The catch
Westinghouse 3200 PSI Gas Pressure Washer
Car and Driver measured about 95 dBA. Its 3000-PSI-class tested output is more aggressive than routine car paint needs.
Side by side
Westinghouse WPX3200 vs WPX3400 compared: 3400 adds modest output but no hose reach and no easier engine care
Quick verdict
WPX3200 is enough if its 3,200 PSI and 2.5 GPM rating meets your outdoor jobs. WPX3400 is for when you want the modest bump in pressure and flow within the same 63 lb class. Moving up changes nothing about gas-engine upkeep, supplied hose length or the need to protect car paint and delicate paving.
Before you buy
Why, and what it costs you
Upgrading buys 6% pressure and 4% flow
WPX3400 raises the pressure rating by about 6.3% and flow by 4%. This can help meet an accessory's minimum requirements, but it does not support the claim that a whole driveway takes proportionally less time.
Where this comes from
No cleaning-time test is used. (2.6 - 2.5) / 2.5 = 4%, and (3,400 - 3,200) / 3,200 = 6.25%.
The catch
Westinghouse WPX3400 Gas Pressure Washer
A gas engine means fuel, oil and storage upkeep between cleaning sessions.
Westinghouse 3200 PSI Gas Pressure Washer
- Why pick it
- A gas washer for ordinary outdoor cleaning is what you need
- The accessories you picked already suit 3,200 PSI and 2.5 GPM
- The catch
- Car and Driver measured about 95 dBA. Its 3000-PSI-class tested output is more aggressive than routine car paint needs.
Westinghouse WPX3400 Gas Pressure Washer
- Why pick it
- The higher rating of 3,400 PSI and 2.6 GPM is what you want
- The extra rated output is needed to meet your surface-cleaner requirements
- The catch
- A gas engine means fuel, oil and storage upkeep between cleaning sessions.
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What this page compares
Westinghouse WPX3200 and WPX3400 compared for cars and paving, working flow, moving the washer around and the real pressure differences.
WPX3200 is enough if its 3,200 PSI and 2.5 GPM rating meets your outdoor jobs. WPX3400 is for when you want the modest bump in pressure and flow within the same 63 lb class. Moving up changes nothing about gas-engine upkeep, supplied hose length or the need to protect car paint and delicate paving.
Which one fits
Pick the situations that sound like you
Everyday driveway and outdoor chores
The broad gas-washer format is the same for both.
- Westinghouse 3200 PSI Gas Pressure Washer
- Good
- Westinghouse WPX3400 Gas Pressure Washer
- Good
The accessory calls for slightly more rated output
See what pressure and flow the accessory requires.
- Westinghouse 3200 PSI Gas Pressure Washer
- Depends
- Westinghouse WPX3400 Gas Pressure Washer
- Better fit
Hoisting the machine into a vehicle
Each is listed at 63 lb dry, fluids not included.
- Westinghouse 3200 PSI Gas Pressure Washer
- Caution
- Westinghouse WPX3400 Gas Pressure Washer
- Caution
A long, uninterrupted reach with the base staying put
A 25-foot pressure hose comes with both.
- Westinghouse 3200 PSI Gas Pressure Washer
- Similar
- Westinghouse WPX3400 Gas Pressure Washer
- Similar
Washing painted vehicles and paving within a single day
Adjust the spray setup for each surface.
- Westinghouse 3200 PSI Gas Pressure Washer
- Depends
- Westinghouse WPX3400 Gas Pressure Washer
- Depends
In practice
Differences you will notice
Upgrading buys 6% pressure and 4% flow
WPX3400 raises the pressure rating by about 6.3% and flow by 4%. This can help meet an accessory's minimum requirements, but it does not support the claim that a whole driveway takes proportionally less time.
How we worked this out
No cleaning-time test is used. (2.6 - 2.5) / 2.5 = 4%, and (3,400 - 3,200) / 3,200 = 6.25%.
A bigger engine cannot make up for a weak water supply
Ten minutes of trigger time at the listed flows comes to about 25 gallons for WPX3200 and 26 for WPX3400. Verify that the source can sustain the model's required feed, especially at the far end of a long garden hose.
How we worked this out
This is an illustration and not a measured job-water total: 2.5 × 10 = 25 and 2.6 × 10 = 26 gallons at rated flow.
Washing a car and a driveway does not call for maximum pressure everywhere
Aggressive spray tips and wider patterns come with both. The higher rating is a reason to check accessory compatibility for paving, and it is no reason to aim a concentrated jet at paint, seals or soft joints.
How we worked this out
The same nozzle-angle set is listed for both. The surface's care instructions and a test in an inconspicuous spot determine the safe working setup.
