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Buyers Guide & Information

Best Gas Pressure Washers Reviewed

We have rated the top gas-powered models on the market for all budgets.

by

Buyers Guide & Information

Best Gas Pressure Washers Reviewed

We have rated the top gas-powered models on the market for all budgets.

by JohnL

by JohnL

To find the best gas pressure washer, you must evaluate several factors. You need to look through gas pressure washer reviews to see what other customers think, but also want to consider the differences between electric vs gas pressure washers. We evaluate the available options to help you find the best gas pressure washer brand for your needs.

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Product

Pressure:

Engine Size:

Check Price

SIMPSON Cleaning PS3228 PowerShot Gas Pressure...

SIMPSON Cleaning PS3228 PowerShot

3300 psi

196 cc

CRAFTSMAN CMXGWAS021021 2800 MAX PSI 2.3 MAX GPM...

CRAFTSMAN CMXGWAS021021

2800 psi

163 cc

WEN PW3100 Gas-Powered 3100 PSI 208cc Pressure...

WEN PW3100

3100 psi

208 cc

Champion 3200-PSI 2.4-GPM Dolly-Style Gas Pressure...

Champion 3200-PSI

3200 psi

224 cc

PowerBoss Gas Pressure Washer 3100 PSI, 2.7 GPM...

PowerBoss

3100 psi

187 cc

Generac SpeedWash 7122 3200 PSI 2.7 GPM 196cc Gas...

Generac SpeedWash 7122

3200 psi

196 cc

NorthStar Trailer-Mounted Hot Water Commercial...

NorthStar Trailer-Mounted 

4000 psi

688 cc

Advantages of Choosing a Gas Pressure Washer

A gas pressure washer can be used on a multitude of items, from driveways to patios and furniture to cars. You don’t need to plug in the gas powered pressure washer, as you would with an electric model. In addition, the gas powered hot water pressure washer puts out a lot of force for stubborn jobs.

If you want to remove paint, you won’t have any trouble with this piece of equipment. Because there is no power cord involved, you have less to carry around as well. However, you want to keep in mind that this model is likely made from metal, which does make it heavier than many electric-powered pressure washers.


Buying a High-Quality Gas Pressure Washer

Pressure & Cleaning Power

PSI is the measurement used to tell you how strong the pressure is. If this number is high, the machine is powerful. PSI stands for Pressure per Square Inch, so you want a higher number for your tough jobs. Make sure you also pay attention to the GPM, which relates to how many gallons of water are used per minute, and the CP, which is the overall cleaning power. 

Engine Capacity

If you want the best gas powered pressure washer for a multitude of jobs, you want a robust and dependable engine running it. Look for the cc, which shows the engine capacity. The higher this number is, the more pressure you should be able to achieve with your machine. This is also determined by the type of pump the unit contains.

Noise Level

In general, gas-powered pressure washers are louder than the electric counterparts. You can view the decibel rating to determine how loud the machine is. Depending on the noise level, you will want to have safety gear on hand to protect your ears. Consider your neighbors and where you will be using the machine when you decide how loud you want your unit to be. 

Storage & Portability

Does the gas-powered pressure washer have on-board storage to hold all of the nozzles, hoses, and attachments? Furthermore, how difficult will it be to store? You want to look at the difficulty of winterizing the unit as well as the portability. In general, gas pressure washers can be heavy and challenging to transport.

Pump Type

A wobble pump uses a plate that is connected to a drive shaft. It pushes the piston back and forth, which sucks in the water and pushes it out. This type is 70 percent efficient because of the effort used to push against the water. With an axial cam pump, you get higher PSI and GPM. The pistons rotate around a swashplate while the pistons suck up the water and push it back out. With a triplex plunger pump, you get maximum durability, but also a higher cost. In total, it will run at a lower RPM and remain much cooler than the other options.

Convenience

Unless you enjoy putting machines together, you don’t want a pressure washer that requires complicated assembly. It helps to read through the gas powered pressure washer reviews to see how involved the units are to assemble and how easy each is to use. After all, you want to focus on getting a job done, not messing around with hard-to-understand instructions.

Extra Features & Accessories

You can find gas-powered washers with a lot of additional features, but each one will add to the overall cost. Auto-shutdown is one of the safety features you should consider. In addition, you can find machines that allow for both hot and cold water applications. Make sure you take inventory of the nozzles and attachments that are included to determine what else you might need to purchase.

Price & Warranty

Everyone wants a cheap gas pressure washer, but sometimes skimping on the cost means settling for a machine with less power or durability. Instead, you should look at the brands and find a lower-cost option from a reputable company. You also want to pay attention to the warranty that’s included for additional peace of mind.


