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Pressure washers for car cleaning: compare flow, hose and storage
For a car, the biggest PSI number is not the whole purchase
Compare usable water flow and the accessories you will actually use. A maximum-pressure claim and a maximum-flow claim may describe different conditions. Leave room in the budget for a suitable hose or foam accessory if the supplied equipment does not fit your routine.
A low rolling unit: Westinghouse ePX3500
The ePX3500 has four swiveling wheels, a 25-foot hose and an onboard soap tank. Westinghouse distinguishes 2,000 rated PSI and 1.2 rated GPM from 2,500 maximum PSI and 1.76 maximum GPM at the lowest pressure. Choose it for the compact rolling layout, not on the assumption that the two maximum figures occur together. Its supplied nozzle set does not include a 40-degree tip; check suitable car-washing accessories before ordering.
Read the ePX3500 guide · Check ePX3500 on Amazon
An upright unit with a foot switch: Kärcher K1700
The upright K1700 has a 20-foot hose, a removable half-gallon detergent tank and a foot-operated on/off switch. Kärcher lists maximum figures of 1,700 PSI and 1.2 GPM. It is a different package from the smaller K1700 Cube. Choose by the storage layout and controls you prefer, and allow for its shorter supplied hose when working around a car.
Read the K1700 guide · Check K1700 on Amazon
Before adding a foam cannon or longer hose
- Match the fittings and flow requirements. Check both ends of the hose and the gun connection. A similar-looking connector is not proof of compatibility.
- Distinguish soap delivery from a foam cannon. An onboard detergent tank does not mean a separate foaming accessory is included.
- Protect the finish. Follow the washer and vehicle instructions for nozzle and distance. Avoid concentrated zero-degree or turbo jets on paint; do not assume a higher rating is a better car-cleaning setting.
For the interior, see our car-cleaning wet/dry vacuum guide.
Feature comparison, not a cleaning-speed or foam test. Sources checked September 27, 2026: Westinghouse ratings and nozzle set (westinghouse.com), Kärcher K1700 specifications (karcher.com), Kärcher nozzle guidance (kaercher.com). Amazon links are affiliate links.
Compare every model in this category
Each row says who the model suits, its main strength and its main catch, taken from each guide's listed sources. Open a guide to confirm the exact model and what's included before you buy on Amazon.
| Product | Best for | Main strength | Main caveat |
|---|---|---|---|
| Westinghouse ePX3500 Electric Pressure Washer | A rolling washer with a 25-foot hose and an onboard soap tank | Four swivel wheels, a 25-foot hose and an onboard detergent tank | No 40-degree nozzle is listed in the bundle |
| Westinghouse ePX3100v Electric Pressure Washer | Carrying a compact washer between small work areas | 17.6 lb with a built-in carry handle, per Westinghouse | Listing bullets say a 20-foot hose and 18 pounds; Westinghouse says 25 feet and 17.6 lb |
| Sun Joe SPX3000 Electric Pressure Washer | Five spray tips and two removable detergent tanks | Five spray tips are supplied, including a 40-degree tip | The title's 2,500 PSI is a maximum, not the 2,030 rated figure |
| Kärcher K1700 Electric Pressure Washer | Foot-switch operation and a removable detergent tank | Foot-operated on/off switch | No 25- or 40-degree tip is listed in the kit |
| Greenworks GPW3001 Electric Pressure Washer | A rolling washer with a 25-foot hose and five tips | Maker publishes the actual pressure-flow pairs | 2.0 GPM is a 100 PSI figure, not flow at 3,000 PSI |
| EGO POWER+ 3200 PSI Cordless Pressure Washer Kit (HPW3204-2) | EGO 56V battery owners who need to wash away from an outdoor tap | Runs from a garden hose or siphons from a bucket, with batteries in the kit | Turbo speed is not available on a single battery, per EGO's manual |
| LawnMaster LT506-2000A Electric Pressure Washer | Household cleaning of vehicles, tools and outdoor areas, from a tap or a clean tank | Can self-prime from a clean tank as well as run from a tap, per the manual | Rated pressure is 1650 PSI; 2300 PSI is the maximum figure |
| Greenworks GPW3002A 3000 PSI Brushless Electric Pressure Washer (Gen 2) | Homeowners who want a corded washer with a turbo nozzle and a one-gallon soap tank | Greenworks publishes the flow at full pressure, not only the maximum | Full 3000 PSI comes with 1.1 GPM; 2.0 GPM is quoted at 100 PSI |
| WEN PW3000E 3000 PSI Brushless Electric Pressure Washer | Homeowners with a grounded outdoor outlet who want an onboard soap tank | Manual publishes rated as well as maximum pressure and flow | Rated output is 2450 PSI and 1.1 GPM; 3000 and 2.0 are maximums |