Option A
Westinghouse, WPX3200
3200 PSI Gas Pressure Washer
Independent testing found this high-flow gas washer came close to its claimed specs. It is good value and clears dirt fast from broad concrete and masonry.
- Best for
- A gas washer for ordinary outdoor cleaning is what you need
Facts we checked
- Pressure rating: 3,200 PSI
- Flow rating: 2.5 GPM
- Engine and pump: A 212 cc four-stroke and an axial-cam pump
- Weight, dry: 63 lb
Option B
Westinghouse, WPX3400
WPX3400 Gas Pressure Washer
For larger outdoor jobs, this 212cc gas washer delivers a rated 3400 PSI with 2.6 GPM of flow. It rides on a wheeled frame and has an axial-cam pump.
- Best for
- The higher rating of 3,400 PSI and 2.6 GPM is what you want
Facts we checked
- Pressure rating: 3,400 PSI
- Flow rating: 2.6 GPM
- Engine and pump: A 212 cc four-stroke and an axial-cam pump
- Weight, dry: 63 lb
Spec by spec
Where they really differ
| Spec | Westinghouse 3200 PSI Gas Pressure Washer | Westinghouse WPX3400 Gas Pressure Washer | In practice |
|---|---|---|---|
| Rated pressure | 3,200 PSI | 3,400 PSI | A 200 PSI increase is not a new class of machine. |
| Rated flow | 2.5 GPM | 2.6 GPM | Flow goes up by just 0.1 gallon per minute. |
| Engine and pump | 212 cc four-stroke, axial-cam pump | 212 cc four-stroke, axial-cam pump | The broad fuel and engine-maintenance routine is the same for both. |
| Dry weight | 63 lb | 63 lb | Lifting weight is not reduced by the published upgrade. |
| Hose and mobility | 25 ft hose, 12-inch wheels | 25 ft hose, 12-inch wheels | Choosing WPX3400 brings no gain in hose reach. |
| Included spray patterns | 0°, 15°, 25°, 40° and soap | 0°, 15°, 25°, 40° and soap | For the surface, each needs the appropriate tip and distance. |
Trade-offs
What each pick costs you
With Westinghouse 3200 PSI Gas Pressure Washer
- The axial-cam pump is maintenance-free, which means it is not built to be serviced the way the Simpson triplex is. Solid wheels also ride harder over uneven ground.
With Westinghouse WPX3400 Gas Pressure Washer
- Westinghouse lists it as not CARB compliant. Buyers in California should pick an alternative they are allowed to buy.
Change of plan
When the answer changes
3,200 PSI and 2.5 GPM cover my accessories and surfaces
Go with Westinghouse 3200 PSI Gas Pressure Washer. That stated requirement is already met by WPX3200.
The accessory calls for the higher rating of 3,400 PSI and 2.6 GPM
Go with Westinghouse WPX3400 Gas Pressure Washer. The documented increase comes with WPX3400.
Decision guide
How to decide
WPX3200 does the job when its 3,200 PSI and 2.5 GPM rating meets your outdoor jobs. WPX3400 is the step up if you want the modest pressure and flow increase in the same 63 lb class. Gas-engine upkeep, supplied hose length and the need to protect car paint and delicate paving all stay the same after the upgrade.
Look at the accessory before you choose the number
When a surface cleaner has a minimum flow requirement, let that decide. The extra 0.1 GPM on WPX3400 may or may not get past it. Buying on the larger PSI label alone can leave you with the same unsuitable accessory pairing.
Plan around the water source
Going with a gas engine gets rid of the electrical lead, yet you still need a reliable water feed. Check the delivery at your actual outdoor tap and hose arrangement. Never let the pump run dry as you move between the car and the paving.
Allow for lifting and upkeep
Each is a substantial 63 lb machine when dry. Set aside room for storage and fuel handling, and for the scheduled oil and pump care in the manual. Run gas equipment outdoors, with the exhaust kept away from occupied spaces and openings.
What this page can’t tell you
- The rating gap does not support any conclusion about cleaning speed or reliability.
- Dry weights leave out fuel and any water being carried.
By the numbers
What the data shows
What we found across the pressure washers we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Westinghouse 3200 PSI Gas Pressure Washer |
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| Westinghouse WPX3400 Gas Pressure Washer |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
Westinghouse 3200 PSI Gas Pressure Washer
A gas washer for ordinary outdoor cleaning is what you need
See price & reviews on AmazonWestinghouse WPX3400 Gas Pressure Washer
The higher rating of 3,400 PSI and 2.6 GPM is what you want
See price & reviews on AmazonEach link opens in a new tab.
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