When it comes to maintaining our outdoor spaces, a reliable gas pressure washer can make all the difference. Under $400, we have a variety of powerful options that help us tackle everything from grime on patios to dirt on vehicles. The best gas pressure washers in this price range offer a balance of efficiency and performance, ensuring we can tackle tough jobs without breaking the bank.

In this guide, we’ll explore the top gas pressure washers available for under $400, detailing their features, benefits, and what sets them apart. Whether we’re a homeowner looking to keep our exteriors pristine or someone in need of a heavy-duty cleaning solution, there’s a model here that fits our needs perfectly.

Top Picks

1
Simpson 3400 PSI Gas Pressure Washer
Best Overall
Simpson 3400 PSI Gas Pressure Washer
SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.8
Amazon.com
2
WEN Gas Pressure Washer with 223cc Engine
Premium Performance
WEN Gas Pressure Washer with 223cc Engine
High-performance and easy to transport model
9.5
Amazon.com
3
Westinghouse Gas Pressure Washer with Soap Tank
High Performance
Westinghouse Gas Pressure Washer with Soap Tank
Powerful 3400 PSI for tough cleaning tasks
9.3
Amazon.com
4
Simpson 2900 PSI Gas Pressure Washer
Best Value
Simpson 2900 PSI Gas Pressure Washer
SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.1
Amazon.com
5
DeWalt 3300 PSI Gas Pressure Washer
Most Reliable
DeWalt 3300 PSI Gas Pressure Washer
Powerful performance for residential cleaning
8.8
Amazon.com
6
Powerful Westinghouse Gas Pressure Washer
Editor's Choice
Powerful Westinghouse Gas Pressure Washer
High-pressure cleaning for multiple surfaces
8.6
Amazon.com
7
BILTHARD 3500 PSI Gas Pressure Washer
BILTHARD 3500 PSI Gas Pressure Washer
Powerful cleaning for outdoor surfaces
8.4
Amazon.com
8
Powerful 3500PSI Gas Pressure Washer
Powerful 3500PSI Gas Pressure Washer
Easily removes stubborn dirt
8.2
Amazon.com
9
Simpson 3400 PSI Gas Pressure Washer
Simpson 3400 PSI Gas Pressure Washer
Powerful performance for outdoor cleaning tasks
8
Amazon.com
10
HoldwellS PSI3400 Commercial Gas Pressure Washer
HoldwellS PSI3400 Commercial Gas Pressure Washer
Powerful cleaning with 2.6GPM and 210CC engine
7.8
Amazon.com

Key Takeaways

  • Look for a PSI rating of at least 2900 for effective cleaning.
  • Consider models with onboard soap tanks for added convenience.
  • Choose a pressure washer with versatile nozzles for different cleaning tasks.
  • Durable construction is essential for long-term reliability.
  • Mobility features, like never-flat wheels, enhance usability.

Here’s a quick overview of what to consider when purchasing a gas pressure washer under $400.

Which Best Gas Pressure Washer Under $400 Is Best for You?

Best by use case
  1. Best for Heavy-Duty Jobs

    For those tackling significant cleaning tasks, the Simpson 3400 PSI Gas Pressure Washer offers immense power and efficiency. Its robust engine and versatile accessories make it ideal for cleaning driveways and patios.

  2. Best for Budget-Conscious Buyers

    The WEN Gas Pressure Washer with 223cc Engine is an excellent choice for those seeking performance without overspending. With a solid PSI and convenient features, it handles various cleaning tasks adeptly.

  3. Best for Versatility

    The Westinghouse Gas Pressure Washer with Soap Tank is perfect for users who need a machine that can handle multiple surfaces. Its adjustable nozzles and soap tank enhance its usability.

Identifying the right gas pressure washer can depend on our specific needs. Here are some tailored recommendations based on different scenarios.