| Greenworks 1800 PSI 1.1 GPM Electric Pressure Washer (SKU 5110202, GPW1804TN) | Light home cleaning of cars, furniture and grills with auto start-stop | Auto start-stop runs the motor only while the trigger is squeezed | Page and manual disagree on how many nozzles are in the box |
| Greenworks GPW2303A Pro 2300 PSI Brushless Electric Pressure Washer (Gen 2) | Home use with a corded washer that has turbo and soap nozzles and a soap tank | Greenworks publishes flow at full pressure as well as the maximum | Full 2300 PSI comes with 1.2 GPM; 2.3 GPM is quoted at 100 PSI |
| Greenworks GPW2101A 2100 PSI Portable Electric Pressure Washer | Home users with little storage space who want a compact corded washer | Compact body with telescoping handle and onboard tool storage | Page says onboard soap tank; manual describes a wand-mounted soap applicator |
| RYOBI RY142500 2500 PSI 1.2 GPM Brushless Electric Pressure Washer | Homeowners who want a brushless corded washer with automatic soap mixing | Soap nozzle triggers automatic 20:1 detergent injection from the onboard tank | Freeze damage voids the warranty; pump protector required below 32 F storage |
What to check before buying
The pressure washer guides here separate rated pressure and flow from the maximum figures in the title, and note when the higher flow is quoted at very low pressure. They list the nozzles each box actually holds, the inlet water and cord rules in the manual, and warranty limits such as residential-only use, registration and freeze damage.
- Rated vs maximum. Titles often lead with maximum PSI. Guides report 2,030 rated against 2,500 maximum, 1,650 rated against 2,300, and higher GPM figures quoted at only 100 PSI, so the maximum pressure and flow do not occur together.
- Nozzles in the box. Nozzle sets differ. Guides report a bundle with no 40-degree tip, models with only three nozzles, a five-tip set, and one maker whose product page and manual list different nozzle counts for the same box.
- Water supply limits. Manuals set inlet rules: cold water only on some, inlet water no hotter than 104°F on others, and supply pressure capped at 101 or 150 PSI. One cordless model's manual also warns against hard water.
- Cords and extensions. Several manuals do not recommend an extension cord, and one maker advises a longer high-pressure hose instead. Cord lengths of about 35 feet are common in these guides, with a GFCI in the plug.
- Warranty conditions. Guides report warranties limited to residential or personal use, three-year terms that need registration, a 10-year motor term advertised but absent from the manual, freeze damage voiding cover, and 30-day commercial terms.
This page collects 13 pressure washer guides from Plain Buy Guides. Each guide covers one exact Amazon listing: the maker's published specifications, what the listing says is included, the fit and installation limits that decide whether it suits you, and the main caveat, with every source listed and dated. Nothing here is based on hands-on testing, and no guide promises a price or stock level.
In the table above, the Best for column says who each model suits, and the strength and caveat columns carry the first point each guide makes. Open a guide before buying to confirm the exact model, the included parts and any conflict between the listing and the maker's documents, which each guide reports rather than settles. Side-by-side pages put the published facts of two models from this category in one place.
Compare the published specs
The main figures stated in each pressure washer guide on this page, side by side, with each guide's sources behind them. Units are as published; nothing here was measured by us.
A table scrolls sideways when it is wider than the screen. Select a column heading to sort.
— means the guide does not state that figure. “or” means the guide states more than one figure, for example where two sources disagree, for different modes or versions, or where a kit includes two tools; open the guide to see which applies. † means the guide reports that another source gives a different figure, or doubts the figure; open the guide. Only single figures in the column’s unit, with no mark, word or note in brackets, are sorted and counted below.
By the numbers
These cover only the 13 pressure washers on this site, not the whole market. Ranges use the figures the guides state; the lowest and highest link to their guides, and the median is the middle of those figures. A model whose figure is missing, not applicable, more than one, marked, in words, in another unit or qualified in brackets is left out of that line.
- Max pressure across the 10 of our 13 pressure washers that state one figure: 1,800 PSI to 3,200 PSI, median 2,500 PSI. Lowest: Greenworks 1800 PSI 1.1 GPM Electric Pressure Washer (SKU 5110202, GPW1804TN). Highest: EGO POWER+ 3200 PSI Cordless Pressure Washer Kit (HPW3204-2).
