Pressure washers make quick cleaning work of dirt, grime, mold, and stains on patios, driveways, fences, and other outdoor surfaces. Gas pressure washers typically deliver more cleaning power than electric models and often offer better value for homeowners tackling large or demanding projects. The right model for you depends on your budget, cleaning needs, surface type, and portability requirements.
To help you find the best option, we reviewed today’s top-selling gas pressure washers on Amazon and compared each one’s performance, features, and overall value.
Key Takeaways
- Our team ranked the Westinghouse Gas Pressure Washer as the best gas pressure washer because of its powerful 3,400 pounds per square inch (PSI) motor, 4 gallons per minute (GPM) water flow, five quick-connect nozzles, and never-flat wheels.
- Gas pressure washers range in price from $349–$403 for budget-friendly light-duty models to over $700 for professional-level equipment.
- Engine size and power level are the two most important factors to consider when shopping for a gas pressure washer, with 2,000–3,400 PSI being adequate for most household cleaning tasks.
Top 5 Gas Pressure Washers
Here’s our list of the top-five best options for a gas pressure washer on Amazon.
- Westinghouse Gas Pressure Washer: Best Overall
- DEWALT Gas Pressure Washer: Best for Medium Jobs
- Ezasin Gas Pressure Washer: Best Range
- Simpson Cleaning Gas Pressure Washer: Best Warranty
- IvyBess Professional Gas Pressure Washer: Best for Heavy-Duty Cleaning
Compare Top Gas Pressure Washers
The table below highlights our top picks for gas pressure washers.
| Product | Hose Length | Pressure Output | Flow Rate | Weight |
|---|---|---|---|---|
Westinghouse Gas Pressure WasherCheck Price | 25 feet | 3,400 PSI | 2.6 GPM | 63 pounds |
DEWALT Gas Pressure WasherCheck Price | 25 feet | 3,300 PSI | 2.4 GPM | 64 pounds |
Ezasin Gas Pressure WasherCheck Price | 30 feet | 3,600 PSI | 2.3 GPM | 77 pounds |
Simpson Cleaning Gas Pressure WasherCheck Price | 25 feet | 3,600 PSI | 2.5 GPM | 79 pounds |
IvyBess Professional Gas Pressure WasherCheck Price | 33 feet | 4,200 PSI | 4 GPM | 77 pounds |
Our Reviews of the Best Gas Pressure Washers
Our reviews provide a quick overview of our top-rated gas pressure washers, including costs, pros and cons, and what customers have to say about each one.
Best Overall
Westinghouse Gas Pressure Washer
Good for: Routine outdoor pressure washing tasks
This Westinghouse gas-powered pressure washer delivers 3,400 PSI at 2.6 GPM through a 4-cycle overhead valve (OHV) engine paired with a maintenance-free axial cam pump. These features help it blast away years of dirt from driveways and decks, with different spray settings for gentle cleaning or heavy-duty scrubbing. The unit comes with five interchangeable nozzle tips for various cleaning applications and offers built-in soap dispensing and easy mobility around your property. Its never-flat wheels and compact design enable mobility across different surfaces, including concrete, wood, brick, and metal.
Pros and Cons of Westinghouse Gas Pressure Washer
- Comes in other styles with less pressure
- Has a three year warranty on service, labor, and parts
- Features never-flat wheels
- Is criticized by customer in some reviews for having flimsy parts
- May arrive with a fuel smell or residual oil on its body from factory testing
Key Features
- 25-foot hose with never-flat wheels
- 3,400 PSI and 2.6 GPM cleaning power
- Onboard soap tank and 5 nozzle tips
- Weighs 63 pounds
What People Are Saying About The Westinghouse Gas Pressure Washer
We found that customers appreciated the Westinghouse for its straightforward assembly process and powerful performance, with many noting that it outperformed their previous electric models. However, several reviewers reported reliability issues, including engines that shut off unexpectedly during initial use and design flaws, like poor water inlet positioning that caused hoses to vibrate against the unit’s wheels.