10 Best Gas Pressure Washer Under $400

Best Overall
1

Simpson 3400 PSI Gas Pressure Washer

SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.8/10
EXPERT SCORE
The Simpson 3400 PSI Gas Pressure Washer is an efficient tool for tackling tough cleaning tasks around the home. With a powerful engine and various accessories, it’s an excellent choice for homeowners looking to maintain their exterior spaces.
Updated: 9 hours ago

Pros

Powerful 3400 PSI for deep cleaning
Versatile accessories for various tasks
Durable construction with a corrosion-resistant frame
Easy mobility with premium pneumatic tires

Cons

Not compliant for sale in California
Requires regular maintenance for optimal performance
Heavier design may affect portability

Overview

The Simpson 3400 PSI Gas Pressure Washer is an efficient tool for tackling tough cleaning tasks around the home.

With a powerful engine and various accessories, it’s an excellent choice for homeowners looking to maintain their exterior spaces.

Essential Features of the Simpson 3400 PSI Gas Pressure Washer

208 cc CRX engine with low-oil shutdown for reliable performance
25' kink-resistant hose with quick-connect fittings for easy setup
Includes four quick-connect nozzles for diverse cleaning applications
Welded steel frame for durability and long-lasting use

Practical considerations

While this gas pressure washer is an excellent choice for a variety of home cleaning tasks, it’s important to note that it is not suitable for California residents due to compliance regulations.

Additionally, its heavier weight may require careful handling during transport.

Real-world insight

We appreciate how the Simpson 3400 PSI Gas Pressure Washer simplifies our cleaning routine, making it easier to tackle stubborn grime on outdoor surfaces.

Its robust design and effective cleaning power give us confidence in maintaining our home’s exterior.


Premium Performance
2

WEN Gas Pressure Washer with 223cc Engine

High-performance and easy to transport model
9.5/10
EXPERT SCORE
The WEN 3400 PSI Gas Pressure Washer delivers exceptional power with its 223cc engine, achieving a flow rate of 2.7 gallons per minute. It comes with an onboard soap tank, making it easy to handle a variety of cleaning tasks.
Updated: 9 hours ago

Pros

Impressive 3400 PSI for tough cleaning jobs
Convenient onboard soap tank for added cleaning efficiency
Easy mobility with 12-inch never-flat wheels
Includes a variety of nozzles for versatile applications

Cons

Relatively heavy, which may affect maneuverability
Requires gasoline, which may be less convenient than electric models

Overview

The WEN 3400 PSI Gas Pressure Washer delivers exceptional power with its 223cc engine, achieving a flow rate of 2.7 gallons per minute.

It comes with an onboard soap tank, making it easy to handle a variety of cleaning tasks.

Key Features of the WEN 3400 PSI Gas Pressure Washer

Powerful 223cc 4-stroke OHV engine for heavy-duty cleaning tasks
Five quick-connect nozzles (0, 15, 25, 40 degrees, and soap) for versatile cleaning
25-foot reinforced hose for extended reach during use
Axial cam pump design enhances reliability and longevity

Practical considerations

While this pressure washer offers impressive power, it’s important to consider that it operates on gasoline, which might not be ideal for everyone.

Additionally, its heavier design may require extra effort during transport and storage.

Real-world insight

For those of us who frequently tackle outdoor cleaning projects, the WEN 3400 PSI Gas Pressure Washer provides the power and versatility we need to handle various tasks efficiently.

Its onboard soap tank is particularly handy for achieving a deep clean without the need for additional equipment.


High Performance
3

Westinghouse Gas Pressure Washer with Soap Tank

Powerful 3400 PSI for tough cleaning tasks
9.3/10
EXPERT SCORE
The Westinghouse WPX3400 Gas Pressure Washer offers an impressive 3400 PSI and 2.6 GPM, making it ideal for tough outdoor cleaning tasks. With an onboard soap tank and a range of nozzles, it’s versatile for various surfaces.
Updated: 9 hours ago

Pros

High pressure and flow rate for effective cleaning.
Includes adjustable nozzles for versatile cleaning applications.
Durable construction ensures long-lasting use.
Onboard soap tank simplifies cleaning with detergents.

Cons

Gas-powered operation may require more maintenance.
Heavier than electric models, which could impact portability.

Overview

The Westinghouse WPX3400 Gas Pressure Washer offers an impressive 3400 PSI and 2.6 GPM, making it ideal for tough outdoor cleaning tasks.

With an onboard soap tank and a range of nozzles, it’s versatile for various surfaces.