7 Best Gas Pressure Washers Reviewed

1. SIMPSON Cleaning PS3228 PowerShot

Our top Pick

Pressure

3300 psi

GPM

2.5 gallons

Engine Size

196 cc

Nozzles

0°, 15°, 25°, 40°, soap

Hose Length

25-ft

Warranty

Yes, 90-day accessory, 3-year motor, 5-year pump, 10-year frame

Our top pick might as well be referred to as a Honda gas pressure washer because it contains a GX200 engine complete with an oil alert for maximum durability. In fact, this Simpson gas pressure washer comes with a three-year engine warranty, which only proves how competent the manufacturer is. In addition to a strong engine, you also get an AAA industrial-grade triplex plunger pump complete with PowerBoost technology for smooth water flow. It even includes additional pump protection with a bypass mode.

This 3300 PSI pressure washer includes a 5/16 in. x 25 ft. MorFlex hose that doesn’t kink and is abrasion-resistant. The welded-steel frame and ten-inch pneumatic wheels make transport simple. With your purchase, you will receive five quick-connect nozzle tips to get started. You can use this commercial-grade washer on your siding, fences, driveways, painting prep, concrete, pavement, and for mildew removal.

In addition to the three-year engine warranty, you also get a five-year pump warranty as well as ten years on the frame and ninety days for accessories. That’s one of the most comprehensive warranties in the industry. Of course, you are going to pay a little more for this type of durability and versatility, but we are sure you will be pleased with the choice.

Pros

  • Comprehensive warranty
  • Powerful Honda engine
  • Strong metal construction
  • Pneumatic tires
  • High pressure

Cons

  • Expensive

2. CRAFTSMAN CMXGWAS021021

Runner Up

Pressure

2800 psi

GPM

2.3 gallons

Engine Size

163 cc

Nozzles

0°, 15°, 40°, soap

Hose Length

25-ft

Warranty

Yes, 2-year pump, 3-year frame

According to the Craftsman gas pressure washer reviews, this is the ideal model for everyday use. It is constructed in the United States and simple to maintain. This Craftsman gas pressure washer features no choke and no prime. Plus, you don’t need to change the oil with the included Briggs & Stratton 163cc engine.

This unit has an axial cam pump and Easy Start technology for quick use. There’s no limit to the items you can clean with the 2800 PSI versatility. It also comes with four quick connect nozzles and a 25-foot flexible hose to make maneuvering simple. In fact, the ten-inch Never Go Flat wheels allow you to travel among a variety of terrains for maximum portability.

If you want to use soap, just use soap in the 32-ounce container or inject it into the water stream with a siphon hose. The weight of this unit and the price are both on the lower side, making it a great choice, even when you are on a budget. Of course, there are some sacrifices made at that lower price. This unit has fewer warranties than the last model. You will only get a two-year engine warranty and three years on the frame.

Pros

  • Reasonable price
  • Never change oil
  • Easy start
  • Never-go-flat tires

Cons

  • Less warranty coverage

3. WEN PW3100

Value for Money

Pressure

3100 psi

GPM

2.5 gallons

Engine Size

208 cc

Nozzles

0°, 15°, 25°, 40°, Soap

Hose Length

30-ft

Warranty

Yes, 2-year

Few machines can compete with this WEN gas pressure washer. It is equipped with a 208 cc engine that can pump up to 2.5 gallons per minute. You can choose this 3100 PSI unit, or opt for the smaller 2800 PSI machine instead. This particular pressure washer has five quick-connect nozzles and an axial cam pump for reliable, smooth spraying.

Use the 12-inch wheels to move the pressure washer on any terrain. At 75 pounds, it isn't the lightest machine on the market, but also not overly burdensome either. You could easily take it to your job sites with ease. It also comes with a quick-connect spray gun, 30-foot reinforced hose, and 32-ounce onboard soap tank.

The price on the WEN machine can’t be beaten, which makes the WEN PW3100 the best value for money pick. However, that lower price comes at a cost. You only get a two-year warranty. However, the company has a customer service helpline in conjunction with skilled technicians nationwide for a quick repair if anything should go wrong. Plus, the manufacturer has been a leader since 1951. According to the WEN pressure washer reviews, you won't run out of ways to use this machine. Clean off the driveway, strip paint, and clean your car with ease. 

