Pressure washers have improved in many important ways ... the Kärcher K4 Power Control above which sports 130 bar, let alone the K7 below which hits a whopping 180 bar. But in our test using ...

The clue is in the power: pressure washer. One of the most important factors ... The Kärcher K4 is rated as delivering a maximum of 130 bar while the K7 offers a slightly better maximum of ...