10 Best Gas Pressure Washers of 2026 — Compared & Reviewed
From compact 2700-PSI machines for cars and patios to 3600-PSI units for driveways and siding, these ten cover the gas pressure washers worth a look this year.
Last updated: September 2026
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How we sized them up
This is a spec-led shortlist built from published specs and retailer listings. We compared max PSI, max GPM, engine brand and size, pump type, hose length, nozzle sets, soap tanks, portability and warranty. For most DIYers, GPM matters as much as PSI — water volume is what rinses a driveway clean. For blowing the leaves off before you wash, see our guide to the best leaf blowers.
The quick cut
Start with the job, then check PSI and GPM. Tap any pick to jump straight to the full breakdown.
Simpson MegaShot 3200 PSI Gas Pressure Washer with Honda GC190 Engine (MSH3125-S)
Model MSH3125-S · ASIN B004MXKUCY
Product image: Simpson manufacturer media.
Who it’s forThe MegaShot is the default recommendation for a reason: a real Honda GC190 engine, 3200 PSI and 2.5 GPM in a package that sells year after year. It is a 49-state unit with a 25-foot MorFlex hose and five quick-connect nozzles. If you are washing a driveway, siding and vehicles with one machine, this is the safest pick on the list.
Westinghouse 2700 PSI Gas Pressure Washer with 5 Nozzle Set (WPX2700)
Model WPX2700 · ASIN B07PZ8Q1X4
Product image: Acme Tools retail listing.
Who it’s forThe WPX2700 is the cheapest way onto this list, and it still includes the stuff that matters: a half-gallon onboard soap tank, five quick-connect nozzles and a 25-foot hose. At 2700 PSI and 2.3 GPM it is aimed at cars, patio furniture, fences and decks. Backed by a 3-year limited warranty.
Simpson PowerShot 3300 PSI Gas Pressure Washer with Honda GX200 Engine (PS3228)
Model PS3228-S · ASIN B007QDYQEK
Product image: Simpson manufacturer media.
Who it’s forThe PowerShot steps up to Simpson’s commercial series: a Honda GX200 engine, an AAA triplex pump and a welded steel frame on pneumatic tires. It is marketed to contractors doing deck cleaning, paint prep and graffiti removal, but a homeowner with a big driveway will notice the difference too. It includes five QC nozzle tips and a 25-foot 5/16-inch MorFlex hose.
Simpson Aluminum Series 3600 PSI Gas Pressure Washer with Honda GX200 Engine (ALH3425)
Model ALH3425 · ASIN B00U30KGXI
Product image: Amazon product media.
Who it’s forThe ALH3425 pairs a Honda GX200 with Simpson’s aluminum frame and 3600 PSI at 2.5 GPM — the highest pressure on this list. It ships with a 35-foot hose, longer than most, plus five QC nozzle tips, a spray gun and an extension wand. Buy it for heavy concrete, large driveways and commercial-duty jobs where maximum PSI counts.
Westinghouse 3200 PSI Gas Pressure Washer with Onboard Soap Tank (WPX3200)
Model WPX3200 · ASIN B07PY4Z7R9
Product image: APW retail listing.
Who it’s forThe WPX3200 sits in the middle of Westinghouse’s line with 3200 PSI, 2.5 GPM, an onboard soap tank and onboard storage for all five nozzles, the gun and the wand. The Westinghouse 4-stroke engine includes a 3-year limited warranty. It is the pick when you want one machine that stores neatly and handles most weekend jobs.
Specifications
Max pressure
3200 PSI
Max flow
2.5 GPM
Engine
Westinghouse 4-stroke OHV
Pump
Maintenance-free axial cam
Hose
25 ft
Storage
Onboard nozzle, gun and wand storage
Pros
Onboard soap tank and tool storage
Solid mid-range PSI and GPM
3-year limited warranty
Cons
Axial cam pump with a shorter service life than triplex pumps
Westinghouse 3400 PSI Gas Pressure Washer with Onboard Soap Tank (WPX3400)
Model WPX3400 · ASIN B094DWHPDL
Product image: Amazon product media.