Pros

  • Cheap
  • Reliable brand
  • 12-inch tires
  • Easy to use

Cons

  • Lower warranty term

4. Champion 3200-PSI

Large Engine

Pressure

3200 psi

GPM

2.4 gallons

Engine Size

224 cc

Nozzles

0°, 15°, 25°, 40°, Soap

Hose Length

25-ft

Warranty

Yes, 2-year

If you want maximum power out of your gas pressure washer, you want to check out this Champion model. It features 3200 PSI and 2.4 GPM thanks to the 224cc engine. It is constructed with a high-performance Annovi Reverberi axial cam pump that offers steady pressure for a consistent clean.

Plus, the machine is versatile. It comes with a trigger gun and five nozzles. You also get a four-foot detergent hose, 25-foot high-pressure hose, and two half-gallon onboard detergent tanks. There are so many ways to use this pressure washer at home or on the job site. The ergonomic trigger gun helps to reduce fatigue, so you can spend hours cleaning without a break. With the onboard storage, you can put the trigger gun, spray wand, and hose away in minutes for complete storage. On top of that, the unique design allows it to fit in compact spaces.

Even with the additional power, this Champion pressure washer has a reasonable price. Plus, the 12-inch never-flat tires will take you where you want to go. The only downside is a minimal two-year limited warranty, but the company does provide lifetime technical support for free. According to the reviews, it’s unlikely you will ever need to use it.

Pros

  • Powerful
  • Compact design
  • 12-inch never-flat tires
  • On-board storage

Cons

  • Short warranty

5. PowerBoss

Best for Light to Medium Use

Pressure

3100 psi

GPM

2.7 gallons

Engine Size

187 cc

Nozzles

0°, 15°, 40°, Soap

Hose Length

25-ft

Warranty

Yes, 2-year

Among the Honda gas pressure washer reviews, this PowerBoss continues to lead the pack. It is equipped with a GC190 187cc engine that produces 3100 PSI and 2.7 max GPM. With this kind of durability on your side, you won’t have to worry about buying a new pressure washer anytime soon.

The maintenance-free axial cam pump features Easy-Start technology, so you can start cleaning right away. Just attach one of the four quick-connect tips to the durable steel wand. It also features a 25-foot flexible hose that can handle the high pressure and tough jobs. In comparison to the other machines, this one has the largest tanks so far, with the capability to hold up to one gallon of detergent.

The ten-inch pneumatic wheels help you to take the pressure washer to any location. You can use this to accomplish light to medium-sized household or industrial tasks with ease. While we can’t complain about the price, the two-year warranty leaves us a little apprehensive. However, with a Honda engine at the helm of this machine, it’s unlikely you will ever need to file for support. The PowerBoss reviews further back up the durability and quality of this gas pressure washer.

Pros

  • Durable
  • Powerful engine
  • Easy-Start technology
  • Flexible hose

Cons

  • Hard to maneuver

6. Generac SpeedWash 7122

Best Gas Pressure Washer for Cars

Pressure

3200 psi

GPM

2.7 gallons

Engine Size

196 cc

Nozzles

0°, 25°, 40°, Soap

Hose Length

30-ft

Warranty

Yes, 3-year

Are you hoping to get a gas pressure washer that makes cleaning the car easier than ever? This Generac helps you to clean smarter and up to fifty percent faster. The 196cc engine produces 3200 PSI and up to 2.7 GPM. You can use the Power Dial ergonomic spray gun to adjust pressures between four different tasks: car, concrete, soap, or wood. 

With the included attachment, you will have the right tools for any job. The turbo nozzle helps you to remove grime and dirt faster. There is also a soap blaster spray to send detergent farther than ever. If that’s not enough, there’s an included power broom to help you clean off the car surface with ease. This machine comes with a 30-foot high-pressure flexible hose that’s non-marring and kink-resistant. That’s about five-feet longer than the standard hoses. You also get four quick-change nozzle tips.

While it comes with a reasonable price and typical weight, it can be hard to maneuver on certain terrains. However, the company does back up this pressure washer with a three-year warranty. That’s just one of the reasons that the Generac reviews continue to rate this so highly among pressure washers. Get your car cleaner in less time and save money by avoiding car washes.

Pros

  • Long flexible hose
  • Powerful engine
  • Accessories to wash car
  • Power Dial ergonomic spray gun

Cons

  • Hard to move on some terrain

7. NorthStar 

Best Commercial Gas Pressure Washer

Pressure

4000 psi

GPM

4 gallons

Engine Size

688 cc

Nozzles

0°, 15°, 25°, 40°, Soap

Hose Length

150-ft

Warranty

Yes, 3-year

If the price isn’t a concern and you simply want the best, you would do good to buy the NorthStar commercial pressure washer. It has a self-contained 200-gallon water tank that delivers hot water on the go. It’s the ideal option for operators that need to work at remote job sites without running water or electricity. It’s powered by a Honda GX630 V-twin engine to produce 4,000 PSI and up to 4 GPM.

