve done the hard work for you and put together this comprehensive guide to the best gas pressure washers. 

Here, we’ll break down the features, pros and cons of each model and help you determine which one is best suited to your needs. 

Whether you’re looking for a powerful machine to tackle tough outdoor jobs or just something to clean up the driveway, we’ve got you covered. 

Read on to learn more about the best gas pressure washers and which one is right for you.

1. SIMPSON Cleaning CM61083 Gas Pressure Washer 

(Best Overall)

Simpson CM61083 Gas Pressure Washer

The model CM61083 from Simpson grabs the first spot on our list of best gas pressure washers. This compact gas pressure washer delivers a powerful pressure washing experience by tackling the toughest cleaning jobs. Moreover, it is very light in weight and easy to store. 


  • Dimension and Weight: 22 x 13.5 x 29.25 inches; 61 Pounds
  • Water Pressure: 3400 PSI
  • Water Flow: 2.5 GPM
  • Hose Length: 25-ft
  • Warranty: 1-year pump & frame warranty and 2-year engine warranty 

Key Features

  • The machine is great for all types of tough cleaning jobs with its 3400 PSI water pressure accompanied by the flow rate of 2.5 GPM.
  • It comes with a powerful 6.5 HP engine that delivers more power, uses less fuel, and ensures lower emissions.
  • Its steel frame construction with a powder-coated finish is corrosion-resistant and ensures the durability and longevity of the machine.
  • The model has four quick connect nozzles, including 0-degree, 15-degree, 40-degree, and soap, to perform various cleaning jobs.
  • It is also equipped with 10-inch Premium pneumatic wheels that easily handle rough terrain and ensure the best maneuverability. 


  • Sturdy and durable construction
  • Powerful cleaning performance
  • Easy to start
  • Fold-down handle for quick and convenient storage
  • Highly flexible hose


  • No Such
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2. Westinghouse WPX2700 Gas Pressure Washer

(Best Gas Pressure Washer for Home Use)

Westinghouse WPX2700 Gas Pressure Washer

Next up, we have the Westinghouse WPX2700 Gas Pressure Washer, which is a powerful washer for tough stains and substantial areas. Whether to clean bricks, stones, concrete, wood, aluminum, iron or to tackle deep cleaning projects like decks, sidewalks, siding, fences, railings, garage floors, exterior walls, cars, and patio furniture, this power washer can get the job done easily and efficiently.


  • Dimension and Weight: 21 x 19.5 x 39 inches; 63 Pounds
  • Water Pressure: 2700 PSI
  • Water Flow: 2.3 GPM
  • Hose Length: 25-ft
  • Fuel Tank Capacity: 0.9 Gallon
  • Warranty: 3 Year Limited

Key Features

  • It comes equipped with a heavy-duty 212cc 4-Cycle Horizontal Shaft Westinghouse Engine, delivering 2700 PSI at 2.3 GPM for heavy-duty cleaning jobs.
  • The model has four nozzle tips (0-degree, 25-degree, 40-degree, and soap applicator) that offer varying degrees of pressure; so you can use the suitable one depending upon your cleaning job. Plus, the interchangeable heads make the job easier. 
  • Its rugged steel frame construction and high-profile 12-inch wheels allow easy maneuverability over all surfaces, whether it is rough or smooth. 
  • It also comes with a 0.5-gallon soap tank to which you can add your favorite cleaning chemical or detergent for thorough cleaning.


  • Well built 
  • Compact profile
  • Versatile and efficient
  • Maintenance-free pump
  • Easy to maneuver around
  • Multiple spray patterns suitable for various cleaning jobs
  • Built-in half-gallon soap tank


  • No such
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3. SIMPSON Cleaning MSH3125 MegaShot Gas Pressure Washer

(Best Gas Pressure Washer with Honda Engine)

Best Gas Pressure Washer Simpson MSH3125

This is another Simpson product on our list that offers professional-grade cleaning results at a competitive price. The product is suitable not only for household cleaning but also for commercial applications.


