Karcher K3 Power Control
#10 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 eBay$175.99
The Karcher K3 Power Control is the better pressure washer overall, rated 3.2 to 2.2. The Karcher K3 Power Control leads on cleaning power, value and hose. The Sun Joe SPX3000 costs $6.99 less ($169 vs $175.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
Sun Joe SPX3000
#21 in ElectricFull review
A long selling budget washer for cars, patios and decks, with two soap tanks for switching cleaners. Pick a model with a longer hose if you clean large areas.
Amazon $169 eBay$169
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 1,798 cleaning units (1,450 PSI x 1.2 GPM)), value ($67.43 per 1,000 cleaning units ($175.99, 2,610) vs $93.99 per 1,000 cleaning units ($169, 1,798)) and hose (25 ft hose vs 20 ft hose).
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 | Sun Joe SPX3000 |
|---|---|---|
| Overall rating | 3.2/5 | 2.2/5 |
| Value 35% | 68 $67.43 per 1,000 cleaning units ($175.99, 2,610) | 42 $93.99 per 1,000 cleaning units ($169, 1,798) |
| Cleaning power 30% | 54 2,610 cleaning units (1,800 PSI x 1.4 GPM) | 0 1,798 cleaning units (1,450 PSI x 1.2 GPM) |
| Hose 10% | 33 25 ft hose | 0 20 ft hose |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Karcher K3 Power Control | Sun Joe SPX3000 | |
|---|---|---|
| Cleaning | ||
| Pressure | 1,800 PSI | 1,450 PSI |
| Flow | 1.4 GPM | 1.2 GPM |
| Cleaning units | 2,610 | 1,798 |
| Nozzles included | 2 | 5 |
| Detergent | Onboard tank | Onboard tank |
| Power | ||
| Power | Electric | Electric |
| Engine or motor | - | 14.5 A |
| Total stop | - | Yes |
| Build | ||
| Hose | 25 ft | 20 ft |
| Power cord | - | 35 ft |
| Weight | 12.1 lb | 24.3 lb |
| Warranty | 2 years | 2 years |