Who it’s forThe WPX3400 has been one of the top-ranked pressure washers on Amazon for years, with 3400 PSI and 2.6 GPM from a 212cc Westinghouse engine. It comes with a 25-foot abrasion-resistant hose, five quick-connect nozzles, a half-gallon onboard soap tank and 12-inch never-flat wheels. The combination of output, extras and price keeps it near the top of the sales charts.
DeWalt 3300 PSI Gas Pressure Washer with Honda GCV200 Engine (DXPW3300-S)
Model DXPW3300-S (61147S) · ASIN B09ZHG2NDM
Product image: Proper DIY Pro review.
Who it’s forDeWalt’s gas pressure washer is a 3300 PSI, 2.4 GPM unit powered by a Honda GCV200 engine, with five quick-connect nozzles and a 25-foot hose. The roll-bar design and big pneumatic tires suit truck-and-trailer work. It is 49-state certified and aimed at contractors who already run DeWalt tools on site.
Simpson Clean Machine 3400 PSI Gas Pressure Washer (CM61083)
Model CM61083 · ASIN B086XGSLQC
Product image: Walmart retail listing.
Who it’s forThe Clean Machine CM61083 packs 3400 PSI and 2.5 GPM around a Simpson CRX 210 engine, with an axial cam pump, four QC nozzle tips and a 25-foot MorFlex hose. It sits between the MegaShot and the PowerShot in Simpson’s lineup: more pressure than the classic, a friendlier price than the commercial series.
Simpson Clean Machine 3200 PSI Gas Pressure Washer with Turbo Nozzle (CM61456-S)
Model CM61456-S · ASIN B0F8JJMR4M
Product image: Tractor Supply retail listing.
Who it’s forThe CM61456-S is the Clean Machine configured for concrete: 3200 PSI and 2.5 GPM with a soap tank, a 25-foot HyFlex hose and a turbo nozzle, which spins the stream for faster cleaning of driveways, garage floors and patios. It is a 49-state unit with onboard storage for the gun, wand and nozzles.
Specifications
Max pressure
3200 PSI
Max flow
2.5 GPM
Pump
Axial cam
Hose
25 ft HyFlex
Soap tank
Onboard
Nozzles
Includes turbo nozzle
Pros
Turbo nozzle included for faster concrete cleaning
WEN 3400 PSI Gas Pressure Washer with 30-Foot Hose (PW3400)
Model PW3400 · ASIN B0BXZZJM8J
Product image: Alden Generators retail listing.
Who it’s forThe PW3400 delivers 3400 PSI and 2.7 GPM — the highest flow rate here — with a 30-foot reinforced hose that reaches around vehicles and along fences without dragging the unit behind you. It includes five quick-connect nozzles, an onboard soap tank and 10-inch wheels, backed by a 2-year warranty. The unit is CARB compliant.
Match the washer to the surfaces you clean and the water supply you have.
PSI and GPM together
PSI is how hard the water hits; GPM is how much water moves. Multiply them for cleaning units, but focus on GPM for big areas — a 2.5 GPM unit rinses a driveway noticeably faster than a 2.3 GPM one, even at the same PSI.
Engine and pump
Honda engines and AAA triplex pumps are the long-life combination on the commercial picks. Axial cam pumps are maintenance-free and keep residential units affordable, but they wear faster under daily use. Running a pump without water, even briefly, damages any pump.
Hose, nozzles and soap
A 25-foot hose is standard; 30 or 35 feet means fewer trips around the car. Five quick-connect nozzles cover most jobs, and a turbo nozzle speeds up concrete work. An onboard soap tank is handy for siding and vehicles, though a siphon tube does the same job on machines without one.
Specifications are based on published manufacturer and retailer information for the listed models. Check the current product listing for package contents and compatibility before ordering.