Key Features of the Westinghouse WPX3400

Powerful 3400 PSI and 2.6 GPM for deep cleaning.
Includes a 25-foot high-pressure hose for extended reach.
Five quick-connect nozzles for different cleaning tasks.
Tough steel frame and never-flat wheels for easy maneuverability.

Practical considerations

While this pressure washer excels in power and versatility, its gas-powered nature may not be suitable for everyone.

We should consider our needs for maintenance and the weight when transporting it for outdoor projects.

Real-world insight

With the Westinghouse WPX3400, we can confidently tackle various outdoor cleaning tasks.

Its powerful capabilities allow us to clean everything from driveways to patio furniture efficiently, providing a thorough clean every time.


Best Value
4

Simpson 2900 PSI Gas Pressure Washer

SIMPSON PRESSURE WASHER FOR HOMEOWNERS: The Simpson Clean Machine gas power washer
9.1/10
EXPERT SCORE
The Simpson Cleaning 2900 PSI Gas Pressure Washer is perfect for homeowners looking to tackle tough cleaning jobs around the house. With its powerful engine and convenient accessories, it makes cleaning decks, driveways, and vehicles a breeze.
Updated: 9 hours ago

Pros

High pressure output effectively cleans multiple surfaces.
Long 25' hose provides extended reach without frequent repositioning.
Easy mobility with 12" never-flat wheels for smooth transport.
Includes four quick-connect tips for versatile cleaning applications.

Cons

Not compliant for sale in California.
Requires some assembly upon delivery.
Heavier than some electric models, may limit portability.

Overview

The Simpson Cleaning 2900 PSI Gas Pressure Washer is perfect for homeowners looking to tackle tough cleaning jobs around the house.

With its powerful engine and convenient accessories, it makes cleaning decks, driveways, and vehicles a breeze.

Key Features of the Simpson Cleaning Pressure Washer

Powerful 170 cc engine with low-oil shutdown for safety.
Maintenance-free axial cam pump prevents overheating.
Siphon hose allows for easy detergent application.
Non-marring hose protects surfaces while resisting kinks.

Practical considerations

While this pressure washer is powerful and efficient, potential buyers should note that it’s not available in California and may require assembly.

It’s a great fit for homeowners with moderate cleaning needs but could be cumbersome for those who prioritize lightweight models.

Real-world insight

For us, this gas pressure washer represents an excellent investment in home maintenance.

Its combination of power and easy maneuverability makes it a valuable tool for keeping our outdoor spaces clean and inviting.


Most Reliable
5

DeWalt 3300 PSI Gas Pressure Washer

Powerful performance for residential cleaning
8.8/10
EXPERT SCORE
The DeWalt 3300 PSI Gas Pressure Washer offers exceptional power for tackling tough outdoor cleaning tasks. Its lightweight design and quality accessories make it an ideal choice for homeowners looking for efficiency and versatility.
Updated: 9 hours ago

Pros

Powerful 3300 PSI output for efficient cleaning.
Lightweight and portable design for easy maneuverability.
Includes a variety of nozzles for versatile cleaning applications.
Durable construction ensures longevity and reliability.

Cons

Requires regular maintenance to ensure optimal performance.
Limited to 49-state compliance, which may affect some users.

Overview

The DeWalt 3300 PSI Gas Pressure Washer offers exceptional power for tackling tough outdoor cleaning tasks.

Its lightweight design and quality accessories make it an ideal choice for homeowners looking for efficiency and versatility.

Key Features of the DeWalt 3300 PSI Gas Pressure Washer

Equipped with a 25-ft abrasion-resistant hose for extended reach.
Five quick-connect nozzles allow for tailored cleaning tasks.
Ergonomic spray gun and 16-inch steel wand enhance user comfort and control.

Practical considerations

While the DeWalt pressure washer is designed for residential use, we recommend considering the type of cleaning tasks you need it for, as it may be overkill for smaller jobs.

Additionally, ensure you have proper storage for its size.

Real-world insight

In our experience, the DeWalt 3300 PSI Gas Pressure Washer stands out for its ease of use and efficiency, making outdoor cleaning not just easier, but also faster.

