Head to head
Karcher HDS 5/11 U vs Karcher K5 Power Control Flex
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class. The Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
Last reviewed 13 September 2026
Specifications side by side
| Karcher HDS 5/11 U | Karcher K5 Power Control Flex | |
|---|---|---|
| Max pressure | 110 bar | 20-145 bar |
| Weight | 65.4 kg (with accessories) | 12.4 kg (without accessories) |
| Flow rate | 450 l/h | - |
| Max water temperature | 80 C | - |
| Motor power | 2.2 kW | - |
| Max flow rate | - | 500 l/h |
| Area performance | - | 40 sq m per hour |
Sources: Karcher HDS 5/11 U, Karcher K5 Power Control Flex. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HDS 5/11 U if...
The HDS 5/11 U is an entry point into Karcher's hot-water professional range, used by cleaning contractors and agricultural or workshop users needing hot water for grease and oil removal. It is a common unit on trade cleaning equipment hire fleets rather than a domestic purchase.
Full HDS 5/11 U specifications →Buy or hire the K5 Power Control Flex if...
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.
Full K5 Power Control Flex specifications →Common questions
What is the difference between the Karcher HDS 5/11 U and the Karcher K5 Power Control Flex?
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class; the Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
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