Karcher
K5 Power Control Flex
Domestic electric pressure washer for patios, cars and outdoor cleaning
Last reviewed 13 September 2026
Specifications
| Max pressure | 20-145 bar |
| Max flow rate | 500 l/h |
| Weight | 12.4 kg (without accessories) |
| Area performance | 40 sq m per hour |
Figures taken from the manufacturer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.
Who uses it
The K5 sits in Karcher's mid-to-upper domestic range, bought outright by homeowners for regular patio, car and garden furniture cleaning rather than hired. It is frequently the model UK reviewers and retailers use as the benchmark domestic Karcher pressure washer.
Closest alternative
The model most often cross-shopped against the K5 Power Control Flex is the Bosch AQT.
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