Whether prepping surfaces for painting or tackling grime, this tool proves to be a reliable companion.


Editor's Choice
6

Powerful Westinghouse Gas Pressure Washer

High-pressure cleaning for multiple surfaces
8.6/10
EXPERT SCORE
The Westinghouse WPX3200 Gas Pressure Washer delivers an impressive 3200 PSI and 2.5 GPM, making it ideal for tackling tough cleaning jobs like driveways and patios. With a convenient onboard soap tank and a variety of nozzles, it's designed for efficiency and ease of use.
Updated: 9 hours ago

Pros

High water pressure and flow rate for effective cleaning.
Convenient onboard soap tank enhances cleaning capabilities.
Durable construction with easy maneuverability.
Includes a set of five quick-connect nozzles for versatile use.

Cons

Requires regular maintenance for optimal performance.
Gas-powered operation may not be suitable for all users.
Noise level can be higher compared to electric models.

Overview

The Westinghouse WPX3200 Gas Pressure Washer delivers an impressive 3200 PSI and 2.5 GPM, making it ideal for tackling tough cleaning jobs like driveways and patios.

With a convenient onboard soap tank and a variety of nozzles, it’s designed for efficiency and ease of use.

Key Features of the Westinghouse WPX3200

Powerful 3200 PSI pressure for tackling tough stains and dirt.
Onboard soap tank allows for easy application of cleaning solutions.
Lightweight spray gun and flexible hose enhance usability.
Durable steel frame and never-flat wheels ensure ease of transport.

Practical considerations

When considering the WPX3200, keep in mind that it is gas-powered, which may not be ideal for smaller, residential cleaning tasks or areas with noise restrictions.

It’s best suited for users who need a robust machine for extensive outdoor cleaning.

Real-world insight

In our experience, the Westinghouse WPX3200 shines during seasonal cleaning tasks, especially for those with large outdoor spaces.

Its combination of power and versatility makes it a great investment for homeowners looking to maintain their property.


7

BILTHARD 3500 PSI Gas Pressure Washer

Powerful cleaning for outdoor surfaces
8.4/10
EXPERT SCORE
The BILTHARD 3500 PSI Gas Pressure Washer is a powerful cleaning tool, featuring a 212cc engine and a variety of nozzle tips for versatile applications. With a durable design and portable features, it makes outdoor cleaning tasks efficient and easy.
Updated: 9 hours ago

Pros

Powerful 3500 PSI output for effective cleaning.
Includes five quick-connect nozzle tips for versatile applications.
Durable design with a maintenance-free pump and kink-resistant hose.
Portable with never-flat wheels for easy maneuverability.

Cons

Requires gasoline for operation, which may necessitate refueling during large jobs.
May be heavier than electric models, making it less convenient for some users.
Noise level can be higher compared to electric pressure washers.

Overview

The BILTHARD 3500 PSI Gas Pressure Washer is a powerful cleaning tool, featuring a 212cc engine and a variety of nozzle tips for versatile applications.

With a durable design and portable features, it makes outdoor cleaning tasks efficient and easy.

Key Features of the BILTHARD 3500 PSI Gas Pressure Washer

Powerful 212cc 4 cycle engine delivers high pressure suitable for a variety of surfaces.
Five nozzle tips enable cleaning of different materials, from concrete to vehicles.
Long 30-foot hose provides ample reach for larger areas without frequent repositioning.
Integrated soap tank allows for easy application of detergents during cleaning tasks.

Practical considerations

This pressure washer is ideal for heavy-duty cleaning tasks; however, users should consider the need for gasoline and the potential for noise when selecting a model suited for residential areas.

Real-world insight

For those of us looking to maintain our outdoor spaces, the BILTHARD pressure washer stands out as a reliable option that combines power and portability, making it a smart choice for tackling tough cleaning jobs efficiently.


8

Powerful 3500PSI Gas Pressure Washer

Easily removes stubborn dirt
8.2/10
EXPERT SCORE
The 3500PSI Gas Pressure Washer delivers exceptional cleaning power with its robust 212CC engine. With versatile nozzles and a durable design, it's perfect for heavy-duty tasks like cleaning driveways and vehicles.
Updated: 9 hours ago

Pros

Powerful 3500 PSI performance for effective cleaning.
Versatile nozzles for various cleaning applications.
Durable construction ensures long-lasting use.
Easy to transport with sturdy wheels and a lightweight frame.

