10 Best Gas Pressure Washers 2025 in the United States

The Westinghouse WPX3400 Gas Pressure Washer is a powerful cleaning tool that delivers 3400 PSI and a maximum flow rate of 2.6 GPM, making it suitable for a variety of tasks, such as cleaning decks, driveways, fences, and vehicles. Its robust 212cc gas-powered engine ensures efficient operation, while the onboard soap tank and five quick connect nozzles provide versatility for different cleaning needs. The 25-foot hose offers ample reach, allowing users to tackle larger areas without moving the unit frequently.

One major strength is its sturdy construction, featuring a tough steel frame and never-flat wheels, which enhance portability and maneuverability, especially on uneven surfaces. With a weight of 63 pounds, it may require some effort to lift but is generally manageable given its design for transport. The included engine oil, tools, and quick start guide make setup straightforward, even for beginners.

However, there are some drawbacks to consider. Being gas-powered means it requires fuel, which can be less convenient than electric models, especially for casual users. Additionally, the noise level tends to be higher, which might not sit well with neighbors during early or late hours. While it performs excellently for tough jobs, those looking for light-duty cleaning might find it a bit excessive.

The SIMPSON Cleaning PS60843 PowerShot is a high-powered gas pressure washer that delivers 4400 PSI and 4.0 GPM, making it suitable for professional tasks like deck cleaning, wood restoration, and paint preparation. Its CRX 420cc engine is easy to start and assemble, generating significant power and reliability through a maintenance-free AAA industrial triplex plunger pump with thermal relief to prevent overheating.

The welded steel frame and powder-coated finish enhance durability and prevent corrosion, while the 13-inch pneumatic tires aid in maneuverability across different terrains. This pressure washer includes a 50-foot high-pressure Monster hose resistant to kinks and abrasions, a 31-inch ergonomic spray gun with an extension wand, and five quick-connect nozzle tips for various cleaning needs.

It can be challenging to transport due to its substantial weight of around 134.7 pounds. Additionally, while the gas power source provides strong performance, it requires regular maintenance and careful handling of fuel. This washer is a solid choice for professionals in need of a robust and reliable cleaning tool, but may be overpowered and cumbersome for casual home use.

The SIMPSON Cleaning PS3228 PowerShot gas pressure washer is a robust choice, especially for professionals like contractors dealing with deck cleaning, wood restoration, and paint preparation. It boasts a powerful 3300 PSI and 2.5 GPM, thanks to the reliable Honda GX200 engine. This ensures high performance and efficiency, making heavy-duty cleaning tasks easier and faster. The machine's AAA industrial triplex plunger pump is both powerful and maintenance-free, enhancing durability and effectiveness with its PowerBoost Technology.

The construction is solid, with a welded steel frame and powder-coated finish for added durability and corrosion resistance. Its portability is supported by 10-inch pneumatic tires, which make it maneuverable across various terrains. The 25-foot MorFlex hose is kink- and abrasion-resistant, adding to its ease of use, although some might find the hose length a bit short for larger areas.

It comes with five quick-connect nozzle tips, allowing for versatile cleaning options, and an ergonomic spray gun with a 16-inch steel wand/lance. However, users should note it is heavy, weighing 77 pounds, which might make it less convenient for frequent transport. Also, the detergent tank volume isn't specified, which might be a consideration for those requiring extended use of detergents. With its numerous features and strong performance, it’s best suited for those needing a reliable and powerful machine for professional or heavy-duty home use.