Our verdict on the Kärcher K4 Power Control Pressure Washer
- Buy it if
- You want one pressure washer that handles patios, decking, cars and bikes with the right pressure for each.
- Skip it if
- You only wash a car or bikes; a smaller K2 is enough.
- Best for
- Most homes
- Key feature
- Strong all-rounder with app-guided pressure settings
- Typical price
- £229–£279
Key specifications
| Max pressure | 130 bar |
|---|---|
| Flow | 420 l/h |
| Power | 1,800 W |
Who should buy it, and who should skip it
A good fit if you
- want one pressure washer that handles patios, decking, cars and bikes with the right pressure for each
- value plenty of power for patios
- can spend around £229–£279
Skip it if you
- only wash a car or bikes; a smaller K2 is enough
- mind that bulky to store
Pros and cons
Pros
- Plenty of power for patios
- Pressure shown on the gun
- Quick-connect accessories
Cons
- Bulky to store
- Patio cleaner costs extra
What it is
The Kärcher K4 Power Control Pressure Washer is a pressure washer from Kärcher, typically £229–£279. Its headline feature is strong all-rounder with app-guided pressure settings, and it is best for most homes.
What stands out
- Plenty of power for patios
- Pressure shown on the gun
- Quick-connect accessories
What to know
- Bulky to store
- Patio cleaner costs extra
Is it worth it?
If you want one pressure washer that handles patios, decking, cars and bikes with the right pressure for each, the Kärcher K4 Power Control Pressure Washer is a strong choice. If you only wash a car or bikes; a smaller K2 is enough, look elsewhere. The Bosch EasyAquatak 120 Pressure Washer (£79–£99) is the alternative for budget. The Kärcher K2 Compact Pressure Washer (£69–£89) is the alternative for cars and bikes.
Alternatives worth considering
Bosch · Pressure Washers
Bosch EasyAquatak 120 Pressure Washer
Buy it if You want an inexpensive, light washer for cars, bikes and garden furniture.
- Verdict
- Buy
- Best for
- Budget
- Typical price
- £79–£99
Pros
- Light and compact
- Low price
Cons
- Slow on big patios
Kärcher · Pressure Washers
Kärcher K2 Compact Pressure Washer
Buy it if You want a small, well-known washer for occasional car, bike and garden furniture cleaning.
- Verdict
- Buy
- Best for
- Cars and bikes
- Typical price
- £69–£89
Pros
- Very compact
- Trusted brand
Cons
- Low pressure for patios
Frequently asked questions
Is the Kärcher K4 Power Control Pressure Washer worth it?
Yes. The Kärcher K4 Power Control Pressure Washer stands out for strong all-rounder with app-guided pressure settings, and it suits you if you want one pressure washer that handles patios, decking, cars and bikes with the right pressure for each. Skip it if you only wash a car or bikes; a smaller K2 is enough.
Who should skip it?
If you only wash a car or bikes; a smaller K2 is enough, an alternative will suit you better.
Is the Kärcher K4 Power Control Pressure Washer worth it?
Yes. The Kärcher K4 Power Control Pressure Washer stands out for strong all-rounder with app-guided pressure settings, and it suits you if you want one pressure washer that handles patios, decking, cars and bikes with the right pressure for each. Skip it if you only wash a car or bikes; a smaller K2 is enough.
What are the downsides of the Kärcher K4 Power Control Pressure Washer?
Bulky to store. Patio cleaner costs extra