Karcher Pressure Washer Reviews: Compare the Best Buy Models

Karcher Pressure Washer Reviews: Compare The Best Buy Models?

Karcher is one of the top brands when it comes to the manufacturing of pressure washers, and finding the best Karcher pressure washer is not always an easy task.

They produce some of the best and most bought pressure washers on the market, and their line is incredibly diverse.

In this review guide, we take a look at their top four models and relevant Karcher pressure washer reviews so that you know which model is best for which task.

Things to Consider Before Buying a Karcher Pressure Washer

Purchasing a pressure washer is not always an easy task. After all, Karcher offers four fantastic models at varying prices, and each performs best in certain areas.

So when you go to purchase your Karcher pressure washer, the first thing you should be doing is asking yourself why you are buying it.

What kind of tasks do you plan to carry out with it? Once you can answer that question, the decision process becomes simpler.

The other thing you should consider before you purchase is the size of the machine you are considering.

 If you want something that is easy to store away as well as relatively lightweight, then the K2, for example, will be the right model for you.

Out of the four, it is the lightest and most compact one available for purchase.

Here are each of the available models along with the reviews for you to look at.

Karcher K2
Compact

Karcher K4
Full Control

Karcher K5
Full Control

Karcher K7
Full Control

Karcher K2 compact home pressure washer
Karcher K4 Full Control Pressure Home Washer
Karcher K5 Full Control Pressure Home Washer
Karcher K7 Full Control Home Pressure Washer

Pressure (Bar)

110

130

145

160

Water Flow (l/h)

360

420

500

600

Area Cleaned (Square
Metres per Hour)

20

30

40

60

Motor Watts

1400

1800

2100

2800

Motor

Air-Cooled

Water-Cooled

Water-Cooled

Water-Cooled

Detergent Intake

Suction Tube

Plug & Clean

Plug & Clean

Plug & Clean

Water suction

-

Yes

Yes

Yes

Pressure Hose Length

4m

6m

8m

10m

Power Cord Length

5m

5m

5m

5m

Spray Gun

Standard high-pressure lance Gun

Full Control Power Gun with LED Display

Full Control Power Gun with LED Display

Full Control Power Gun with LED Display

Perfect for...

Bikes
Cars
Patio Furniture

Bikes & Cars
Outdoor Furniture
Patios
Garage Doors

Bikes, Cars & Vans
Outdoor Furniture
Larger Patios
Garage Doors
Driveways
Brickwork

Cars, Vans & 4x4's
Boats
Outdoor Furniture
Large Patios
Garage Doors
Driveways
Brickwork

Karcher K2 compact home pressure washer review

Karcher K2 compact home pressure washer

Presenting the Karcher K2 Compact

The Karcher K2 Compact is lightweight and easy to carry around, making it ideal for those who need something small and easy to store so that they can carry out odd jobs around the home. It is a great entry-level model that offers a compact build with all the power you need for some light work. It’s perfect for use on bikes, cars, and patio furniture.

It is really easy to use, with very few settings or attachments. This goes back to it being an entry level model and shows how simple it is to use so that even those who have never handled a pressure washer before can find their way around it with ease. Plus, it is incredibly affordable, so great for those who are on a budget or don’t want to spend a great deal. It’s definitely one of the best-priced machines.

However, if you are looking for a model that is capable of cleaning large patios, brickwork, or garage doors, then something like the K5 or K7 might be the best bet for you.

Features and Benefits

The K2 Compact has a 1400-watt motor, providing the pressure washer with 110 bar pressure and an impressive 360 litres per hour. It has also been designed with an automatic start and stop function so that it is not constantly using water while you are cleaning. The water inlet filter is also built into the machine, protecting the motor and pump from potentially harmful debris.

It comes ready with onboard storage for each of the tools and accessories that come with this machine. It also has a detergent suction tube, allowing you to draw detergent from a container. The pressure washer will then slowly draw detergent out and use it when it is being handled at low-pressure levels.

It comes with four accessories, each of which is incredibly useful and easy to use. The dirt blaster is a powerful rotary nozzle that has been designed with a rotating pencil jet.

This provides up to 50% increased cleaning power. The one-way lance is ideal for patios as it provides a constant high-pressure jet.

The T150 patio cleaner attachment is used for the splash free cleaning of your patio and has the benefit of two flat, rotating jet nozzles for extra cleaning power.

The high-pressure hose measures in at four metres and simply connects to the main unit via the trigger gun (which can be stored in the allocated slot when not in use).

It also has a cable hook, so that when it is not in use the cable does not get left lying around. This handy feature is great for safety as well as tidy packing.

The Karcher K2 Compact is definitely the best Karcher pressure washer for those looking for something either on a budget or entry level.

question

FAQ's

Q: Is this on wheels so that its easy to move around?

