20 Best Gas Power Washers [2024]

Are you looking for the best gas power washers? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling gas power washers.

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1 Westinghouse WPX3200 Gas Pressure Washer, 3200 PSI and 2.5 Max GPM, Onboard Soap Tank, Spray Gun and... Westinghouse WPX3200 Gas Pressure Washer, 3200 PSI and 2.5 Max GPM, Onboard Soap Tank, Spray Gun...
2 SIMPSON Cleaning CM61083 Clean Machine 3400 PSI Gas Pressure Washer, 2.5 GPM, CRX Engine, Includes... SIMPSON Cleaning CM61083 Clean Machine 3400 PSI Gas Pressure Washer, 2.5 GPM, CRX Engine,...
3 Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer, 4.0 GPM, HONDA GX390 Engine,... Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer, 4.0 GPM, HONDA GX390...
4 SIMPSON Cleaning ALWB60827 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda Engine,... SIMPSON Cleaning ALWB60827 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda...
5 SIMPSON Cleaning ALWB60825 Water Blaster Series 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX Engine,... SIMPSON Cleaning ALWB60825 Water Blaster Series 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX...
6 Northstar Gas Cold Water Portable Pressure Washer Power Washer - 4200 PSI, 3.5 GPM, Honda Engine,... Northstar Gas Cold Water Portable Pressure Washer Power Washer - 4200 PSI, 3.5 GPM, Honda Engine,...
7 SIMPSON Cleaning ALWB60828 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda Engine,... SIMPSON Cleaning ALWB60828 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda...
8 SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda GX390 Engine,... SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda GX390 Engine,...
9 Easy-Kleen Professional 4000 PSI (Gas - Hot Water) Realtree Camo Pressure Washer w/ Electric Start Easy-Kleen Professional 4000 PSI (Gas - Hot Water) Realtree Camo Pressure Washer w/ Electric Start
10 SIMPSON Cleaning PS60843 PowerShot 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX 420cc Engine, Includes... SIMPSON Cleaning PS60843 PowerShot 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX 420cc Engine,...
11 DEWALT Commercial Pressure Washer 320 DEWALT Commercial Pressure Washer 320
12 SIMPSON Cleaning 95000 Mobile Trailer 3200 PSI Cold Water Gas Pressure Washer System, 2.8 GPM, Honda... SIMPSON Cleaning 95000 Mobile Trailer 3200 PSI Cold Water Gas Pressure Washer System, 2.8 GPM,...
13 Northstar Electric Wet Steam Cleaner and Hot Water Commercial Pressure Power Washer Add-on Unit -... Northstar Electric Wet Steam Cleaner and Hot Water Commercial Pressure Power Washer Add-on Unit -...
14 SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer Powered by Honda GX200, 3600 PSI @ 2.5 GPM,... SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer Powered by Honda GX200, 3600 PSI @ 2.5 GPM,...
15 PressurePro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer, 4200 PSI, 4.0 GPM, GX390... PressurePro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer, 4200 PSI, 4.0 GPM,...
16 Generac 6712 3,800 PSI 3.2 GPM Professional Grade Gas Pressure Washer Generac 6712 3,800 PSI 3.2 GPM Professional Grade Gas Pressure Washer
17 BILT HARD Gas Pressure Washer 3100 PSI 2.4 GPM, 5 Nozzle Tips 25ft Hose & Soap Tank, Gas Powered... BILT HARD Gas Pressure Washer 3100 PSI 2.4 GPM, 5 Nozzle Tips 25ft Hose & Soap Tank, Gas Powered...
18 Champion Power Equipment 4200-PSI 4.0-GPM Commercial Duty Low Profile Gas Pressure Washer Champion Power Equipment 4200-PSI 4.0-GPM Commercial Duty Low Profile Gas Pressure Washer
19 Northstar Gas Cold Water Pressure Washer - 4200 PSI, 3.5 GPM, Aircraft-Grade Aluminum Frame, Model#... Northstar Gas Cold Water Pressure Washer - 4200 PSI, 3.5 GPM, Aircraft-Grade Aluminum Frame,...
20 EASY-KLEEN PRESSURE SYSTEMS LTD Easy-Kleen Commercial 4000 PSI 3.5 GPM Gas Driven Hot Water Pressure... EASY-KLEEN PRESSURE SYSTEMS LTD Easy-Kleen Commercial 4000 PSI 3.5 GPM Gas Driven Hot Water...
SaleBestseller No. 1
Westinghouse WPX3200 Gas Pressure Washer, 3200 PSI and 2.5 Max GPM, Onboard Soap Tank, Spray Gun and...
  • 3200 PSI and 2. 5 GPM of Powerful, Deep-Cleaning Water Pressure Perfect for Decks, Sidewalks, Siding, Fences, Railings, Garage Floors, Exterior Walls,...
  • Half Gallon Onboard Soap Tank With 25′ Foot Abrasion Resistant Super-Flex Hose With Lightweight Spray Gun and 5 Quick Connect Nozzles (0°, 15°,...
  • Heavy Duty Gas Powered 212cc 4-Stroke Westinghouse OHV Horizontal Shaft Engine with Recoil Start - Long Lasting, Maintenance-Free Axial Cam Pump...
  • Tough Steel Frame Construction With 12″ High Profile, Never-Flat Wheels Provide Easy Transportation and Maneuverability – Includes Engine Oil,...
  • All Westinghouse Pressure Washers are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; CARB Compliant; Backed...
SaleBestseller No. 2
SIMPSON Cleaning CM61083 Clean Machine 3400 PSI Gas Pressure Washer, 2.5 GPM, CRX Engine, Includes...
  • Powerful Residential Performance: Fully assembled and easy-to-start with its 208 cc CRX residential engine, the Clean Machine power washer is great...
  • Power and Durability: A powerful, reliable, maintenance-free OEM Technologies axial cam pump delivers 3400 PSI at 2.5 GPM and includes thermal relief...
