Karcher K 3000 E
#3 in ElectricFull review
Karcher’s most powerful plug-in washer, for homeowners who want near gas cleaning on driveways and decks. It costs as much as many gas washers.
Amazon $449.98$449.98
The Karcher K 3000 E rates 3.5 among electric pressure washers; the Westinghouse WPX3000 rates 3.3 among gas ones. The Westinghouse WPX3000 costs $150.98 less ($299 vs $449.98).
Westinghouse WPX3000
#10 in GasFull review
A light, low cost washer for homeowners with occasional deck and car jobs. Buyers who use soap often should look at the WPX3400 with its built-in tank.
Amazon $299$299
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.
Scores side by side
These two sit in different power source classes (electric and gas), and each is scored against the reference points for its own class, so a rating says how well each does among its own power source peers. How we rank explains each factor.
| Factor weight | Karcher K 3000 E | Westinghouse WPX3000 |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 35% | 13 $136.36 per 1,000 cleaning units ($449.98, 3,300) | 77 $43.33 per 1,000 cleaning units ($299, 6,900) |
| Cleaning power 30% | 100 3,300 cleaning units (3,000 PSI x 1.1 GPM) | 32 6,900 cleaning units (3,000 PSI x 2.3 GPM) |
| Hose 10% | 100 35 ft hose | 33 25 ft hose |
| Warranty 25% | 50 warranty not published (neutral score used) | 50 3-year warranty |
Specifications
| Karcher K 3000 E | Westinghouse WPX3000 | |
|---|---|---|
| Cleaning | ||
| Pressure | 3,000 PSI | 3,000 PSI |
| Flow | 1.1 GPM | 2.3 GPM |
| Cleaning units | 3,300 | 6,900 |
| Nozzles included | 5 | 4 |
| Detergent | Onboard tank | Siphon tube |
| Power | ||
| Power | Electric | Gas |
| Engine or motor | 15 A, brushless | 212 cc (Westinghouse OHV) |
| Pump | - | Axial cam |
| CARB compliant | - | No |
| Build | ||
| Hose | 35 ft | 25 ft |
| Power cord | 35 ft | - |
| Weight | - | 50.7 lb |
| Warranty | - | 3 years |