A: No its not on wheels but it is very light and compact so easy to move around. 


Q: What is the length of the cable?

A: 5 metres so plenty of length to get round the whole of the garden.



Karcher K4 Full Control Pressure Home Washer Review

Karcher K4 Full Control Pressure Home Washer

Presenting the Karcher K4 Full Control

The Karcher K4 Full Control may not be as light as its K2 counterpart, but it is very portable thanks to the strong wheels that have been included on the base of the model, along with the handle which is easy to grip.

 It is not massively heavy, but the wheels and handle certainly make it easier to transport.

It’s a great model for use around your home, thanks to all of the additional features that come with it.

There is even a patio cleaner included, so no odd job will end up left out or forgotten thanks to this comprehensive piece of kit.

It’s very easy to use, with simple settings and quick tool attachment. It certainly makes life a little easier when it comes to cleaning the outside of your home, and it is ideal for use on bikes or cars, outdoor furniture, patios, and garage doors.

However, if you are looking for something a little more compact and lightweight, the K2 compact might be the right model for you. It’s smaller and perfect for cars and bikes.

 Or, if you need something with more power and capability, the K7 is also available. This model is perfect for brickwork, large areas, and vans.

Features and Benefits

The K4 Full Control has more power than the K2 Compact, providing 130 bar pressure and 420 litres per hour, thanks to the 1800w motor. It can do everything the K2 Compact is capable of, and more thanks to its size and power.

 It comes with a Vario and dirt blaster lance, allowing you to vary the pressure by twisting the barrel until you reach the desired pressure.

 The LED display on the power gun is also an excellent indicator with regards to discovering if you have reached your desired power level.

It has high-pressure settings, as well as a low-pressure detergent setting so that it provides optimal performance.

 The plug and clean detergent system is also incredibly efficient and can be quickly replaced with just one movement. It even comes with 3-in-1 stone detergent, which provides high-quality cleaning performance for stone patios, walls, and facades.

It also comes with the T350 T-Racer surface cleaner, which is the ideal tool for cleaning a wide range of surfaces, including your patio.

It’s incredibly efficient and splash-free, along with having two flat jets on the base for quick and thorough results. It also has onboard storage for the hose, tools, and accessories, so you can take them with you easily.


Karcher K5 Full Control Pressure Home Washer Review

Karcher K5 Full Control Pressure Home Washer

Presenting the Karcher K5 Full Control

Much like the K4, the Karcher K5 Full Control has excellent portability, despite its large size and weight (especially when compared to the K2 and K4).

It has high impact wheels to take it across most terrains, along with a telescopic handle.

This makes it easier to grip as well as retractable, so moving your pressure washer around has never been easier.

It's a fantastic model for use around the home and can handle a huge number of tasks, especially in comparison to the K2 and K4 models.

It is the perfect power washer for bikes, cars, and vans, as well as outdoor furniture, larger patios, garage doors, driveways, and brickworks. It can handle pretty much anything your home has, and all with superb levels of power.

However, if you want something that is available at a more budget price, then the K2 compact might be the best model for you.

 It can’t handle as much as the K5, but if you don’t need to clean large areas and brickwork, then the K2 has you covered.

Features and Benefits

The Karcher K5 full control is incredibly easy to set up and operate, making it simple and hassle free. It also features a full control spray gun with an LED display so that you can ensure the correct power level has been selected.

Like the K4, it has a plug and clean detergent system that can be replaced quickly and easily with one simple manoeuvre.

In terms of price, it is in the mid-range, and it offers more power than the previous models. It has a 2100w motor, alongside 145 bar pressure and 500 litres per hour of water.

This makes it powerful enough to tackle mud caked off-road vehicles, as well as masonry. It’s perfect for more rural living, especially as it tends to be muddier in these locations.

It comes with the Vario lance and the dirt blaster lance, which offer varying pressures by simply twisting the lance to adjust it. The dirt blaster lance releases a constant jet, perfect for getting rid of stubborn muck from your outdoor areas or vehicles.

It also comes with a litre of stone detergent for the pressure washer. This 3-in-1 formula is ideal for stone walls, patios, and facades. It provides care and protection for your surfaces in one simple formula.

The K5 Full Control also comes with the T350 T-Racer surface cleaner. This fantastic device makes cleaning surfaces such as your patio that much easier, with its two integrated flat jets, and splash proof design.

 Plus, it has a specially designed handle so that it can deal with vertical surfaces such as garage doors. It’s quick and efficient.

This pressure washer also benefits from a lower centre of gravity for improved stability, as well as complete on board storage for your hose, tools, and accessories.

So taking them along with you is easy and efficient. It also features a high-performance, water-cooled motor, increasing the total lifespan of this superb piece of kit.