  • Includes Quality Simpson Accessories: 5/16-inch x 25-feet MorFlex high-pressure hose is non-marring, flexible, abrasion-resistant; 4 Quick connect...
  • Quality Construction: Steel frame construction with a powder-coated finish for durability and corrosion resistance; 10-inch Premium pneumatic wheels...
  • Important Notes: Engines are tested in factory and may contain minimum residual fuel/oil or fuel odor. The actual product may vary slightly from...
Bestseller No. 3
Simpson Cleaning ALH4240 Aluminum Series 4200 PSI Gas Pressure Washer, 4.0 GPM, HONDA GX390 Engine,...
  • Professional Performance: Easy-to-assemble and easy-to-start with its HONDA GX390 engine commercial series engine, the Aluminum Series power washer is...
  • Power and Durability: A powerful, reliable, maintenance-free CAT Industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal...
  • Sturdy and Portable: The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 10-inch...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°,...
  • Important Notes: 49-State Compliant; Does Not Ship to California; Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage; All...
Bestseller No. 4
SIMPSON Cleaning ALWB60827 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda Engine,...
  • Professional Performance: Easy-to-assemble and easy-to-start with its Honda GX390 commercial series engine, the Water Blaster Series power washer is...
  • Power and Durability: A powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°,...
  • Sturdy and Portable: The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 13-inch...
  • Important Notes: 49-State Compliant; Does Not Ship to California; Engines are tested in factory and may contain minimum residual fuel/oil or fuel...
Bestseller No. 5
SIMPSON Cleaning ALWB60825 Water Blaster Series 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX Engine,...
  • Professional Performance: Easy-to-assemble and easy-to-start with its CRX 420cc commercial series engine, the Water Blaster Series power washer is...
  • Power and Durability: A powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4400 PSI at 4.0 GPM and includes thermal...
  • Includes Quality Simpson Accessories: Monster 3/8-in x 50-ft high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°,...
  • Sturdy and Portable: The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 13-inch...
  • Important Notes: Engines are tested in factory and may contain minimum residual fuel/oil or fuel odor; Fuel tank capacity: 6.4 quarts (1.6 gallons)
SaleBestseller No. 6
Northstar Gas Cold Water Portable Pressure Washer Power Washer - 4200 PSI, 3.5 GPM, Honda Engine,...
  • Honda GX390 OHV engine for quiet, reliable performance
  • CAT 66DX direct drive crankshaft triplex pump with thermal protection and ceramic plungers
  • Oil drain cutouts for quick, clean engine and pump oil changes
  • Easy Start prevents pressure buildup for smoother, easier recoil pulling
  • Adjustable pressure allows easy control of the PSI to suit any job
Bestseller No. 7
SIMPSON Cleaning ALWB60828 Water Blaster Series 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda Engine,...
  • Professional Performance: Easy-to-assemble and easy-to-start with its Honda GX390 commercial series engine, the Water Blaster Series power washer is...
  • Power and Durability: A powerful, reliable, maintenance-free CAT industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°,...
  • Sturdy and Portable: The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 13-inch...
  • Important Notes: 49-State Compliant; Does Not Ship to California; Engines are tested in factory and may contain minimum residual fuel/oil or fuel...
Bestseller No. 8
SIMPSON Cleaning PS4240 PowerShot 4200 PSI Gas Pressure Washer, 4.0 GPM, Honda GX390 Engine,...
  • Professional Performance: Easy-to-assemble and easy-to-start with its Honda GX390 premium engine, the PowerShot power washer is great for contractors...
  • Power and Durability: A powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal...
  • Sturdy and Portable: The welded steel frame construction with powder coated finish offers durability and corrosion resistance; 13-inch premium...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink and abrasion resistant hose with quick connect fittings...
  • Important Notes: 49-state compliant; Does not ship to California; Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage; All...
Bestseller No. 9
Easy-Kleen Professional 4000 PSI (Gas - Hot Water) Realtree Camo Pressure Washer w/ Electric Start
  • 14 HP Kohler Gas Engine - Triplex Plunger Pump Direct Drive - 3.5 GPM @ 4000 PSI - 12 Volt Oil Fired Burner - 350,000 BTU - 10 Gallon Poly Fuel Tank -...
Bestseller No. 10
SIMPSON Cleaning PS60843 PowerShot 4400 PSI Gas Pressure Washer, 4.0 GPM, CRX 420cc Engine, Includes...
  • Professional Performance: Easy-to-assemble and easy-to-start with its CRX 420cc premium engine, the PowerShot power washer is great for contractors...
  • Power and Durability: A powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4400 PSI at 4.0 GPM and includes thermal...
  • Sturdy and Portable: The welded steel frame construction with powder coated finish offers durability and corrosion resistance; 13-inch premium...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink and abrasion resistant hose with quick connect fittings...