Cons

Requires initial setup and oil before first use.
Gas-powered operation may not be ideal for all users.
Residual fuel odor can occur due to factory testing.

Overview

The 3500PSI Gas Pressure Washer delivers exceptional cleaning power with its robust 212CC engine.

With versatile nozzles and a durable design, it’s perfect for heavy-duty tasks like cleaning driveways and vehicles.

Features that matter for the 3500PSI Gas Pressure Washer

High-pressure cleaning capability helps remove stubborn dirt and grime.
Quick-connect nozzle system allows for fast and easy switching.
25FT high-pressure hose provides ample reach for large areas.
Sturdy steel frame and wheels ensure mobility and stability.

Practical considerations

When purchasing this gas pressure washer, consider its gas-powered nature which requires regular maintenance and fuel management.

It’s best suited for users who need reliable, heavy-duty cleaning performance rather than occasional light cleaning.

Real-world insight

In our experience, the 3500PSI Gas Pressure Washer is a game changer for outdoor cleaning projects.

Its strong performance allows us to tackle tasks we once dreaded, making it a worthwhile investment for anyone needing robust cleaning power.


9

Simpson 3400 PSI Gas Pressure Washer

Powerful performance for outdoor cleaning tasks
8/10
EXPERT SCORE
The Simpson 3400 PSI Gas Pressure Washer is ideal for homeowners needing powerful cleaning. With its included surface cleaner and versatile nozzles, tackling dirt on various surfaces becomes effortless.
Updated: 9 hours ago

Pros

Powerful 3400 PSI pressure for effective cleaning
Includes a surface cleaner for faster coverage
User-friendly with easy-start engine and ergonomic design
Portable with premium pneumatic tires for smooth movement

Cons

Not compliant for sale in California
Relatively heavy at 64 lbs, which may affect portability
Requires regular maintenance to keep the engine running smoothly

Overview

The Simpson 3400 PSI Gas Pressure Washer is ideal for homeowners needing powerful cleaning.

With its included surface cleaner and versatile nozzles, tackling dirt on various surfaces becomes effortless.

Essential Features of the Simpson Pressure Washer

208 cc CRX engine with low-oil shutdown for safety
25-foot non-marring hose for flexibility during use
Durable steel frame with powder-coated finish resists corrosion
Four quick-connect nozzles cover a wide range of cleaning tasks

Practical considerations

Before purchasing, we should note that this machine is designed for residential use and is not suitable for commercial applications.

It’s best to ensure our cleaning needs align with its capabilities.

Real-world insight

In our experience, having a pressure washer like this can significantly cut down cleaning time on projects such as driveways and patios, making it a worthwhile investment for regular maintenance and seasonal deep cleaning tasks.


10

HoldwellS PSI3400 Commercial Gas Pressure Washer

Powerful cleaning with 2.6GPM and 210CC engine
7.8/10
EXPERT SCORE
The HoldwellS PSI3400 pressure washer delivers powerful cleaning with its 210CC engine and versatile nozzles. It's perfect for tackling tough grime on driveways, vehicles, and patios with ease.
Updated: 9 hours ago

Pros

Powerful 210CC engine for efficient cleaning
Five adjustable nozzles for versatile applications
Long 25-foot hose for extended reach without hassle
Integrated storage for easy organization of accessories

Cons

Gas-powered, requiring fuel and maintenance
May be too powerful for very delicate surfaces
Heavier than electric models, which can affect portability

Overview

The HoldwellS PSI3400 pressure washer delivers powerful cleaning with its 210CC engine and versatile nozzles.

It’s perfect for tackling tough grime on driveways, vehicles, and patios with ease.

Key Features of the HoldwellS PSI3400 Pressure Washer

3400 PSI and 2.6 GPM for impressive cleaning capabilities
Versatile nozzle system for customizing pressure to different surfaces
25-foot high-pressure hose extends reach for larger cleaning areas
Onboard storage for convenient access to tools and accessories

Practical considerations

While purchasing the HoldwellS PSI3400, consider that it is gas-powered, which means we will need to handle fuel and maintenance.