Best for Medium Jobs
DEWALT Gas Pressure Washer
Good for: Medium-sized outdoor cleaning projects
This DeWalt gas pressure washer is ideal for cleaning vehicles, roofs, gutters, and various other surfaces. With a powerful 3,300 PSI output and 10-inch tires for easy maneuverability, it’s designed for convenience. This model also includes five quick-connect nozzles and an axial cam pump, plus its 25-foot high-pressure hose is resistant to abrasions and is designed to prevent surface damage. These features work together to make this washer a versatile and well-rounded tool for most household tasks.
Pros and Cons of DEWALT Gas Pressure Washer
- Has a durable steel construction
- Features 10-inch pneumatic tires that work on various terrains
- Includes a low-oil shutdown feature for added safety
- Cord can get in the way when wheeling the pressure washer from place to place
- Removing the hose can become challenging without a shut-off valve
Key Features
- 25-foot abrasion-resistant hose
- 3,300 PSI at 2.4 GPM flow rate
- Five quick-connect nozzles included
- Weighs 64 pounds
What People Are Saying About The DEWALT Gas Pressure Washer
Customers on Amazon have praised the DeWalt pressure washer for its easy assembly, powerful performance, and maneuverability. Users appreciated the well-placed hose connections that simplify attachment. However, some reviews have noted design flaws, like an ineffective wand holder when the hose is connected and poor positioning of the water outlet, which can hinder wand and hose movement.
Best Range
Ezasin Gas Pressure Washer
Good for: Homes with taller roofs or hard-to-reach areas
The Ezasin gas pressure washer delivers 3,600 PSI at 2.3 GPM through a seven-horsepower, four-stroke engine. This provides enough power to strip years of grime from concrete, remove mildew from siding, and clean vehicles without the limitations of electric models. The unit features a built-in hose reel that prevents tangling and simplifies storage, along with wide wheels that roll easily over grass and gravel. Five interchangeable nozzles let you switch from intense spot cleaning to wide, soap-dispensing spraying, making this pressure washer versatile enough to handle most outdoor cleaning projects.
Pros and Cons of Ezasin Gas Pressure Washer
- Uses a built-in hose reel for simple storage
- Has one of the longest hose lengths on our list
- Features quality performance for most medium to large-sized home projects
- Weighs more than other pressure washers with similar features and effectiveness
- Some customer reviews mention challenges in assembly, like having misplaced screwholes
Key Features
- 30-foot hose with built-in reel
- 3,600 PSI with 2.3 GPM flow rate
- Five quick-connect nozzles included
- Weighs 77 pounds
What People Are Saying About The Ezasin Gas Pressure Washer
Customers have reported that the Ezasin gas pressure washer starts easily and provides strong water pressure. Plus, the 30-foot hose eliminates the need for manual winding and extends the unit’s reach. They also report reliable performance with minimal noise or leaks, although some customers noted minor design issues with the hose reel hardware and occasional shipping damage.
Best Warranty
Simpson Cleaning Gas Pressure Washer
Good for: Industrial-level cleaning jobs
The Simpson Aluminum Series pressure washer boasts a lightweight aluminum frame and is powered by a Honda GX200 engine, equipped with low-oil shutdown protection. It features an industrial triplex plunger pump and is used by professional contractors for deck cleaning, wood restoration, paint preparation, and graffiti removal. This model’s aluminum design enhances portability for commercial use while guaranteeing durability for frequent professional tasks.