  • Important Notes: Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage; All pressure washers are 100% functionally tested in...
Bestseller No. 12
SIMPSON Cleaning 95000 Mobile Trailer 3200 PSI Cold Water Gas Pressure Washer System, 2.8 GPM, Honda...
  • Commercial Performance: Easy-to-start with its Honda GX200 commercial series engine and CAT Industrial triplex plunger 3200 PSI 2.8 GPM pump, this...
  • Easy Job Site Setup: Pull up to the work area, connect the spray gun, start the engine and begin cleaning; DOT certified as an over-the-road pressure...
  • Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°,...
  • Durable Construction: The 7-foot long trailer includes a 4-foot by 4-foot platform for the pressure washer and water tank; 12-inch premium 6-ply tires...
  • Important Notes: Engines are tested in factory and may contain minimum residual fuel/oil or fuel odor; Fuel tank capacity: 3.3 quarts (3.1 liters);...
Bestseller No. 13
Northstar Electric Wet Steam Cleaner and Hot Water Commercial Pressure Power Washer Add-on Unit -...
  • Upgrades a cold water pressure washer into a hot water/steam pressure washer
  • For pressure washers from 2-4 GPM and 4000 PSI max.
  • Diesel burner heats water up to 250deg F
  • Diesel burner has 1/2in. Schedule 80 heating coil, temperature control and 4-gallon fuel tank
  • 5-ft. quick-couple hose connects to pressure washer pump
Bestseller No. 14
SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer Powered by Honda GX200, 3600 PSI @ 2.5 GPM,...
  • HONDA GX200 engine w/ Oil Alert
  • AAA Industrial triplex plunger pump w/ PowerBoost Technology
  • 5/16 in. x 35 ft. MorFlex hose is non-marring, kink and abrasion resistant, and equipped with threaded fittings
  • Aircraft grade aluminum frame w/ brushed extruded aluminum tubing.Pump/Hose Connection:Threaded M22 connection
  • 10" Premium pneumatic wheels
Bestseller No. 15
PressurePro E4042HV Eagle Series Cold Water Direct Drive Pressure Washer, 4200 PSI, 4.0 GPM, GX390...
  • Aircraft grade aluminum frame with lifetime warranty
  • Large flat free tires
  • Dual padded shock absorbing feet- no walking
  • Gun/wand holder
  • Easy access to inlet/outlet fittings
Bestseller No. 16
Generac 6712 3,800 PSI 3.2 GPM Professional Grade Gas Pressure Washer
  • Heavy duty belt-drive AR triplex pump - Up to 3X longer life than direct drive triplex pumps
  • Powerful 302cc Generac OHV engine - Delivers maximum cleaning performance and reliability
  • Compact and lightweight - Up to 50 lbs. less than competitive models
  • Low-oil shutdown sensor - Safeguards the engine
  • Five quick-connect nozzle tips included - 0 degree, 15 degree, 25 degree, 40 degree and soap
SaleBestseller No. 17
BILT HARD Gas Pressure Washer 3100 PSI 2.4 GPM, 5 Nozzle Tips 25ft Hose & Soap Tank, Gas Powered...
  • Handle Tough Jobs - Up to 3100 PSI and 2.4 GPM gas powered pressure washer provides brilliant performance. Welded steel frame construction and powder...
  • Powerful Engine - 170cc 4-stroke OHV vertical cylinder gas engine has a max torque of 6.64 lbf.ft, 3600 RPM, 4.4 maximum horsepower, 0.2 gal fuel...
  • Feature - 25 ft high pressure steel-braided hose is non-marring, kink and abrasion resistant. Built-in 0.42 gal soap tank to add your own detergent or...
  • Multipurpose - 5 quick-change color-coded nozzle tips (0°, 15°, 25°, 40°, soap), from high-impact water beams to soft scattering. Portable...
  • Warranty - We guarantee this product to be free from defects in materials and workmanship 30 days from the date of purchase. Our support team is on...
SaleBestseller No. 18
Champion Power Equipment 4200-PSI 4.0-GPM Commercial Duty Low Profile Gas Pressure Washer
  • POWERFUL: 4200 PSI with 4.0 GPM powered by a Champion 389cc engine
  • VERSATILE: Quick-connect gun, wand and five nozzles, a 50-foot commercial-grade steel braid reinforced, rubber high-pressure hose with Quick Connects...
  • HASSLE-FREE: Ergonomic comfort grip trigger gun reduces fatigue, plus onboard storage for the high-pressure hose, included hose storage strap, trigger...
  • QUALITY: AR Commercial-Grade Triplex Brass Head pump provides the power you need along with a forged brass manifold, providing corrosion resistance
  • CHAMPION SUPPORT: Includes 2-year limited warranty with FREE lifetime technical support from dedicated experts
Bestseller No. 19
Northstar Gas Cold Water Pressure Washer - 4200 PSI, 3.5 GPM, Aircraft-Grade Aluminum Frame, Model#...
  • Honda GX390 OHV engine for quiet, reliable performance
  • CAT 66DX direct drive crankshaft triplex pump for efficiency and durability
  • Rugged 1-1/4in. aircraft-grade aluminum tube frame and 10in. flat-free tires easy portability
  • Cutouts in base make oil changes quick and easy
  • Easy Start prevents pressure buildup for smoother, easier recoil pulling
Bestseller No. 20
EASY-KLEEN PRESSURE SYSTEMS LTD Easy-Kleen Commercial 4000 PSI 3.5 GPM Gas Driven Hot Water Pressure...
  • 14 HP Kohler Gas Engine
  • Triplex Plunger Pump Direct Drive
  • 12 Volt Oil Fired Burner
  • 10 Gallon Poly Fuel Tank
  • Rugged Heavy Duty Frame -Fully Welded and Powder Coated

