The 10 Best Karcher K4 Compact Offers in UK - September 2025

The Karcher K4 Compact is an excellent pressure washer that is suitable for a variety of outdoor cleaning tasks. It is a highly versatile tool that is compact and easy to maneuver, making it ideal for use on small or medium size properties. The dimensions of this pressure washer are 350mm x 375mm x 875mm, making it a relatively small and lightweight unit that can fit snugly into any storage space.

One of the most impressive features of the Karcher K4 Compact is its weight. At just 11kg, it is one of the lightest models in its class. It is also relatively small and easy to maneuver, making it a popular choice for homeowners who need a portable and easy-to-use tool for outdoor cleaning.

Despite being compact, the Karcher K4 Compact is a powerful pressure washer that can deliver up to 130 bar of pressure, making it capable of removing even the most stubborn dirt and grime from a variety of surfaces. This is achieved through the use of a powerful motor that is capable of delivering up to 1800 watts of power.

The Karcher K4 Compact also comes with a range of accessories that make it even more versatile. These include a high-pressure hose, a spray gun, and a range of nozzles that can be adjusted to suit different cleaning tasks. The hose is 6 meters long, which makes it easy to reach even the most difficult areas. The spray gun is also ergonomically designed, making it comfortable to hold and easy to use for extended periods of time.

In summary, the Karcher K4 Compact is a compact and highly versatile pressure washer that is suitable for a variety of outdoor cleaning tasks. Its compact dimensions and lightweight design make it easy to maneuver and store, while its powerful motor and range of accessories make it capable of tackling even the toughest cleaning jobs. So, if you're looking for a reliable pressure washer that is easy to use and delivers excellent results, the Karcher K4 Compact is definitely worth considering.

The Karcher K4 Compact is a high-performance pressure washer that boasts an impressive 1800-watt motor. With a maximum pressure of 130 bars and a water flow rate of 420 litres per hour, this machine is powerful enough to tackle even the toughest cleaning tasks. Whether you need to clean your patio, driveway or car, the Karcher K4 Compact is up to the job.

One of the standout features of the Karcher K4 Compact is its compact design. This machine is smaller and lighter than many other pressure washers on the market, making it easy to store and transport. Despite its small size, however, it packs a powerful punch, making it a great choice for both domestic and commercial use.

Another key feature of the Karcher K4 Compact is its versatility. This machine comes with a range of attachments and accessories, including a high-pressure lance, a dirt blaster and a vario power spray lance. These tools make it easy to adjust the pressure and flow of water to suit your specific cleaning needs, allowing you to tackle everything from stubborn dirt and grime to delicate surfaces like wood and glass.

Overall, the Karcher K4 Compact is a highly capable pressure washer that combines power, versatility and portability in a single package. Whether you're looking to clean your home, garden or car, this machine is up to the task, making it a must-have for anyone who takes their cleaning seriously. With its impressive performance, compact design and range of attachments, the Karcher K4 Compact is sure to be a valuable addition to your cleaning arsenal.

The Karcher K4 Compact is a high-performance electric pressure washer that is perfect for cleaning a wide range of surfaces, from cars to patios and everything in between. This machine is equipped with a powerful motor that delivers exceptional cleaning power, making it easier than ever to achieve a spotless finish with minimal effort.

The motor in the Karcher K4 Compact is an air-cooled induction motor, which is designed to provide reliable, long-lasting performance. This type of motor is known for its high efficiency and low noise levels, making it ideal for residential use. With a power output of 1800 watts and a maximum pressure of 130 bar, this machine is capable of tackling even the toughest cleaning tasks with ease.

One of the key benefits of an air-cooled induction motor is that it requires very little maintenance. Unlike some other types of motors, there are no brushes or commutators to wear out or replace. The result is a machine that is incredibly reliable and easy to maintain, ensuring that you get years of consistent performance from your Karcher K4 Compact.

Another benefit of the motor in the Karcher K4 Compact is that it is designed to be energy efficient. This means that it uses less power than some other electric pressure washers on the market, helping to reduce your energy bills while still delivering exceptional cleaning performance. Whether you are using your pressure washer for occasional cleaning tasks or on a more regular basis, the efficient motor in the K4 Compact will help you save money in the long run.

In summary, the Karcher K4 Compact is equipped with a high-performance air-cooled induction motor that delivers impressive cleaning power while remaining quiet, reliable, and energy efficient. Whether you are cleaning your car, your patio, or any other surface, this machine makes it easier than ever to achieve stunning results with minimal effort. So if you are looking for a versatile and reliable pressure washer for your home or garden, the Karcher K4 Compact is definitely worth considering.

