Karcher K6.91

Date: March 2007

• Rating:

Good on paper, with its powerful motor and high flow rate, but this pricey unit trailed cheaper rivals for cleaning. The lance didn’t adjust finely enough to tackle baked-on dirt, and despite throwing out lots of water, it took longer to clean. It was fiddly to assemble, too, but you do get two detergent bottles and a wheel brush.

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