Having trouble finding a great gas power washers?

This problem is well understood by us because we have gone through the entire gas power washers research process ourselves, which is why we have put together a comprehensive list of the best gas power washerss available in the market today.

After hours of searching and using all the models on the market, we have found the best gas power washers for 2023. See our ranking below!

How Do You Buy The Best Gas Power Washers?

Do you get stressed out thinking about shopping for a great gas power washers? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching gas power washers, which is why we have assembled a comprehensive list of the greatest gas power washers available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for gas power washers that you consider buying. Your questions might include the following:

  • Is it worth buying an gas power washers?
  • What benefits are there with buying an gas power washers?
  • What factors deserve consideration when shopping for an effective gas power washers?
  • Why is it crucial to invest in any gas power washers, much less the best one?
  • Which gas power washers are good in the current market?
  • Where can you find information like this about gas power washers?

We’re convinced that you likely have far more questions than just these regarding gas power washers, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for gas power washers, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible gas power washers. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an gas power washers buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available gas power washers currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of gas power washers has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an gas power washers?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your gas power washers.
  5. Customer Ratings: Number ratings grade gas power washers objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their gas power washers.
  7. Product Quality: You don’t always get what you pay for with an gas power washers, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an gas power washers is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining gas power washers information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding gas power washers is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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