Karcher K5 Premium
#19 in ElectricFull review
A long lasting induction motor washer for regular car, deck and patio cleaning. Newer models give more pressure for the money.
Amazon $353.10$353.10
2.1/5
A sturdy roll cage washer with two pressure settings and a big soap tank. Most buyers get more cleaning power for less from other brands.
- 1,800 PSIPressure
- 1.1 GPMFlow
- 20 ftHose
- 2 yearsWarranty
Check price at Sun Joe$249
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Low and high pressure settings, so you can turn it down for cars and wood
- Large 54 oz soap tank lasts a whole house wash
- Metal roll cage protects the pump and motor from knocks
- Five quick-connect tips included
Cons
- $249 for 1800 PSI and 1.1 GPM is weak value next to 2000 PSI washers under $200
- Short 20 ft hose
- Sold mainly through Sun Joe’s own store
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | SPX4004-MAX |
|---|---|
| Cleaning | |
| Pressure | 1,800 PSI |
| Flow | 1.1 GPM |
| Cleaning units | 1,980 |
| Nozzles included | 5 |
| Detergent | Onboard tank |
| Power | |
| Power | Electric |
| Engine or motor | 13 A |
| Total stop | Yes |
| Build | |
| Hose | 20 ft |
| Power cord | 35 ft |
| Weight | 26.5 lb |
| Warranty | 2 years |
Alternatives in this power source
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
Karcher K1700
#21 in ElectricFull review
A simple, durable light duty washer for cars, patios and furniture. Most buyers get more pressure for the money elsewhere.
Amazon $189.99$189.99
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