Cordless vs Corded Pressure Washer for Washing a Car
For most people, a corded pressure washer is the better pick for a car, with far more pressure and flow. A cordless model makes more sense when there is no outlet close to the car.
On this page (8 sections)
In a cordless vs corded pressure washer for car comparison, corded wins for most people because it has far more pressure and flow. A cordless washer is the better tool when no outlet is close to the car.
This post sets the corded Greenworks 2100 PSI against the cordless WORX Hydroshot Plus WG633. For the full routine, start with the Pressure Washer for Car: The Complete Home Wash Guide.
Cordless vs corded pressure washer for a car: the short answer
The corded Greenworks is the stronger car washer, with more than three times the pressure of the WORX. The cordless WORX is the better choice when you want to wash away from an outlet or draw water from a bucket.
The Greenworks makes 2100 max PSI at 1.2 GPM. The WORX makes 609 max PSI at 0.9 GPM and runs on a 20V battery.
Pick by setup first, then by pressure. If an outlet and a hose reach the car, the corded machine gives you more to work with.
If you would rather skip the hose and fill from a bucket, the cordless machine fits better. Both are electric, and neither needs gas or oil.
If a gas washer is also on your list, read Electric vs Gas Pressure Washer for Washing a Car first.
The specs side by side
The Greenworks leads on pressure and flow, and the WORX leads on weight. Those three numbers drive most of this choice.
| Product | Best for | Max PSI | Flow | Weight | Our score |
|---|---|---|---|---|---|
| Greenworks 2100 PSI | more pressure at home | 2100 | 1.2 GPM | 22 lb | 8.8 |
| WORX Hydroshot Plus WG633 | a no-outlet bucket wash | 609 | 0.9 GPM | 4.4 lb | 8.3 |
Our score weighs specs, features and buyer feedback against what you're shopping for. The Greenworks scores 8.8 and the WORX scores 8.3, because most car washes need more pressure and flow than a small battery unit gives.
Weight cuts the other way. The WORX is a fifth of the Greenworks' weight, which is the main reason it wins for tight spaces and quick rinses.
Pressure and flow
The corded washer wins this topic by a wide margin. Pressure is the force of the spray, and flow is how much water comes out each minute.
PSI measures pressure, and GPM measures flow in gallons per minute. A washer with more of both rinses a car in less time, as long as you keep the fan wide and the spray moving.
The Greenworks makes 2100 max PSI at 1.2 GPM. Greenworks points it at medium-duty jobs such as decks, fences, siding and small driveways.
A car takes less force than most of those jobs. That is why your nozzle and your distance matter more than the PSI figure.
WORX says its new pump gives a 70% more powerful stream than the model before it. Even so, the WORX tops out at 609 max PSI, well below the Greenworks.
At 1.2 GPM, the Greenworks moves about a third more water than the WORX at 0.9 GPM. That extra water keeps a rinse moving across a big panel, such as a hood or a door.
For a light rinse, the WORX is enough. For dried mud, road film and the lower panels of a dusty truck, the corded washer gets you there faster.
More pressure also raises the risk of damage. The stronger the spray, the more care you need near edges, trim and any spot where paint is already chipped or lifting.
Many car washers start with the widest fan nozzle and follow the distance in the washer maker's manual. The Best PSI for Washing a Car guide explains how much pressure a car wash needs.
Battery, power cord and setup
The cordless WORX wins on setup, and the corded Greenworks wins on steady power. Each asks for different planning, so decide which trade-off you can live with.
Cordless or corded pressure washer for car: the battery trade-off
A cordless washer runs on a battery, so you have to watch the charge. The WORX comes with one 4.0Ah battery and a charger, and WORX says its ECO mode helps extend run time.
Run time depends on the mode, the battery and the weather. One battery is a limit to plan around on a big or very dirty car, so keep a charge in reserve and wash on a mild day.
WORX says its Power Share Pro batteries are built to stay cool and resist damage. A spare battery is the usual fix if you wash more than one vehicle in a session.
Charge the battery the day before you plan to wash, and store it as the WORX manual says.
A corded washer has no battery to charge. You plug in the Greenworks, and it runs as long as it has power and water.
The Greenworks comes with a 35 ft power cord that has a GFCI plug. For outlet and cord safety, follow the maker's manual.
If you want a small electric washer for close detail work, see Best Compact Electric Pressure Washers for Car Detailing for more options.
Hose and water source
The Greenworks needs a garden hose for water, and the WORX does not. WORX says it draws water from a bucket, a lake or a pool through its 20 ft draw-hose, so you can wash with no spigot nearby.
That makes the WORX handy where there is no outdoor tap. The Greenworks suits a driveway with a spigot and an outlet in reach.
WORX calls the pump self-priming, which is how it pulls water from a bucket instead of waiting on tap pressure. It also means the WORX has no garden hose to drag across the driveway.
If one machine has to wash the car and clean the house, see Best Electric Pressure Washers for Car and Home Use before you decide.