Pros and Cons of Simpson Cleaning Gas Pressure Washer
- Powerful enough to remove graffiti and mildew
- Comes with additional warranties for the engine, accessories, and pump
- Uses premium pneumatic tires for maneuverability across tricky terrain
- Some customer have noted difficulty with product assembly
- Is criticized in online reviews for leaking oil
Key Features
- 35-foot hose and pneumatic tires
- 3,600 PSI with Honda GX200 engine
- Extended warranties on the engine and pump
- Weighs 79 pounds
What People Are Saying About The Simpson Cleaning Gas Pressure Washer
Amazon customers have praised this Simpson pressure washer for its reliable performance, ease of starting, and robust functionality. Some users said they appreciate operating this model at a lower throttle for quieter cleaning without losing power. Many find the low-profile design good for storage and home cleaning. However, several reviewers noted problems with packaging, citing damaged boxes and loose parts that can lead to oil spills and minor damage in transit.
Best for Heavy-Duty Cleaning
IvyBess Professional Gas Pressure Washer
Good for: Heavily soiled patios and residential surfaces
This gas-powered pressure washer from IvyBliss delivers up to 4,200 PSI and 4 GPM through a 212-cubic-centimeter engine, and comes loaded with five quick-connect nozzles, a 3-liter foam bottle, and a 33-foot hose. The pressure washer also features never-flat rubber wheels that can easily handle grass, gravel, and concrete.
Pros and Cons of IvyBess Professional Gas Pressure Washer
- Costs less than other pressure washers with similar power
- Has enough power to cut through multiple debris and stain types
- Includes five nozzle attachments, a foam bottle, and a lengthy hose
- Customer reviews mention issues with the quality of the hose
- Weighs more than most other gas-powered pressure washer options
Key Features
- 4,200 PSI maximum cleaning pressure
- 4 GPM water flow with 212cc engine
- 33-foot hose and 10-inch wheels
- Weighs 77 pounds
What People Are Saying About The IvyBess Professional Gas Pressure Washer
We found that customers consider this pressure washer a good value for the money. Most praised the pressure washer’s power, with several noting it made quick work of stubborn grime like mildew. That said, the main complaint customers have had is the quality of the hose, with reports of durability issues and leaking connectors.
Gas Pressure Washer Buying Guide
The right tools make heavy-duty cleaning jobs easy. To find the best pressure washer for your home needs, we recommend you consider several important factors.
Engine Specs
When shopping for a gas pressure washer, you’ll find two main engine types: four-stroke engines and two-stroke engines. Four-stroke engines are the clear winner for most homeowners. They’re quieter, last longer, and produce fewer emissions. Two-stroke engines, although lighter and commonly found in smaller tools like chainsaws, require mixing oil with gasoline and tend to make more noise and produce more smoke.
As for horsepower (HP), don’t get too caught up in chasing the highest number. Most residential tasks work perfectly well with engines ranging from three to seven HP. More horsepower mainly helps when you’re running the machine for extended periods or tackling really stubborn buildup.
Hose Connections
A 25–30 foot hose gives you good reach without constantly having to move the machine. Quality brass or stainless steel connections last longer than plastic ones and don’t leak as easily. Quick-connect fittings add a nice touch for swapping nozzles.
Portability
Even “lightweight” gas pressure washers start around 60–70 pounds, so wheels aren’t optional—they’re essential. Look for large, preferably pneumatic tires that roll smoothly over grass and gravel for easier transport.
Pressure Level and Flow
Shopping for the right pressure washer isn’t just about the unit’s pounds per square inch (PSI) measurement, but also water flow, measured in gallons per minute (GPM). Think of pounds per square inch as the “punch” that breaks up dirt, while gallons per minute is the “push” that washes it away. For most homeowner tasks, a pressure range of 2,500–3,500 PSI works great. You’ll want around 2.3–2.5 GPM to go with it.
To put this in perspective: a pressure washer with 2,500 PSI can handle cleaning siding, cars, and decks, while units with 3,000 PSI or higher can tackle concrete driveways and years of built-up grime. Most quality units allow you to adjust pressure with different nozzle tips, so you can go gentle on your car and aggressive on your driveway.
