Head to head
Belle PCX 20/50 vs Karcher K5 Power Control Flex
The Belle PCX 20/50 is a heavyweight forward plate compactor, 500 mm baseplate. 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
| Belle PCX 20/50 | Karcher K5 Power Control Flex | |
|---|---|---|
| Weight | 97 kg | 12.4 kg (without accessories) |
| Engine power | 4.9 - 3.6 (Hp) - (kW) | - |
| Centrifugal force | 20 kN | - |
| Travel speed | 25 (m/min) | - |
| Max pressure | - | 20-145 bar |
| Max flow rate | - | 500 l/h |
| Area performance | - | 40 sq m per hour |
Sources: Belle PCX 20/50, Karcher K5 Power Control Flex. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the PCX 20/50 if...
A heavyweight forward plate for soil, asphalt and paving compaction on new developments and repairs. Used by groundworkers and highways contractors.
Full PCX 20/50 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 Belle PCX 20/50 and the Karcher K5 Power Control Flex?
The Belle PCX 20/50 is a heavyweight forward plate compactor, 500 mm baseplate; the Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
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