There are lots of pressure washers out there, and one of their most distinguishing features is the means by which they are powered. Aside from the electric-powered and the gasoline-powered pressure washer, there are also gas-powered pressure washers, and this review is centered on the best among these pressure washers.

Our top picks

Best Overall: Generac 7122 SpeedWash, 3200 PSI, Orange on Amazon

Generac’s SPEEDWASH power washers provide you with a complete washing system featuring best-in-class cleaning power.

Powered by Honda: SIMPSON Cleaning PS3228 PowerShot Gas Pressure Washer Powered by Honda GX200 on Amazon

The SIMPSON PowerShot Series is designed to  meet the rigorous demands of the cleaning pro: heavy-duty pressure  washers with flow and reliability.

Best 3100 PSI: SIMPSON Cleaning MS60763-S MegaShot 3100 PSI Gas Pressure Washer on Amazon

The SIMPSON MegaShot Series is perfect for the “Do-it-Yourselfer” looking for maximum performance with minimal investment.

Best 4200 PSI: Champion Power Equipment 4200-PSI 4.0-GPM Commercial Duty Low Profile Gas Pressure Washer on Amazon

Champion’s commercial duty 4200-PSI gas pressure washer with 4.0 GPM  features five nozzles,10-inch tires, a 50-foot high-pressure rubber  hose, and an AR Triplex Brass Head pump.

1. Simpson Cleaning MSH3125-S 3200 PSI

Simpson MSH3125-S Pressure Washer is a well-designed, durable system with ten inches of highly functional wheels. It features a 3200 PSI output and a highly effective Honda engine, plus it is meant for heavy-duty cleaning. One great thing about this Simpson model is the axial cam pump that it features.

Also, it comes with five nozzles that would make the act of washing more entertaining. You can clean anything with Simpson from cars, sidings to decks and patios. It can also help you get your house set for painting.

This pressure washer comes with five unique spray tips and an ergonomic spray gun. It has durable, lightweight, and can easily be moved around. This gas pressure washer is indeed very easy to use. There is no distinct detergent tank in this machine. The customer service of the makers of this product also has a bad reputation for being unprofessional.

2. Generac SpeedWash 7122

Generac SpeedWash is a highly efficient gas pressure washer that features a 2.7 GPM and 3200 PSI output. There are also very useful attachments that come with this pressure washer. There is also a soap blaster and a turbo nozzle for grime and dirt. Also, the product includes a power broom.

Generac SpeedWash also includes a power dial that can help you switch between the different modes of cleaning. The product is generally very easy to use as a result of the additional features that it has.

It comes with an axial pump that has twice the durability of the aluminum pumps that flood the market. It features swift-change nozzles and flexible hoses that make the act of cleaning to be easy and convenient

You’ll have to stick to the maintenance instructions in order to enjoy the warranty conferred by the manufacturers.

3. SIMPSON Cleaning ALH4240 4200 PSI

This gas pressure washer will definitely blow your mind if you fancy a very powerful washing system. You probably are not going to require a sandblasting kit to clean even the stickiest of sake-on stains as a result of the 4200 PSI pressure that the system features. The system can put out up to four gallons of water in a minute. The topnotch Honda GX390 engine that it features would take the questions of durability out of your mind.

With a steel wand of 31 inches, you get five swift connect nozzle tips, and this may be all that you’ll ever require.

This is a highly efficient powerful pressure washer with a CP of 16,000

It also features an aircraft-standard aluminum frame with air-filled wheels. There is also a resilient hose with a 31-inch wand and five unique nozzle tips. At a PSI of 4200, it is expected that the machine would be loud, and this is the case.

4. Generac Gas Pressure Washer Kit 3100 PSI 2.5 GPM

A lot of people would appreciate a pressure washer that is versatile. This is exactly the thing that the makers of this pressure washer foresaw. Generac is not difficult to store, plus it has an upright design. There is a two-wheel system in this lightweight gas pressure washer so that you can easily move around the yard.

The cleaning cap of this pressure washer is around 7.750, and this is the sum of its 2.5 GPM and 3100 PSI. The broom functionality that it features is perfect for leveled surfaces such as a porch or a driveway.

This is a reliable and strong gas-driven pressure washer. It features a power broom functionality that makes washing larger surfaces easy and fast. There is a battery that starts the engine without having to pull the recoil. The frame is somewhat clunky, and utmost care has to be taken when you are moving the washer. To make sure that the warranty is maintained, there is a need to drain the washer after every five hours of activity.

5. SIMPSON Cleaning PS3228 PowerShot

If you are in need of a versatile pressure washer that is gas-powered, then this model is a go-to option for you. It is specially built to handle oil stain, dirt, and grime without any need for additional effort. The general body build is cubical and may need additional storage space.

At about 2.5 GPM, this tool can exert a pressure of up to 3300 PSI so that the general cleaning capacity is pegged to around 8,250. The pressure washer is highly efficient, courtesy to the HONDA GX200 engine that it features.

There are five unique nozzle tips that can help the device get adapted to different functions. The machine also features a PowerBoost Technology that ensures a consistent flow for more extended cleaning sessions. When not in use, it can be hard to store the pressure washer as a result of its cubic frame. Even though the collective weight of the pressure washer is about 83 lb., the wheels are still very useful.