The Karcher K4 Compact is a powerful pressure washer that can tackle various cleaning tasks around the home, from patios and decks to cars and bikes. It is a popular model among homeowners who want a reliable and compact unit that can deliver excellent results with minimal effort.

One of the questions that users often ask is whether the K4 Compact can be connected to a garden hose. The simple answer is yes, it can. The K4 Compact comes with a standard garden hose adapter that allows you to connect it to any garden hose with a compatible fitting. This means that you don't have to worry about filling up a separate water tank or using a specialized hose to get started.

Connecting the K4 Compact to a garden hose is straightforward. You need to ensure that the hose is fully inserted into the water inlet on the unit. Make sure that the hose is secure and tight to prevent any leaks during use. Once you have connected the hose, you can turn on the tap and start using the pressure washer.

Using a garden hose in combination with the K4 Compact has several benefits. First, it ensures a steady flow of water to the unit, which is essential for its proper functioning. Second, it can help you save time and effort since you don't have to fill up a separate tank or worry about running out of water during use. Third, it can help you save water since you can turn off the tap when you're not using the pressure washer.

To get the best results when using a garden hose with the K4 Compact, you need to ensure that the water pressure is appropriate. The unit requires a water pressure of at least 1 bar to function correctly. If the water pressure is too low, the unit won't be able to produce the required pressure for cleaning. If the water pressure is too high, it can damage the unit or its components.

In conclusion, the Karcher K4 Compact can be connected to a garden hose, making it a versatile and convenient option for homeowners. By using a garden hose, you can ensure a steady flow of water to the unit, save time and effort, and save water. However, it's important to ensure that the water pressure is appropriate for the unit to function correctly. With these considerations in mind, you can enjoy using the K4 Compact for all your cleaning needs.

The Karcher K4 Compact is a sturdy, powerful and versatile pressure washer that can handle a wide variety of cleaning tasks both indoors and outdoors. Whether you need to clean large outdoor areas, remove tough dirt, grime, and stains, or simply wash your car or bike, the K4 Compact is up to the job.

One of the main advantages of the K4 Compact is its high-pressure washing system, which delivers up to 130 bars of water pressure, making it ideal for blasting away stubborn dirt and grime from surfaces such as walls, patios, driveways, and garden furniture. With the powerful and precise Vario power spray lance, you can adjust the pressure and water flow to suit the specific cleaning task and achieve optimal results.

Thanks to its compact size and lightweight design, the Karcher K4 Compact is easy to manoeuvre and move around, making it perfect for use in smaller gardens or areas where space is limited. It also comes with a range of accessories, including a detergent suction hose, a trigger gun, and a high-pressure hose, allowing you to tackle a wide range of cleaning tasks with ease.

In addition to its outdoor cleaning capabilities, the Karcher K4 Compact can also be used indoors for a variety of tasks, such as cleaning tiles, floors, and carpets. Its powerful motor and high pressure make it ideal for removing even the toughest stains and dirt accumulated on the floors and carpets of your home. You can also use it for cleaning kitchen surfaces, bathrooms, and even windows, thanks to the included accessories and attachments.

If you own a car or bike, the Karcher K4 Compact can be your perfect cleaning companion. With a special car cleaning kit, you can use it to clean your car's body, wheels, and engine, removing all types of dirt, oil, and grime. You can also use it to clean your motorbike, removing dirt and grime from the wheels and frame, helping to maintain its appearance and prolong its lifespan.

In conclusion, the Karcher K4 Compact is a versatile, powerful, and reliable pressure washer that can handle a wide range of cleaning tasks both indoors and outdoors. From cleaning large outdoor areas and removing stubborn dirt and grime to washing your car or bike, the K4 Compact can handle it all with ease. Its compact design, range of accessories, and ease of use make it a great addition to any home and an essential tool for keeping your property clean and well-maintained.

The Karcher K4 Compact is a reliable pressure washer that is designed to take on tough cleaning tasks with ease. This pressure washer is a popular choice for homeowners who want a powerful, yet compact machine that can deliver impressive results. One of the key specs that make this machine stand out is its maximum pressure output.

So, what is the maximum pressure output of the Karcher K4 Compact? The answer is 130 bar. This is an impressive pressure output that can handle a wide range of cleaning tasks, from removing stubborn dirt and grime to washing away loose paint and debris. In addition, the machine also has a water flow rate of 420 litres per hour, making it one of the most powerful pressure washers in its class.