This trailer-mounted hot water pressure washer comes with a durable gun, 150-foot non-marking hose, five quick-connect nozzles, and two hose reels. With these accessories and hot water blasting out of the unit, you won't have trouble cutting through the deepest, thickest grime and dirt.

What really sets this unit apart is the attached trailer. It includes a 3,500-pound capacity trailer with lights, an aluminum truck storage box, and torsion axle suspension for a complete package. Because of this design, you can go anywhere with your pressure washer. What will stop most people from purchasing this unit is the price.

On top of that, it also weighs 1,460 pounds. However, if you need to complete industrial-strength jobs, you can’t do better than this commercial pressure washer complete with a three-year warranty.

Pros

  • Commercial-grade cleaning
  • Powerful capability
  • Strong Honda motor
  • Includes trailer
  • Pumps out up to 200 gallons of hot water

Cons

  • Expensive
  • Heavy

Comparing Gas Vs Electric Pressure Washers

Is the best pressure washer gas or electric? Choosing between a gas or electric pressure washer requires you to examine what’s important to you. Electric-powered pressure washers have less power than even the cheapest gas washers.

In addition, you will need to be near a power source or generator to use the electric-powered machine. On the other hand, the gas-powered pressure washer is heavier and requires more maintenance. Plus, you must make sure you have fuel for operation.


Care & Maintenance

If you want your gas pressure washer to last many years, it helps to follow these maintenance tips.

  • Check the oil and fuel levels before each use.
  • Clean dirty screens before using.
  • Rinse all of the detergent out of the pressure washer before storing it.
  • Remove all of the water from the machine when it’s not in use.
  • Clean off any debris before storing the unit.
  • Only use recommended fuel, cleaning agents, and chemicals with your model. You can find this information in the owner's manual.

Frequently Asked Questions

How do I turn on, start, and turn off a gas washer?
After you check the fuel and oil levels, you will switch the fuel valve ON. Put the choke on and move the throttle to the maximum position. Turn the motor on and pull the starter grip. After a few minutes, move the throttle to RUN. Make sure you allow the pressure washer to cool off before storing it.
How do I adjust the pressure levels?
Control the pressure with the engine’s motor valve and regulator knob. Or, you can adjust the nozzle angle and spray pattern.
What does it mean to tune-up? How do I do it?
To tune-up a gas-powered pressure washer, you want to change the oil after the first five hours of service, and then every fifty after that. You will also need to replace the screens, o-rings, and seals when they become worn out.
What PSI is safe for washing cars?
It’s best to set your pressure washer between 1200 and 1900 PSI. Start with the lowest setting and move up slowly until you reach the pressure you need.
What kind of oil and gas is suitable for a gas pressure washer?
You can use regular gasoline with an octane rating of 87 in your pressure washer. If you use the machine in temperatures above 40-degrees Fahrenheit, you will want 10W30 oil, but might opt for 5W-30 in colder climates to make startup easier.
How to use a soap solution in a gas pressure washer?
You will want to reference the owner’s manual to determine what soaps and chemicals are compatible with your machine. Then, simply add them to the included reservoir. Just make sure it is thoroughly cleaned out before storing the unit. 
What are the steps for winterizing a pressure washer?
Anytime you are going to store the gas pressure washer for thirty days or more, you should winterize it. You will need a fuel stabilizer and must remove the water from the system. Run the stabilizer through the engine for two minutes. Then, remove all of the water and any remaining detergent from your system. You can also add a pump saver before putting it in storage.
Are there any risks or safety precautions when using a gas pressure washer?
You don’t want to use your gas pressure washer in an enclosed area. It’s best to use outdoors or in a well-ventilated garage with the doors open. In addition, don’t point the high-pressure stream at anyone or attempt to touch it.
What are the best gas pressure washer brands?
We recommend a variety of brands, including NorthStar, Champion, WEN, Craftsman, and Simpson.
Where can I find the best deals on gas pressure washers?
We find the best selection and prices on gas pressure washers at Amazon. Plus, there are plenty of the best gas pressure washer reviews written by actual customers to help you get the machine that fits your needs.

Conclusion

For most applications, the SIMPSON Cleaning PS3228 PowerShot is the top choice. Among the other candidates, this continues to be rated highly in all of the best gas powered pressure washer reviews we read from customers. You can use this Honda-powered machine for your household or industrial needs as well.

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