Spray Wands
You’ll typically get four to five spray tips ranging from a narrow 0-degree “pencil jet” for serious spot cleaning to a wide 40-degree fan for general washing, plus a soap nozzle for detergent application.
Pro Tip
- When using the built-in soap dispenser, This Old House experts advise a specific technique: spray detergent starting from the bottom and work your way up, so the solution falling from above lands on already-wet surfaces and doesn’t leave streaks. Then, when rinsing, reverse the process—start from the top and work downward so clean water pushes the grime away.
Reputable Brands
The pressure washer market has some standout performers. For example, Simpson and Westinghouse consistently deliver reliable residential units and provide quality customer support. Honda-powered models from various manufacturers are the gold standard for engine reliability. Generac and DeWALT offer solid mid-range options, while Ryobi provides good value for occasional users. Ezasin offers competitive models alongside top brands, and IvyBliss has surprised many customers with its budget-friendly yet capable models.
We recommend avoiding lesser-known brands unless you’re comfortable with the potential for limited parts availability down the road.
Pressure Washer Safety Considerations
Gas pressure washers have several safety precautions to keep in mind before use. That high-pressure spray can seriously injure you or damage your property if mishandled. Always wear safety glasses and closed-toe shoes when using a high-pressure spray. Consider wearing long pants to protect your legs from debris that may kick back.
Never point the spray gun at people, pets, or yourself. The pressure can inject water under your skin or cause serious cuts. Start with the widest spray pattern and the lowest pressure setting, then adjust as needed. Keep the nozzle moving to avoid dwelling too long in one spot, as this can cause gouging of wood or concrete.
Property damage from pressure washing is surprisingly common and often expensive to repair. Test your pressure and spray pattern on an inconspicuous area first, especially before using a washer on a painted surface, wood siding, or decorative stonework. Stay at least 6–12 inches away from surfaces initially, then move closer only if needed. Show caution around windows, light fixtures, electrical outlets, and air conditioning units. If used incorrectly, pressure washers can crack glass, force water into electrical components, or damage HVAC equipment.
For gas engine safety, always operate these models outdoors in well-ventilated areas. Never add fuel while the engine is hot, and ensure the spark plug wire is disconnected during maintenance. Finally, never use a ladder while pressure washing, as the recoil force can easily knock you off balance.
Pro Tip
- When shopping for a pressure washer, don’t focus on a unit’s pounds per square inch measurement alone—or you may end up with plenty of pressure but not enough flow. This Old House Magazine recommends calculating cleaning units by multiplying pounds per square inch by gallons per minute. This single number gives you a more accurate picture of a pressure washer’s true cleaning power and makes it easier to compare models head-to-head.
How To Maintain Your Gas Pressure Washer
Regular maintenance is the difference between a pressure washer that runs reliably for years and one that breaks down early. Gas pressure washers have both engine components and pump systems that require attention, but the good news is most maintenance tasks are straightforward and take just a few minutes.
Neglecting basic upkeep, especially proper winterization and oil changes, accounts for the majority of premature gas pressure washer failures, so a little prevention goes a long way toward protecting your investment. Here’s a list of some gas pressure washer maintenance steps to keep in mind:
- Check and change the engine oil after every 50 hours of use or annually. Use the oil type as specified in your pressure washer’s user manual.
- Check hoses and connections regularly for cracks, leaks, or loose fittings.
- Clean nozzle tips to remove debris that can affect spray patterns and reduce pressure.
- Clean or replace the air filter every season or as soon as it becomes visibly dirty to prevent engine damage.
- Flush the pump system after each use, especially if you used detergent or cleaning chemicals.
- Inspect and replace the spark plug annually or if the engine runs rough.
- Inspect wheels and handles for damage that could affect portability and safety.
- Keep the unit clean by wiping it down after use and storing it in a dry location away from corrosive chemicals.
- Store with fuel stabilizer or run the engine dry before long-term storage to prevent fuel system clogs.
- Test the low-oil shutdown feature (if equipped) annually to ensure it’s functioning properly.
