Karcher K3 Power Control
#4 in ElectricFull review
A light, easy to control washer for cars, bikes and patios with a pressure display on the gun. A good pick for apartment and small home owners.
Amazon $175.99 Karcher $139.99$139.99
The Karcher K3 Power Control is the better pressure washer overall, rated 3.5 to 2.7. The Karcher K3 Power Control leads on cleaning power, value and hose. The Greenworks 1600 PSI GPW1602 wins on warranty. The Karcher K3 Power Control costs $10 less ($139.99 vs $149.99).
Greenworks 1600 PSI GPW1602
#20 in ElectricFull review
A light, simple washer for cars and patio furniture with a longer warranty than most budget models. Overpriced for its power.
Amazon $149.99$149.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Karcher K3 Power Control for cleaning power (2,610 cleaning units (1,800 PSI x 1.4 GPM) vs 1,920 cleaning units (1,600 PSI x 1.2 GPM)), value ($53.64 per 1,000 cleaning units ($139.99, 2,610) vs $78.12 per 1,000 cleaning units ($149.99, 1,920)) and hose (25 ft hose vs 20 ft hose).
- Choose the Greenworks 1600 PSI GPW1602 for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every electric pressure washer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Karcher K3 Power Control | Greenworks 1600 PSI GPW1602 |
|---|---|---|
| Overall rating | 3.5/5 | 2.7/5 |
| Value 35% | 86 $53.64 per 1,000 cleaning units ($139.99, 2,610) | 57 $78.12 per 1,000 cleaning units ($149.99, 1,920) |
| Cleaning power 30% | 54 2,610 cleaning units (1,800 PSI x 1.4 GPM) | 8 1,920 cleaning units (1,600 PSI x 1.2 GPM) |
| Hose 10% | 33 25 ft hose | 0 20 ft hose |
| Warranty 25% | 25 2-year warranty | 50 3-year warranty |
Specifications
| Karcher K3 Power Control | Greenworks 1600 PSI GPW1602 | |
|---|---|---|
| Cleaning | ||
| Pressure | 1,800 PSI | 1,600 PSI |
| Flow | 1.4 GPM | 1.2 GPM |
| Cleaning units | 2,610 | 1,920 |
| Nozzles included | 2 | 2 |
| Detergent | Onboard tank | - |
| Power | ||
| Power | Electric | Electric |
| Engine or motor | - | 13 A |
| Build | ||
| Hose | 25 ft | 20 ft |
| Power cord | - | 35 ft |
| Weight | 12.1 lb | 15.5 lb |
| Warranty | 2 years | 3 years |