Karcher K7 Full Control Home Pressure Washer Review

Karcher K7 Full Control Home Pressure Washer

Presenting the Karcher K7 Full Control

The Karcher K7 Full Control is in the premium price range, but it’s quality certainly reflects this.

Like its predecessors, it has fully reinforced wheels that allow it to take on most terrains, along with a retractable telescopic handle that has an easy and comfortable grip.

 It weighs nearly 20kg, so the reinforced wheels will definitely come in useful.

It is the ideal machine for homes that require a lot of power to keep the outdoor areas clean and free from mud and muck.

When it comes to vehicles, it is the perfect machine for cars, vans, boats, and 4x4’s. In terms of the home, it is the ideal model for outdoor furniture, large patios, garage doors, driveways, and brickwork.

However, if you don’t need something quite as powerful as this, then the K4 or K5 models might be a better fit for you.

They pack enough of a punch to keep outdoor areas clean, but are also less expensive. They might not be able to cover quite as much space or as many vehicles as the K7 but they certainly do the trick.

Features and Benefits

This is the most powerful pressure washer in the Karcher family. It features an impressive 2800w motor, providing 160 bar pressure and 600 litres per hour of water.

No matter what you need the K7 Full Control to do, it’s more than likely able to get it done. The increased water flow makes jobs quicker, and the pressure causes them to also be more efficiently done.

Like the other models, the K7 has been designed to give you full control over the pressure.

The spray gun offers an LED display, letting you know that you have the right pressure setting and power level. It is also incredibly easy to set up and operate this model, making it perfect for those who are new to pressure washers, as well as more experienced buyers.

It has the plug and clean detergent system, allowing the detergent to be replaced quickly and easily with one simple move.

It even comes with one litre of stone detergent. This powerful formula is ideal for stone patios, walls, and facades around the home.

It works quickly to protect the surfaces as well as care for them when in use. It’s a fantastic formula that is bound to leave your stone surfaces looking amazing.

It comes with a Vario lance as well as a dirt blaster, much the same as the K4 and K5. These work simply by twisting the nozzle until your desired setting is reached.

They allow for the pressure to be varied according to the task you are undertaking, and the dirt blaster is perfect for particularly mucky outdoor areas or vehicles. They offer an efficient and comprehensive clean.

The K7 Full Control also comes with the T450 T-Racer surface cleaner. It has two flat jets on the base to create splash-free cleaning of surfaces such as patios and garage doors.

It is able to tackle vertical surfaces thanks to the specially designed handle. It also has a power nozzle for corner and edge cleaning, so you don’t miss a spot.

It has onboard storage for all the included accessories, as well as a place to store the hose.

This makes packing it away more efficient as well as taking it from place to place. The K7 also features a lower centre of gravity for better stability, alongside the Karcher patented cooling system.

The water cooled motor reduces wear and increases the lifespan of the machine, so it will last you for years to come.


How Do They Compare?

Here are some excellent alternatives to the Karcher range, just in case they didn’t quite appeal to you and your needs.

Nilfisk C110

Nilfisk C110

Nilfisk is a top brand that has provided us with excellent quality cleaning equipment for decades.

This model is lightweight, with an easy to hold handle for quick portability. Powerful and simple to use, it boasts some great additional features that you won’t want to miss.

Nilfisk C130 1-6 X-Tra Pressure Washer

Nilfisk C130

This lightweight and easy to use pressure washer provides an excellent quality clean and is available at a reasonable price.

It has a wide range of additional features, including some excellent tools such as the tornado and pencil jet nozzles. A great buy for those who want to do light work around the home.

Whale W90-M

Whale W90-M

This professional pressure washer comes at a budget price and in a great shade of green. It features a powerful engine and metal pump, as well as a 3-in-1 nozzle and six-metre hose.

With these advantages, it will take you no time at all to clean your patio. A great purchase at a low price.

Setting Up Your Karcher Pressure Washer

When it comes to unboxing and setting up your new Karcher pressure washer, the process is much easier compared to some.

 However, it can be useful to see the machine in action, along with a few helpful tips for how to set it up. Below, are some videos that might be able to give you a hand.

To Conclude

Karcher is a brand that many people trust, and it is highly respected for its great quality machines. Finding the best Karcher pressure washer is no easy task, as each of the models here is exceptional.

A lot of it is down to personal preference and need. If you need something compact that does a good job on your car or bike, then the K2 Compact is probably the right way to go.

If you are on a bit of a budget but need something to do some light work on the patio, then the K4 Full Control is the best choice you can make. However, for the bigger outdoor tasks, it’s between the K5 and the K7 Full Compact.

Both of these are great for large areas, but the K7 offers more power and is great for those with 4x4’s and boats to hose down. You’re sure to find the right model for you here, it’s all down to what you need from a pressure washer.

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