Head to head
Karcher K5 Power Control Flex vs Milwaukee M18 FPD3
The Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning. The Milwaukee M18 FPD3 is a 18v brushless combi drill for drilling and driving with hammer action.
Last reviewed 13 September 2026
Specifications side by side
| Karcher K5 Power Control Flex | Milwaukee M18 FPD3 | |
|---|---|---|
| Weight | 12.4 kg (without accessories) | 2.2 kg |
| Max pressure | 20-145 bar | - |
| Max flow rate | 500 l/h | - |
| Area performance | 40 sq m per hour | - |
| Max torque | - | 158 Nm |
| Chuck | - | 13mm keyless metal |
| No-load speed | - | 0-2100 rpm (2-speed) |
| Percussion rate | - | 33,000 bpm |
| Max drilling capacity | - | 89mm (wood); 16mm (metal/masonry) |
Sources: Karcher K5 Power Control Flex, Milwaukee M18 FPD3. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the M18 FPD3 if...
The FPD3 is Milwaukee's current flagship 18V combi drill, bought by tradespeople already on the M18 battery platform who want high torque in a compact body. It competes directly with DeWalt's XR and Makita's brushless combi drills at the premium end of cordless drilling.
Full M18 FPD3 specifications →Common questions
What is the difference between the Karcher K5 Power Control Flex and the Milwaukee M18 FPD3?
The Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning; the Milwaukee M18 FPD3 is a 18V brushless combi drill for drilling and driving with hammer action.
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