Weight, size and storage
The WORX is far easier to carry. It weighs 4.4 lb and measures 20.34 by 6.3 by 8.66 inches, so it fits on a shelf.
The Greenworks weighs 22 lb, about five times as much as the WORX. Its telescoping handle pulls out for transport and collapses for storage, which helps on a long walk to the car.
It measures 16.93 by 13.11 by 36.22 inches, so it stands much taller than the WORX. Check the height of your storage spot and the path to the car.
The WORX has a 28 inch lance, and WORX says the stream reaches 24.3 ft out and 19.7 ft up. A corded washer is tied to the outlet and the spigot, while a cordless one lets you walk around the car with nothing pulling you back.
Foam and soap
Neither washer comes with a foam cannon, so a cannon is a separate buy for either one. A cannon mixes car wash soap and water into a thick foam that clings to the car, which gives the soap time to work before you rinse.
The Greenworks has a 1/4 inch universal quick connect, so a cannon with a matching 1/4 inch fitting attaches to its wand. For the WORX, follow the WORX website and its manual before you buy any cannon, because it uses its own lance and 5-in-1 nozzle.
The Greenworks also includes a soap applicator tip for detergent. Use car wash soap as the label says, and never mix in chemicals.
The Greenworks comes with a 25 degree nozzle, a 40 degree nozzle and a turbo nozzle. For paint, start with the 25 or 40 degree tip, since a wide fan is the usual starting point.
Keep the turbo tip off paint. Greenworks makes it for heavy-duty cleaning, so it belongs on tougher jobs.
The WORX comes with a 5-in-1 nozzle. Use its widest fan setting on paint and follow the WORX manual for distance.
A simple routine works for either washer. Rinse the car first, apply the soap, then rinse from the top down so the soap does not dry on the paint.
Paint that is chipped, peeling or poorly repainted can be damaged by any pressure washer, so keep the spray off those spots.
If you want a corded washer with two detergent tanks and a 40 degree tip, our Sun Joe SPX3000 Electric Pressure Washer Review covers that model.
How a wash goes with each machine
A corded wash starts at the spigot and the outlet. Connect the garden hose, unspool the 35 ft power cord, and plan a path around the car so neither the cord nor the hose drags across wet paint.
A cordless wash starts with the battery. Charge it first, then set a bucket of water within reach of the draw-hose and keep the bucket on the ground so the hose cannot tip it.
Grit in the water ends up on your paint. Fill the bucket with clean tap water for a car wash, rather than pulling from a lake or a pool.
With either machine, rinse loose dirt first, apply soap, then rinse from the top of the car down. Work one panel at a time so the soap never dries on the paint.
If you have room for two machines, the cordless one also works as a quick-rinse tool for dust between full washes. One corded washer is still the simpler choice if you only want to buy once.
Which to buy: cordless vs corded pressure washer for car
Pick the corded Greenworks 2100 PSI if an outlet is near the car and you want more pressure and flow. Pick the cordless WORX Hydroshot Plus WG633 if no outlet is close and you want to draw water from a bucket.
Most cordless vs corded pressure washer for car decisions come down to outlet access first and pressure second. Start with where you park, then think about how dirty your car gets.
Three questions settle most of it:
- Is there an outlet within reach of where the car parks?
- Do you want to draw water from a bucket instead of a hose?
- How dirty do your cars get, from light dust to dried mud?
The Greenworks suits a driveway wash with an outlet and a garden hose in reach. It also suits a car that gets muddy, since it moves more water.
The WORX suits an apartment, a small garage or any spot with no outlet near the car. It also suits a light wash on a car that is not very dirty.
Skip the Greenworks if you have no outlet near the car. Skip the WORX if you need more pressure for heavy grime.
Warranty does not split these two. Greenworks says its 3 year limited warranty covers defects in materials, parts and workmanship under normal use, and WORX also gives a 3 year limited term.
For more cordless picks, read Best Cordless Pressure Washers for Washing Your Car. For a wider set of options, see Best Pressure Washers for Washing Cars at Home.
Frequently asked questions
Can a cordless pressure washer replace a corded one?
For light washes, yes, but not for heavy dirt: the cordless WORX makes 609 max PSI at 0.9 GPM, while the corded Greenworks makes 2100 max PSI at 1.2 GPM. If you want the most pressure and flow from one machine, buy the corded model.
Is a cordless pressure washer strong enough for a car?
Yes for a light wash, since 609 max PSI and 0.9 GPM can rinse dust and loose dirt, but caked mud and road film go faster with a corded washer. Use a wide fan tip with either type, and keep the spray off chipped or peeling paint.
Do cordless washers work with foam cannons?
Some can, but the cannon has to fit the washer's wand. The Greenworks has a 1/4 inch universal quick connect that suits many cannons, while the WORX uses its own lance and nozzle, so follow WORX's manual before you buy a cannon for it.
Which is better for an apartment?
The cordless WORX usually suits an apartment better, since it weighs 4.4 lb and WORX says it can draw water from a bucket instead of a hose. The corded Greenworks needs an outlet and a garden hose, so check where you can plug in and connect water first.
