
Kärcher K4 Power Control
Score: 78/100
Greenworks Portable Pressure Washer
Score: 75/100Rankings

The Kärcher K4 Power Control is a mid-range electric pressure washer designed for residential outdoor cleaning tasks, delivering up to 1900 PSI with a water-cooled induction motor. It features smart app integration and adjustable pressure settings via an LED display trigger gun. It is best suited for homeowners performing regular residential outdoor cleaning tasks who value smart features and durability.

The Greenworks 1900 PSI 1.2 GPM pressure washer is a portable, compact, corded electric cold water unit designed for light- to medium-duty cleaning tasks. It features a push-button start and an integrated hose reel for convenience, though its light-duty pressure and universal motor are trade-offs. It is best suited for homeowners needing to clean windows, vehicles, and patio furniture without gas maintenance.
| Attribute | ![]() | ![]() |
|---|---|---|
1,900 PSIbest | 1,900 PSIbest | |
1.5 GPMbest | 1.2 GPM | |
26 ftbest | 20 ft | |
| ↓ lower better | 28 lbs | 21.4 lbsbest |
— | 3 yearsbest | |
120 Vbest | 120 Vbest | |
— | 35 ftbest | |
— | 3 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Flow Rate (GPM) | 1.5 GPM | 1.2 GPM |
Pump Type | Three-piston Axial | Axial Cam |
Power(2) | ||
Motor Type | Induction | Universal |
Power Cord Length (ft) | null ft | 35 ft |
Features(1) | ||
Hose Length (ft) | 26 ft | 20 ft |
Accessories(1) | ||
Nozzle Types | Vario Power, Dirt Blaster | 25°, 40°, Turbo |
General(3) | ||
Weight (lbs) | 28 lbs | 21.4 lbs |
Warranty Length (years) | null years | 3 years |
Overall Dimensions | 12.1 x 23.2 x 15.9 inches | 36.22x11.99x15.35 |

Products in the top-left offer the best value (high score, low price).

The provided search results do not include dedicated expert reviews or professional testing reports. The available information consists solely of manufacturer specifications and product descriptions from retailers, with no independent third-party evaluations, benchmark testing, or expert editorial commentary available.
The search results do not include user reviews, customer testimonials, or feedback from everyday consumers. Therefore, common praise or recurring complaints cannot be documented from these sources.




Professional reviewers and retailer descriptions highlight the pressure washer's suitability for light- to medium-duty tasks such as cleaning windows, vehicles, grills, patio furniture, and decks. The 13-amp motor and axial cam pump are praised for their power, while the push-button start and onboard storage are noted for their convenience.
No specific consumer reviews, ratings, or recurring praise/complaints are detailed in the search results. Product pages show placeholders for ratings without numerical data, making it impossible to determine common user issues or satisfaction levels.