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Greenworks Pro Brushless 3000 PSI 2.0 GPM Max / vs Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM

Updated August 2026 — Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM leads on flow rate and mobility.

The Greenworks Pro offers great value for homeowners, while the Simpson is ideal for professionals needing power and durability.

Why Greenworks Pro Brushless 3000 PSI 2.0 GPM Max / is better

Price

Greenworks Pro costs $499.99, significantly less than Simpson's $1,329.99.

Portability

Greenworks Pro has foldable handles and is lighter.

Versatility

Greenworks Pro is suitable for various home cleaning tasks.

Why Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM is better

Power

Simpson delivers 4200 PSI and 4.0 GPM for heavy-duty tasks.

Durability

Simpson features a corrosion-resistant aluminum frame.

Hose Length

Simpson includes a 50-foot hose for extended reach.

Overall score

Greenworks Pro Brushless 3000 PSI 2.0 GPM Max /
75
Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM
88

Specifications

SpecGreenworks Pro Brushless 3000 PSI 2.0 GPM Max /Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM
EngineElectricHonda GX390
FrameSteelAluminum
Nozzles55
Cleaning Units600016800
Start TypeElectricGas

Dimension comparison

Greenworks Pro Brushless 3000 PSI 2.0 GPM Max /Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM

Overview of the Greenworks Pro Brushless 3000 PSI and Simpson 4200 PSI Gas Pressure Washers

The Greenworks Pro Brushless 3000 PSI is priced at $499.99, making it significantly more affordable than the Simpson 4200 PSI, which retails for $1,329.99. This price difference of about 62% may attract budget-conscious consumers looking for effective cleaning solutions. Both machines target different user needs, making it essential to understand their unique features and capabilities.

Power and Performance

The Simpson 4200 PSI gas pressure washer boasts a powerful Honda GX390 engine, delivering a robust 4200 PSI and a flow rate of 4.0 GPM. This performance is ideal for heavy-duty tasks such as commercial cleaning and demanding projects. In contrast, the Greenworks Pro offers a maximum pressure of 3000 PSI with a flow rate of 2.0 GPM, which, while effective for home use, may not handle extensive professional jobs as efficiently. For users needing maximum cleaning power, the Simpson’s higher PSI and GPM rates could prove advantageous.

Portability and Design

When it comes to portability, the Greenworks Pro is designed with foldable handles and a lightweight structure, enhancing its maneuverability for home use. It weighs less than the Simpson, which is crafted from aircraft-grade aluminum yet weighs 133 lbs, making it less portable for some users. The Greenworks model features multiple grab points for easy transport, making it suitable for various cleaning tasks around the home. Conversely, the Simpson's larger design may be more challenging to transport but offers stability and robustness for professional environments.

Accessories and Ease of Use

Both pressure washers come equipped with essential accessories to enhance their functionality. The Greenworks Pro includes a 25-foot kink-resistant hose and multiple nozzle tips (15°, 25°, 40°, soap, and turbo), facilitating a variety of cleaning tasks. The Simpson 4200 PSI features a 50-foot dual-braided high-pressure hose, allowing for a longer reach during cleaning while also including five quick-connect nozzle tips for versatility. The extended hose length of the Simpson may be beneficial for larger areas, making it a better choice for extensive outdoor cleaning.

Cleaning Versatility

The Greenworks Pro excels in versatility, making it an excellent choice for cleaning tools, equipment, decks, siding, and vehicles. It is particularly suitable for residential tasks due to its effective pressure ratings. The Simpson 4200 PSI, while also versatile, is specifically designed with professionals in mind, making it capable of tackling tougher jobs such as graffiti removal and restoring heavily soiled surfaces. The intended use of each product reflects their design and performance capabilities, with the Simpson being better suited for commercial applications.

Durability and Maintenance

Durability is a key consideration, especially for professionals. The Simpson 4200 PSI is designed with an aluminum frame that resists corrosion, enhancing its longevity in harsh environments. It also features a low-oil shutdown for the engine and a CAT triplex pump with thermal relief to prevent overheating, ensuring it remains reliable over extensive use. The Greenworks Pro, while robust, lacks some of the advanced protective features of the Simpson, which might be a concern for users requiring a pressure washer for frequent, heavy-duty tasks.

Price Comparison

With a price tag of $499.99, the Greenworks Pro Brushless is a budget-friendly option compared to the Simpson 4200 PSI, which costs $1,329.99. This represents a substantial savings of about $830, making the Greenworks Pro appealing for those who need an effective cleaner without the hefty price. However, for professionals who may require the extra power and durability of the Simpson, the investment might justify the cost in terms of efficiency and performance.

Which should you buy?

Choosing between the Greenworks Pro Brushless 3000 PSI and the Simpson 4200 PSI gas pressure washer depends largely on your specific needs. If you are a homeowner looking for a reliable and cost-effective pressure washer for light to moderate tasks, the Greenworks Pro offers excellent value and versatility at a significantly lower price. However, if you are a professional requiring superior power, durability, and a longer hose for extensive cleaning tasks, the Simpson 4200 PSI is a worthwhile investment despite its higher price point. Ultimately, your decision should be guided by the types of projects you plan to undertake and your budget.