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Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM vs Westinghouse ePX3100v Electric Pressure Washer,

Updated July 2026 — Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM leads on price and sales rank.

The Simpson 3400 PSI Gas Pressure Washer excels in power and performance, while the Westinghouse ePX3100v offers a more affordable and portable option for lighter tasks.

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

Power

3400 PSI vs 2100 PSI

Flow Rate

2.5 GPM vs 1.76 GPM

Durability

Built for heavy-duty use

Why Westinghouse ePX3100v Electric Pressure Washer, is better

Price

$119 vs $329

Weight

18 lbs vs 64 lbs

Portability

Compact design with built-in handle

Overall score

Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM
85
Westinghouse ePX3100v Electric Pressure Washer,
70

Specifications

SpecSimpson 3400 PSI Gas Pressure Washer, 2.5 GPMWestinghouse ePX3100v Electric Pressure Washer,
Engine TypeGasElectric
Pump TypeAxial CamStandard
Nozzle Options43
WarrantyN/A3 years
Total Stop SystemNoYes

Dimension comparison

Simpson 3400 PSI Gas Pressure Washer, 2.5 GPMWestinghouse ePX3100v Electric Pressure Washer,

Overview of the Simpson 3400 PSI Gas Pressure Washer

The Simpson 3400 PSI Gas Pressure Washer is a powerful cleaning solution for homeowners, boasting a considerable 3400 PSI at a flow rate of 2.5 GPM. This gas-powered unit is particularly suited for intense cleaning tasks on various surfaces like decks, driveways, and vehicles. With a price of $329.00, it stands as a robust option but may feel steep compared to electric alternatives.

In contrast, the Westinghouse ePX3100v Electric Pressure Washer delivers a maximum pressure of 2100 PSI and a flow rate of 1.76 GPM, priced at a significantly lower $119.00. While it lacks the sheer power of the Simpson, its compact design and ease of use make it a compelling choice for lighter cleaning tasks.

Cleaning Power and Performance

The Simpson 3400 PSI Gas Pressure Washer is built for heavy-duty cleaning, capable of tackling the most challenging grime with its high pressure and flow rate. The gas engine, along with a maintenance-free pump, ensures reliable performance, making it ideal for extensive projects requiring significant power. Users can expect effective results on tough surfaces like concrete and siding.

On the other hand, the Westinghouse ePX3100v is designed for lighter cleaning needs. While it offers respectable 2100 PSI and 1.76 GPM, it is more suitable for everyday tasks like washing cars and patios. Although it may not match the Simpson's power, its ease of use and lightweight design (just 18 pounds) make it appealing for quick clean-ups.

Portability and Design

Portability is a key factor when choosing a pressure washer. The Simpson 3400 PSI model weighs 64 pounds and features 10" premium pneumatic tires for mobility across various terrains. Its durable frame is designed for long-term use, but its weight may be a drawback for those seeking something more manageable.

In contrast, the Westinghouse ePX3100v is designed with portability in mind. Weighing a mere 18 pounds, it includes a built-in handle for easy transportation. This makes it suitable for users who need to move the unit frequently or store it in tight spaces. Its compact design also allows for easy storage after use.

Hose Length and Reach

The Simpson 3400 PSI Gas Pressure Washer includes a 25-foot high-pressure hose, allowing for extended reach without needing to reposition the unit constantly. This feature is particularly beneficial for larger areas, minimizing interruptions during cleaning tasks.

Conversely, the Westinghouse ePX3100v has a 20-foot hose, which is slightly shorter but still offers decent reach for smaller jobs. While the 5-foot difference may not seem substantial, it can impact efficiency when cleaning larger spaces. However, the ePX3100v compensates with its lighter weight and ease of mobility.

Accessories and Features

In terms of accessories, the Simpson 3400 PSI model comes equipped with four quick-connect spray tips, allowing users to switch between settings for different cleaning tasks easily. The ergonomic front-load pressure washer gun and 16" spray wand enhance usability and control during operation.

The Westinghouse ePX3100v includes a detachable foam cannon and three nozzle options, which provide versatility for various cleaning applications. This model also features a Total Stop System (TSS) that conserves energy and prolongs the pump's life, making it user-friendly and efficient.

Price Comparison

Price is a significant differentiator between these two models. The Simpson 3400 PSI Gas Pressure Washer is priced at $329.00, which may be considered a considerable investment for a residential pressure washer. In comparison, the Westinghouse ePX3100v, at $119.00, is about 64% cheaper, making it a more accessible option for budget-conscious consumers or those who need a pressure washer for lighter tasks.

Despite the higher price, the Simpson's performance and features may justify the cost for users requiring a powerful machine for extensive cleaning projects. However, the lower price tag of the Westinghouse can attract those looking for practicality without sacrificing too much performance.

Customer Ratings and Popularity

The Simpson 3400 PSI Gas Pressure Washer ranks 5717 in sales, indicating a solid market presence among pressure washers. Its reputation for power and effectiveness has attracted many homeowners looking for reliable cleaning solutions.

Conversely, the Westinghouse ePX3100v has a better sales rank of 837, suggesting it is a popular choice among consumers. Its lightweight design and ease of use may appeal more to casual users, contributing to its strong sales performance. The popularity of both models highlights their suitability for different user needs and cleaning requirements.

Which should you buy?

Choosing between the Simpson 3400 PSI Gas Pressure Washer and the Westinghouse ePX3100v ultimately hinges on your specific cleaning needs and budget. If you require a powerful machine for heavy-duty tasks, the Simpson offers superior cleaning performance and features, albeit at a higher price of $329.00. On the other hand, if you're looking for a more affordable, lightweight solution for lighter cleaning jobs, the Westinghouse at $119.00 presents a compelling option. Consider the type of cleaning you plan to undertake and your tolerance for weight and mobility when making your final decision.