- Rated flow across the 10 of our 13 pressure washers that state one figure: 1.1 GPM to 1.4 GPM, median 1.2 GPM. Lowest: Greenworks GPW3001 Electric Pressure Washer and 3 others. Highest: LawnMaster LT506-2000A Electric Pressure Washer.
- Hose across the 11 of our 13 pressure washers that state one figure: 20 ft to 25 ft, median 25 ft. Lowest: Sun Joe SPX3000 Electric Pressure Washer and 3 others. Highest: Westinghouse ePX3500 Electric Pressure Washer and 6 others.
- Weight across the 4 of our 13 pressure washers that state one figure: 19 lb to 40 lb, median 21.65 lb. Lowest: Westinghouse ePX3500 Electric Pressure Washer. Highest: RYOBI RY142500 2500 PSI 1.2 GPM Brushless Electric Pressure Washer.
Read the full Rated PSI buying guide (rated-psi.pages.dev).
- Westinghouse ePX3500 Electric Pressure Washer
Westinghouse ePX3500 guide: 2,000 rated PSI at 1.2 GPM against a 2,500 PSI peak, a 25-foot hose, five tips with no 40-degree tip, and a 13A GFCI supply.
- Westinghouse ePX3100v Electric Pressure Washer
Westinghouse ePX3100v guide: 1,800 rated PSI at 1.2 GPM, a 2,100 PSI peak, 15°, 25° and turbo tips, a foam cannon, 13 amps, and the hose and weight conflicts.
- Sun Joe SPX3000 Electric Pressure Washer
Sun Joe SPX3000 guide: 2,030 rated PSI at 1.2 GPM against a 2,500 PSI title figure, five tips including 40 degrees, two 0.9-liter tanks and a 35-foot GFCI cord.
- Kärcher K1700 Electric Pressure Washer
Kärcher K1700 guide: 1,700 PSI and 1.2 GPM per Kärcher's page and manual, a foot switch, a half-gallon tank, a 20-foot hose, and tips the sources list differently.
- Greenworks GPW3001 Electric Pressure Washer
Greenworks GPW3001 guide: 3,000 PSI with 1.1 GPM rated and 2.0 GPM only at 100 PSI, a 14-amp brushless motor, a 25-foot hose, a 35-foot GFCI cord and five tips.
- EGO POWER+ 3200 PSI Cordless Pressure Washer Kit (HPW3204-2)
EGO HPW3204-2 guide: the 3200 PSI cordless washer kit, why flow is 1.2 or 2.0 GPM, what one battery cannot do, water-source rules, winter care and the warranty.
- LawnMaster LT506-2000A Electric Pressure Washer
LawnMaster LT506-2000A guide: 2300 PSI max versus 1650 rated, 1.4 GPM, drawing from a tank, cold-water and supply limits, what is in the box and 1-year cover.
- Greenworks GPW3002A 3000 PSI Brushless Electric Pressure Washer (Gen 2)
Greenworks GPW3002A guide: 3000 PSI at 1.1 GPM, the 2.0 GPM figure at 100 PSI, turbo and soap nozzles, water limits, pump care and two different warranty claims.
- WEN PW3000E 3000 PSI Brushless Electric Pressure Washer
WEN PW3000E guide: rated 2450 PSI and 1.1 GPM behind the 3000 PSI and 2.0 GPM headline, the GFCI plug, extension-cord limits, water supply rules and warranty.
- Greenworks 1800 PSI 1.1 GPM Electric Pressure Washer (SKU 5110202, GPW1804TN)
Greenworks 1800 PSI washer (SKU 5110202, model GPW1804TN) guide: 1.1 GPM, auto start-stop, two nozzles or four, the soap bottle, winter storage and 3-year warranty.
- Greenworks GPW2303A Pro 2300 PSI Brushless Electric Pressure Washer (Gen 2)
Greenworks GPW2303A guide: 2300 PSI at 1.2 GPM with 2.3 GPM only at 100 PSI, five nozzles, hose and voltage limits, pump protector care and the warranty wording.
- Greenworks GPW2101A 2100 PSI Portable Electric Pressure Washer
Greenworks GPW2101A guide: a compact 2100 PSI, 1.2 GPM corded washer with telescoping handle, how soap is applied, a hose-length conflict, care and warranty.
- RYOBI RY142500 2500 PSI 1.2 GPM Brushless Electric Pressure Washer
RYOBI RY142500 guide: a 2500 PSI, 1.2 GPM brushless electric washer with 20:1 soap injection, three nozzles, hose rules, a freeze warning and 3-year warranty.