  • Dimension and Weight: 21 x 24 x 34 inches; 66 Pounds
  • Water Pressure: 3200 PSI
  • Water Flow: 2.5 GPM
  • Hose Length: 25-ft
  • Warranty: 2-year engine, 1-year pump, 5-year frame, 90-day accessory warranty

Key Features

  • The model is powered by Honda GC 190 4-stroke engine that assures you it is powerful enough to tackle the toughest projects with ease.
  • With 3200 PSI and a flow rate of 2.5 GPM, it can clean almost anything without any struggle.
  • It comes with five quick connect nozzles, including 0-degree, 15-degree, 25-degree, 40-degree, and a soap applicator to use accordingly for varying needs.
  • Its ergonomic pressure gun and 6-inch steel QC wand/lance are versatile and comfortable enough to use the pressure washer for a long duration. 
  • The best is its chunky 10-inch pneumatic tires, which give the machine a lot of stability over grass or gravel surfaces and ensure easy mobility too. 


  • Sturdy and durable
  • Compact enough for easy storage
  • Easy to use and maintain
  • Easy to start
  • Best for toughest cleaning jobs


  • Heavy and bulky
  • Louder
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4. Generac Gas Pressure Washer 

(Best Gas Pressure Washer with Electric Start)

Generac Gas Pressure Washer

If you want a hassle-free starting up of the pressure washer machine, this electric start gas pressure washer from Generac is the best buy. It simplifies the starting process and ensures the smooth operation of the machine. In addition, its powerful cleaning capability, ease of use, and quality build make it a great addition to your cleaning arsenal.


  • Dimension and Weight: 24.4 x 18.9 x 35.5 inches; 60.2 Pounds
  • Water Pressure: 3100 PSI
  • Water Flow: 2.5 GPM
  • Hose Length: 25-ft
  • Warranty: 3 Years Limited

Key Features

  • It can handle various cleaning jobs, whether low-duty, medium, or heavy-duty, with its powerful 3100 PSI and water flow rate of 2.5 GPM.
  • The model is equipped with a lithium-ion battery for an electric start in just one push that provides up to 50 starts.
  • Its powerful OHV engine delivers excellent cleaning performance and longer run time.
  • The spray gun has a power dial on it that allows easy adjustments of the pressure needed for four different cleaning jobs, including wood, concrete, car, and soap. In addition, its ergonomic design ensures extended use without any strain.
  • There are four quick-change nozzle tips, including 0-degree, 25-degree,40-degree, and soap, that you can easily switch in between your cleaning job depending upon your requirements. 
  • An onboard detergent tank is also there for added convenience while using the machine.


  • Best for outdoor cleaning jobs 
  • Electric start feature for hassle-free start-ups
  • Never-flat wheels provide easy movement on rugged terrain and upstairs   
  • Easy pressure adjustment
  • Very easy to use


  • Higher on the price side
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5. Champion Power Equipment Gas Pressure Washer

(Best Commercial Grade Gas Pressure Washer)

Champion Gas Pressure Washer

Combining high-performance components and the most advanced features, this gas pressure washer from Champion offers professional cleaning power for all the toughest outdoor cleaning jobs. Whether it is your patio, deck, outdoor furniture, driveway, fence, siding, RV, farm equipment, or vehicle, you will get the best cleaning results every time with this machine.


  • Dimension and Weight: 49.5 x 23.9 x 28.1 inches; 124.6 Pounds
  • Water Pressure: 4200 PSI
  • Water Flow: 4.0 GPM
  • Hose Length: 50-ft
  • Warranty: 2 Year Limited

Key Features

  • The machine offers a high pressure of 4200 PSI with 4.0 GPM, allowing it to tackle almost all the toughest cleaning projects.
  • It is powered by a Champion 389cc engine with an annovi reverberi brass head pump that delivers powerful cleaning performance no matter what you are cleaning. 
  • With the durable steel frame construction, it serves you for many years without any wear and tear.
  • It comes with five quick connect nozzles (0-degree, 15-degree, 25-degree, 40-degree, and soap) that you can easily switch between the operation suiting the job best. 
  • The best feature that sets it apart from other models we have mentioned here is its 50-foot commercial-grade steel-braided pressure hose that enables extended cleaning reach.
  • It also has an onboard detergent tank of 1-gallon capacity to fill your favorite cleaning solution or detergent for perfect cleaning.
  • Its low-profile design and 10-inch tires make it easy to maneuver all over the place.


  • Sturdy construction
  • Low profile design 
  • Commercial-grade durable engine for ultimate cleaning performance
  • Heavy-duty triplex pump that is corrosion-resistant and durable
  • Overmold grip with rubber molding offers maximum control even in slippery environments
  • Best for heavy-duty cleaning projects
  • Easy to start


  • Pricey
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Read Next: The Best Car Pressure Washers (Electric Power Washers)


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