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Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact vs Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM

Updated August 2026 — Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact wins on warranty, Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM wins on power and hose length.

The Greenworks 1900 PSI is a budget-friendly option for light cleaning tasks, while the Simpson 3400 PSI excels in power for heavy-duty jobs.

Why Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact is better

Price

Greenworks is significantly cheaper at $127.99.

Portability

Greenworks is lighter and easier to transport.

Ease of Use

Greenworks has a hassle-free electric operation.

Why Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM is better

Power

Simpson delivers 3400 PSI, nearly double Greenworks.

Durability

Simpson has a robust welded steel frame.

Cleaning Versatility

Simpson includes four quick-connect nozzles.

Overall score

Greenworks 1900 PSI 1.2 GPM 13Amp Portable Compact
70
Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM
85

Specifications

SpecGreenworks 1900 PSI 1.2 GPM 13Amp Portable CompactSimpson 3400 PSI Gas Pressure Washer, 2.5 GPM
Power SourceElectricGas
Warranty3 years2 years
Start TypePush-buttonRecoil
Nozzles34
Sales Rank41955717

Dimension comparison

Greenworks 1900 PSI 1.2 GPM 13Amp Portable CompactSimpson 3400 PSI Gas Pressure Washer, 2.5 GPM

Price Comparison

The Greenworks 1900 PSI is significantly more budget-friendly than the Simpson 3400 PSI, making it an attractive option for those looking to save money. Priced at $127.99, the Greenworks model is about 61% cheaper than the Simpson, which retails for $329.00. This substantial price difference may appeal to homeowners who require a pressure washer for occasional use rather than heavy-duty tasks. While the Simpson is designed for larger jobs, the Greenworks offers effective cleaning power for everyday household needs without breaking the bank.

Power and Performance

When it comes to power, the Simpson 3400 PSI outshines the Greenworks 1900 PSI, delivering nearly double the pressure. The Simpson offers 3400 PSI at 2.5 GPM, which makes it ideal for tackling tough cleaning jobs like driveways and siding. In contrast, the Greenworks model provides 1900 PSI at 1.2 GPM, making it suitable for light to moderate tasks such as washing cars and patios. This difference in power means that while the Greenworks is adept at general cleaning, the Simpson is better equipped for heavy-duty projects requiring more intense pressure.

Portability and Design

Portability is a strong suit for the Greenworks 1900 PSI, which features a compact design and heavy-duty wheels for easy transport. It weighs significantly less than the Simpson, making it user-friendly for those who may need to move the washer frequently. The Simpson, while also designed for easy mobility with its 10-inch pneumatic tires, is bulkier and weighs 64 lbs, which may hinder transportability for some users. For those who prioritize lightweight and compact equipment, the Greenworks may be the preferable choice.

Durability and Build Quality

In terms of durability, the Simpson 3400 PSI boasts a robust construction with a welded steel frame and a powder-coated finish that resists corrosion. This build makes it suitable for more demanding environments and frequent use. The Greenworks 1900 PSI, while also durable, is designed more for residential use with an emphasis on lightweight portability. Although both models are built to last, the Simpson’s materials and design cater to users who require a more rugged machine for extensive outdoor cleaning tasks.

Cleaning Versatility

The Greenworks 1900 PSI offers an array of cleaning versatility with its three specialized nozzles, allowing it to handle various surfaces effectively. From cleaning vehicles to patios and outdoor furniture, it provides adaptability for light cleaning tasks. On the other hand, the Simpson 3400 PSI includes four quick-connect nozzles, enabling it to tackle a broader range of cleaning jobs, from washing windows to heavy-duty applications. This versatility makes the Simpson a more comprehensive choice for homeowners who need a multi-functional cleaning tool.

Maintenance and Ease of Use

The Greenworks model features a hassle-free, push-button start and is designed for easy maintenance with its electric operation, eliminating the need for fuel and oil changes. The Simpson, with its gas engine, requires more maintenance, including monitoring oil levels and dealing with fuel. While the Simpson's maintenance may seem more involved, it offers reliable starts and consistent pressure with its low-oil shutdown feature. Users looking for convenience may lean towards the Greenworks for its straightforward operation.

Customer Ratings and Popularity

Both the Greenworks 1900 PSI and Simpson 3400 PSI have respectable sales ranks, with Greenworks sitting at 4195 and Simpson at 5717. The Greenworks model's higher sales rank suggests that it may be more popular among consumers, likely due to its affordability and suitability for everyday cleaning tasks. However, the Simpson's robust performance and capabilities make it an appealing option for those with more demanding cleaning needs, indicating that both products have carved out their niches in the market.

Which should you buy?

Choosing between the Greenworks 1900 PSI and the Simpson 3400 PSI ultimately depends on your specific cleaning needs and budget. If you are looking for a cost-effective, portable option for light to moderate cleaning tasks, the Greenworks is an excellent choice at $127.99. However, if you require a powerful machine capable of tackling heavy-duty jobs and are willing to invest more—at $329.00—the Simpson is the superior option. Weighing factors like power, portability, maintenance, and versatility will help you make the best decision tailored to your cleaning requirements.