Kärcher K5 pressure washer review

Last updated on May 13th, 2023

I recently borrowed a Kärcher K5 Premium Full Control Plus pressure washer, to clean some granite paving blocks. I was super impressed, so wanted to share my experience, along with a video of before, during and after washing, for anyone who is considering purchasing the Kärcher K5 pressure washer.

I tested the pressure washer cleaning a wooden table, smooth granite patio paving slabs, and rough granite path block paving. The block paving gave a particularly satisfying clean (from 2:29)!

The K5 is one of Kärcher’s more powerful pressure washers, and looks the business. I originally intended to review it versus the Kärcher K2.36 that we were also using. The difference was too big though to make them a fair comparison.

Kärcher K5 versus wooden table (good results) – from 0:19

We did half the table top for comparison. The wood didn’t seem bad before, but the pressure washing removed lots of dirt and gave the wood back some colour. This was a fast way to get the furniture looking good for a new season of use.

Kärcher K5 versus patio slabs (good results) – from 2:14

The difference was more dramatic than is obvious from the video. The between slabs was a bit of an issue, as the pressure threw them about a bit. The quality of clean was good though, although some very dark spots were particularly difficult to remove, and it took very close use of the wand to remove them (too close to be reasonable to do across a large area). The overall improvement was still impressive.

Kärcher K5 versus paving (amazing results) – from 4:25

The block paving had been in-place for at least 10 years, if not 20+. The difference therefore was huge, and reasonably easy to achieve. I particularly love the last shot in this video, where it shows the point we stopped at. These are genuinely equal aged blocks, though it looks like the clean ones are brand new… pressure washing success here.

Amazon links to the model I used: Kärcher K5 Premium Full Control Plus

Amazon.com: https://amzn.to/2HZGpyk

Amazon.co.uk: https://amzn.to/2Kg7Gyv

Amazon.in: https://amzn.to/2KbdwkB

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