6. Simpson MS60763 Megashot

This model is a very powerful pressure washer, and there is a reason why it is included in this list. It can easily be assembled at the first trial, and it is incredibly easy to use.  It is also suitable for heavy-duty tasks that require you to get rid of grease stains, oil spills, mildew, moss, muck, and grime.

As a bonus, it also comes with certain safety features such as the safety lock function that makes sure that the spray does not go off accidentally. It may cause some grievous damages to the skin when it is directly sprayed to it. This is because it has a very high output for water pressure.

This pressure washer is a very durable product. Includes five different spraying patterns courtesy to its five different nozzles. It is also very easy to use. The pressure consists of plastic of low quality that can easily be damaged. It is not suitable for commercial use, plus it is not easy to start.

7. Generac 6922 with 2800 PSI

Even though this pressure washer is not among the list, it is definitely among them. Generac is an all-inclusive pressure washer that is designed for residential use. The weight of this device is probably influenced by its PSI output. It features four different nozzle tips and a 25 feet high-pressure hose.

The controls of this device are grouped, and the general body design is lovely. The trigger is also easy to pull, and the handle is comfortable for gripping so that your cleaning schedule becomes simple and effortless.

It features a durable frame, plus it is also nicely built. It is designed in such a way that it does not easily get damaged. There is also a soap tank that makes washing easier and fun-filled. It does not feature a regulator for its pressure output. Irrespective of the surface you are cleaning, you would only have to use a power pressure of 2800 PSI.

8. Karcher G2700

This is a trendy brand in the market. It is a gas-powered pressure washer that has a collective output of about 2700 PSI. But then, it is only adapted for home use, and it also belongs to the medium-duty pressure washers.

There is a child a safety lock that ensures that your wards at home don’t tamper with the device in your absence. There are also five unique nozzles for a healthier cleaning experience. It is only about 38.5 pounds in weight, and also relatively cheap. Another great feature of this tool is the fact that it can be conveniently moved without any stress.

It has up to three years of warranty for its engine. It is suitable for general home chores. They do not have good customer service. The product is not a high-end product. It also includes breakable plastic parts.

9. Simpson Cleaning 2400 PSI

The makers of this pressure washer certainly bore convenience in mind when they were designing it. You can be sure of seeing all the qualities of a pressure washer, such as lightweight and others that are of utmost importance to you when you acquire this gadget. The design is excellent for easy maneuvering and storage.

Also, this pressure washer is a go-to option to you if you are keen on performance, courtesy to its SIMPSON OHV engine. The engine is also implicated in the machine’s relatively noiseless operation. At 2 GPM, the engine can conveniently deliver a pressure of 2400 PSI.

This tool is a highly innovative and super-efficient solution built with durable steel. It has a foldable handle that can help you conserve space and makes it portable. The customer support of the makers of this device is topnotch and resourceful. It may take some time and ample patience to master the operational know-how of this tool.

10. A-iPower APW2700C 7HP High-Pressure Washer

When all you need is to have your home, garage, garden, and yard surfaces cleaned, you necessarily do not have to spend a lot of money. This pressure washer is a very efficient model, which is shown in the fact that it has a powerful engine with a capacity of about 6.5 HP.

This model offers you about 6210 cleaning powder. For just one minute, the model has the capacity to blast about 2.3 gallons of water at a pressure of 2700 PSI. It is suitable for home use, and also a very nice car wash alternative. Also, it is readily affordable.

The price of this device is affordable when considering the value that it provides. It includes a 25-feet long hose, and swiftly connects nozzles. It takes a longer time to clean some surfaces such as pathways and concrete driveways efficiently. It is not a commercially suitable pressure gas washer; hence, it is ideal for home uses only.

11. PowerBoss Gas Pressure Washer

This is one of the few pressure washers out there that lives up to its name. Its body includes a heavy-duty frame that harbors a system of two wheels. It also comes with notches that are detachable.

One of the most delightful and most intriguing features that are characteristic of this pressure washer is the HONDA GC190 engine that it includes. Because of the strength of the engine, this machine can deliver up to 3100 PSI. This tool is adapted for cleaning more serious dirt and stains, even though a lot of users consider it as a medium-duty device.

PowerBoss is super-efficient is when it comes to cleaning dirt littered around the yard. Includes four unique and detachable nozzles and a nice-to-handle spray wand. It also features a highly efficient Honda engine that works smoothly. The wheels are too big and may not be ideal for tight spaces. This pressure washer is not suitable for certain tasks that are super heavy-duty.

12. Generac 6602 OneWash 3100 PSI

This pressure washer, which has an output pressure of up to 3100 PSI, doubles as one of the strongest out there.

It is well-suited for certain household cleaning exercises such as the cleaning of rough and dirty surfaces.

The pressure output that it features also makes it a more comfortable option for severely dirty surfaces brick surfaces that are covered by moss.

Even though this is a very powerful washing solution, it does not entirely qualify as a heavy-duty cleaning option.

The pressure strength can be changed with just a simple button push. It can be used for many hours. Includes a handle that can fit your handle’s natural grip. It also includes an easy-to-pull inverted trigger. It includes several plastic parts that can easily be damaged. Before it can start, the machine requires as many as 15 to 20 pulls. The product is not suited for hot water supply. You need to know that before buying it.


You can be saved from your valuable time that you would have dedicated for the purpose of cleaning when you engage the services of pressure washers. These pressure washers that we presented above are some of the go-to choices that you can opt for when you decide to buy a pressure washer.