Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric vs Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM
Updated August 2026 — Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric wins on ease of use, Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM wins on power and durability.
The Simpson 3400 PSI offers superior power and performance, making it the better choice for heavy-duty cleaning tasks.
Why Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric is better
Price
Greenworks is significantly cheaper at $164.83.
Portability
Greenworks is lighter and easier to transport.
Ease of Use
Greenworks features a push-button start.
Why Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM is better
Power
Simpson delivers 3400 PSI compared to Greenworks' 2100 PSI.
Flow Rate
Simpson has a higher flow rate of 2.5 GPM.
Durability
Simpson's steel frame offers better durability.
Overall score
Specifications
| Spec | Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric | Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM |
|---|---|---|
| Power Source | Electric | Gas |
| Start Type | Push-button | Recoil |
| Nozzles | 4 | 4 |
| Engine | N/A | 208 cc |
| Maintenance | Low | Moderate |
Dimension comparison
Overview of the Greenworks 2100 PSI and Simpson 3400 PSI
The Greenworks 2100 PSI is priced at $164.83, while the Simpson 3400 PSI comes in at $329.00, making the Greenworks model about 50% cheaper. Both pressure washers are designed for residential use, but they cater to different cleaning needs and preferences. The Greenworks model boasts a compact electric design, ideal for lighter cleaning tasks, while the Simpson model offers significantly higher power, suitable for heavier-duty jobs.
Power and Performance
In terms of power, the Simpson 3400 PSI outshines the Greenworks 2100 PSI with a maximum pressure of 3400 PSI compared to Greenworks' 2100 PSI. This results in the Simpson being capable of delivering 2.5 gallons per minute (GPM) versus Greenworks' 1.2 GPM, making it more effective for larger surfaces and tougher grime. The Simpson’s gas engine also ensures reliable performance for extended periods, while the Greenworks electric model is better suited for quick, smaller jobs.
Portability and Design
The Greenworks 2100 PSI is designed with portability in mind, featuring a telescoping handle and internal storage for accessories, making it easy to transport and store. Weighing in at a manageable size, it can be transported effortlessly around the home or job site. In contrast, the Simpson 3400 PSI, while still portable with 10-inch pneumatic tires, has a more robust build which may make it slightly heavier to move around. Its welded steel frame is built for durability but can limit portability compared to the lighter Greenworks model.
Ease of Use
For ease of use, the Greenworks 2100 PSI features a push-button start, which simplifies the process of getting started with your cleaning tasks. This is particularly beneficial for users who may not want to deal with the hassle of gas engines. The Simpson 3400 PSI, while equipped with a reliable engine that starts easily, requires more setup than the Greenworks model. However, it compensates for this with its ergonomic controls and easy-to-connect nozzles, making it user-friendly once operational.
Cleaning Versatility
When it comes to versatility, both models offer a range of nozzles for different cleaning tasks. The Greenworks 2100 PSI includes four different nozzles for various applications, including a soap applicator for extra cleaning power on surfaces like cars and patios. On the other hand, the Simpson 3400 PSI provides four quick-connect nozzle tips, allowing users to easily switch between tasks such as window washing and car cleaning. This versatility makes both pressure washers capable, but the Simpson's higher PSI allows it to tackle a wider range of cleaning challenges effectively.
Maintenance and Durability
In terms of maintenance, the Greenworks 2100 PSI has a simple electric motor, which typically requires less maintenance over time compared to gas-powered models. The Simpson 3400 PSI, while featuring a maintenance-free axial cam pump, will require more attention concerning its engine and fuel system. For users who prefer minimal upkeep, the Greenworks could be the more appealing choice, while those who need heavy-duty cleaning may find the Simpson’s robust design worth the extra maintenance.
Price and Value
At a current price of $164.83, the Greenworks 2100 PSI offers a competitive price point for homeowners looking for a reliable electric pressure washer. In contrast, the Simpson 3400 PSI is priced at $329.00, making it about 100% more expensive. While the Simpson offers greater power and performance, those with lighter cleaning needs might find the Greenworks to provide better value for their investment, especially given its lower price and sufficient capabilities for medium-duty tasks.
Which should you buy?
Deciding between the Greenworks 2100 PSI and the Simpson 3400 PSI ultimately depends on your specific cleaning needs and budget. If you’re looking for a lightweight, budget-friendly option for everyday tasks, the Greenworks model is an excellent choice. However, for homeowners needing a more powerful machine for tougher jobs, the Simpson model offers superior pressure and performance, justifying its higher price. Consider the types of cleaning you will be doing and choose the model that aligns best with your requirements.