Also, its power may be too intense for certain delicate cleaning tasks, so we should select the nozzle accordingly.

Real-world insight

This pressure washer offers us the efficiency of professional-grade equipment in a home-friendly package.

It’s perfect for weekend projects or tackling larger cleaning tasks, making it a worthwhile investment for anyone serious about maintaining their property.

How to Choose Best Gas Pressure Washer Under $400

Decision guide
  1. Understanding PSI and GPM

    PSI (Pounds per Square Inch) measures the water pressure, while GPM (Gallons per Minute) indicates the flow rate. Together, they determine the washer’s cleaning power.

  2. Engine Power

    The engine size plays a crucial role in the washer’s performance. Look for models with engines that can deliver significant power to handle tough jobs efficiently.

  3. Mobility Features

    Features like pneumatic tires and lightweight designs enhance maneuverability. This is especially important if we plan to use the washer frequently across larger areas.

  4. Included Accessories

    Evaluate the accessories that come with the pressure washer. Nozzles, hoses, and soap tanks can significantly impact cleaning efficiency and versatility.

  5. Durability and Construction

    The materials used in construction affect the longevity of the pressure washer. Look for corrosion-resistant frames and high-quality components to ensure durability.

Choosing the right gas pressure washer under $400 involves understanding various features and specifications. Here’s a comprehensive guide to help us make an informed decision.

Key Features to Look For

What to look for
01
Pressure Rating
A higher PSI rating offers better cleaning power for tough jobs.
Look for
PSI above 2900.
Avoid
Models with low PSI for heavy-duty tasks.
02
Water Flow Rate
GPM affects how quickly cleaning tasks can be completed.
Look for
GPM around 2.5 or higher.
Avoid
Models with low flow rates for large areas.
03
Mobility Features
Wheels and weight impact how easy the washer is to maneuver.
Look for
12-inch never-flat wheels.
Avoid
Heavy models that are hard to move.
04
Durability
Durable construction ensures the washer lasts through frequent use.
Look for
Corrosion-resistant frames.
Avoid
Fragile components that can break easily.

Quick Comparison

Side-by-side comparison
How the top picks compare
Simpson 3400 PSI Gas Pressure Washer
WEN Gas Pressure Washer with 223cc Engine
Westinghouse Gas Pressure Washer with Soap Tank
Simpson 3400 PSI Gas Pressure Washer WEN Gas Pressure Washer with 223cc Engine Westinghouse Gas Pressure Washer with Soap Tank
Quick take The WEN 3400 PSI Gas Pressure Washer delivers exceptional power with its 223cc engine
Why we picked it Powerful 3400 PSI for deep cleaning; Versatile accessories for various tasks Impressive 3400 PSI for tough cleaning jobs; Convenient onboard soap tank for added cleaning efficiency High pressure and flow rate for effective cleaning.; Includes adjustable nozzles for versatile cleaning applications
Check Price Check Price Check Price

How We Chose These Products

Methodology

Our selection process focuses on identifying the best gas pressure washers under $400 by evaluating key performance indicators and user needs.

  • Performance Metrics

    We prioritize models with higher PSI and GPM ratings to ensure effective cleaning.

  • User Reviews and Ratings

    Customer feedback provides insights into real-world performance and reliability.

  • Brand Reputation

    We consider brands known for quality and customer service, ensuring long-lasting products.

  • Value for Money

    We assess whether the features justify the price, focusing on affordability and performance.

Care and Maintenance Tips

Care tips
  1. Regular Cleaning
  2. Engine Maintenance
  3. Safe Storage
  4. Hose Care

Proper care and maintenance of our gas pressure washer can extend its lifespan and performance. Here are some practical tips.

Final Thoughts

Conclusion
  • For powerful cleaning, the Simpson 3400 PSI is our top choice.
  • The WEN Gas Pressure Washer provides great value for budget-conscious buyers.

Overall, the Simpson 3400 PSI Gas Pressure Washer stands out for its performance and durability. However, for those looking to save money while still getting a reliable washer, the WEN model is an excellent alternative.