- Properly winterize by running antifreeze through the pump if you live in a freezing climate.
Pro Tip
- When fueling your gas pressure washer, keep in mind that the shelf life of today’s gasoline is shorter than many homeowners realize. As explained on an episode of This Old House, “You don’t want to stockpile much more fuel than you’ll need in the course of a month. The shelf life of gas is pretty short these days at four to six weeks tops.” Consider using high-octane fuel, which the engine can utilize more effectively, and helps it run better.
FAQs About Gas Pressure Washers
Should I buy a gas or electric pressure washer?
The right model for you depends on your design and use preferences. Gas pressure washers offer greater power and mobility since they don’t require an electrical outlet, making them ideal for large properties and tough cleaning jobs. However, they’re heavier, louder, require more maintenance, and produce emissions. Electric models are quieter, lighter, and easier to maintain, but are limited by cord length and typically offer less cleaning power.
Can I use hot water in my gas pressure washer?
No, standard residential pressure washers are designed for cold water only and can become seriously damaged by hot water. The seals, pump components, and hoses aren’t built to handle high temperatures. Only commercial hot-water pressure washers are designed for use with heated water.
What type of gas pressure washer do I need for home use?
Most homeowners find that a model with 2,500–3,500 PSI and 2.3–2.5 GPM handles virtually all residential tasks effectively. Lower pressure of around 2,500 PSI works well for cars, siding, and decks, while higher pressure of 3,000 PSI or more is ideal for concrete, driveways, and heavy buildup. Don’t over-buy, as excessive pressure can damage surfaces you’re trying to clean.
Is it safe to pressure wash my car?
Yes, but use the widest spray pattern, typically a 40-degree nozzle, and keep it at least 12 inches from the vehicle surface. Never use narrow nozzles or get too close, as you can damage paint, force water into seals, or strip off trim pieces. Work from top to bottom and rinse thoroughly.
How do I winterize my pressure washer?
Winterizing a pressure washer involves either running the engine dry or adding a fuel stabilizer, then flushing the pump with antifreeze designed for pressure washers. This prevents fuel system problems and pump damage from freezing water. Store the unit in a dry, protected location away from freezing temperatures.
Our Methodology
To provide our readers with the best gas pressure washer recommendations possible, we used several key sources to guide our selection process.
- Initial research: Our research began by compiling a list of gas-powered pressure washers with a significant number of verified buyer reviews and an average customer rating of 4–5 stars on Amazon. We examined both positive and negative reviews, focusing on real-world performance and feedback from homeowners who have used these machines for typical residential cleaning tasks, such as driveway cleaning, deck maintenance, and vehicle washing.
- Expert insights: Through years of researching outdoor power equipment, we’ve learned that listening to others is key to writing accurate, well-rounded articles. To complement our in-house expertise, our team analyzed reviews and videos from trusted publications and independent testers, spoke with small-engine mechanics and professional contractors, and drew insights from reader contributions on long-term reliability and maintenance experiences.
- Final product selection: We began fine-tuning our list by replacing older models with the latest versions and eliminating any discontinued gas pressure washer models. From there, we pared the list down by comparing each model’s engine specifications, pump quality, PSI, and GPM output, build construction, and warranty coverage. This helped us select best-in-class pressure washer options for a variety of cleaning needs, budgets, and property sizes—from compact units for occasional use to heavy-duty models for demanding homeowner applications.
Why You Can Trust Us
This Old House has empowered homeowners and do-it-yourself (DIY) enthusiasts for more than four decades with top-notch home improvement advice through television programs, print media, and digital content.
Our team focuses on creating in-depth product and service review content. To date, we’ve published over 1,600 reviews of home products, from doorbell cameras and dining room decor to circular saws and snow blowers.
Once we conclude the research and testing phases, we craft a comprehensive, user-friendly article of recommended products and additional information to help our readers make the right purchase.
