The Kärcher K4 Full Control Home Pressure Washer is a fantastic all-round system, delivering quality results in every application

Karcher introduced its 'Full Control' range of premium pressure washers in 2016. They are supposed to make it easier to choose the right strength of spray for your surfaces. The Karcher K4 Full Control is one of the cheaper models in the Full Control...

Having had many pressure washers over the years the K4 is by far the best. The patio cleaner is superb, it cleans my drive far better than the K2, the rotary lance is very good for very stubborn stuff and the Variable fan-jet lance good for rinsing...

This is my 2nd Karcher, 1st one didn't get heavy use so I couldn't judge reliability easily. I've made a note of this K4 which has lasted 4 Springtime washes of my forecourt and deck area and is already pulsing on and off with insufficient power to run...

Was worried about which? comments about patio head not as good at cleaning as lance, but amazed by results on my 20 year old deck boards, amost brought back to new. Patio head is cleaning about 100 times area of lance so would not expect it to be as...

Thank you to everyone who has mentioned that they have had a problem with their Karcher pressure washer, which has developed a leak after it has been used for a while. This is a very common problem with all types of pressure washer that have plastic...

Second karcher I've had. Again like others I've purchased karcher due to Which's best buy. They perform as stated but the reliability i find appaulling. There seems to be a weakness where something splts inside and water gushes out. Nobody seems to...

These are not cheap devices to buy and I feel let down that my K4_600 has leaked and pulsed like an earlier model. I was amazed about the internet traffic about this problem. I am now scouring Which to find an alternative.Another disappointing thing is...

Its good to use, it takes a bit of setting up when we use water from the drain water barrels, but its cheap to run in that mode, the only problem is the main pressure hose is a bit short, so we bought a extention hose, that solved the problem,when...

My 5 year old K2 was starting to fail after sterling service but I felt the need to try a more powerful model.After investigations I plumped for the K4 with Patio Cleaner bundle and having used it to clean the drive, the patio and the car twice I am...