The pressure output of the Karcher K4 Compact is generated by a powerful motor that enables the machine to deliver high pressure and flow rate. The motor is an air-cooled induction motor that is designed to deliver maximum power and performance with minimal energy consumption. This technology ensures that the machine is more efficient than other pressure washers in its category, making it an environmentally friendly and cost-effective option for homeowners.

The Karcher K4 Compact also comes with a range of accessories that are designed to enhance its cleaning capabilities even further. These include a high-pressure lance, a dirt blaster spray lance, and a Vario Power spray lance. These accessories enable you to adjust the pressure output and water flow rate according to your cleaning needs, making the machine even more versatile and efficient.

In summary, the maximum pressure output of the Karcher K4 Compact is an impressive 130 bar. This pressure output, combined with a flow rate of 420 litres per hour, makes the machine a powerful tool for a wide range of cleaning tasks. The air-cooled induction motor ensures that the machine delivers maximum performance with minimal energy consumption, making it an environmentally friendly and cost-effective option for homeowners. With a range of accessories that enhance its cleaning capabilities, the Karcher K4 Compact is a versatile and efficient pressure washer that delivers impressive results every time.

The Karcher K4 Compact pressure washer is packed with features and performance to handle tough cleaning jobs with ease. But one common question among buyers is whether this machine comes with attachments or accessories to support their cleaning needs. The simple answer is yes, the Karcher K4 Compact does indeed come with a variety of useful attachments and accessories that can enhance its usability and versatility.

Let's dive into the different attachments and accessories that come with the Karcher K4 Compact pressure washer.

First and foremost, the K4 Compact comes with a Vario Power spray lance, which allows you to easily adjust the water pressure and intensity depending on the surface you're cleaning. This is a very useful accessory since different surfaces require different levels of pressure to be cleaned effectively. With the Vario Power spray lance, you can easily switch between low and high-pressure modes depending on the task at hand.

Next up is the Dirtblaster spray wand, which is specifically designed to handle heavy-duty cleaning tasks like removing stubborn dirt and grime from surfaces. This is an essential accessory if you're planning on cleaning surfaces like driveways or patios that have a lot of accumulated dirt and grime that can't be removed with just the regular spray lance.

The Karcher K4 Compact also comes with a 6m high-pressure hose, which enables you to reach further distances and maneuver around obstacles with ease. This hose is made of high-quality materials, making it durable and long-lasting.

Another useful accessory included with the Karcher K4 Compact is the water filter. This filter helps to prevent debris and contaminants from entering the pressure washer's pump, ensuring that your machine runs smoothly and efficiently.

Last but not least, the Karcher K4 Compact comes with a detergent suction hose, making it easy to apply soap or detergent to surfaces before cleaning. This accessory is very useful if you're planning on cleaning surfaces that require a bit of extra cleaning power to remove tough stains or grime.

In conclusion, the Karcher K4 Compact pressure washer comes with a range of attachments and accessories that make it a versatile and efficient cleaning tool for a variety of applications. From the adjustable pressure spray lance to the Dirtblaster wand and high-pressure hose, these accessories allow you to customize your cleaning experience and tackle tough cleaning tasks with ease. So if you're in the market for a reliable and efficient pressure washer, the Karcher K4 Compact is definitely worth considering.

The Karcher K4 Compact is a popular pressure washer that is known for its efficiency and reliability. It is designed to handle a range of cleaning tasks, from washing cars and patio furniture, to cleaning brick and concrete surfaces. One of the most important features of this pressure washer is its power cord - the length of which is a crucial factor for many users.

So, how long is the power cord on the Karcher K4 Compact? The answer is that it is 5 meters long. This means that users can easily move the pressure washer around without having to worry about the cord getting in the way. The length of the power cord is not only important for ease of use but also for safety reasons. A long cord ensures that users can keep the pressure washer at a safe distance from the power source, reducing the risk of accidents.

The length of the power cord makes the Karcher K4 Compact an ideal choice for those who need to work in areas that are far away from their power source. For example, if you need to clean the back of your garden or your driveway, the 5-meter power cord will give you enough room to maneuver the pressure washer without having to worry about the cord getting tangled or pulled out.

Another benefit of the power cord on the Karcher K4 Compact is that it is fitted with a cable reel. This means that when you are not using the pressure washer, you can wrap the cord easily and store it neatly, so it does not take up too much space. This feature is especially important for those who do not have a lot of storage space or keep the pressure washer in their garage.

In conclusion, the Karcher K4 Compact comes with a 5-meter power cord that is fitted with a cable reel, making it easy to store when not in use. The length of the cord makes it ideal for use in areas that are far away from the power source, giving users the freedom to move around without worrying about the cord getting in the way. The cord's length also ensures that users have the necessary distance between the power source and the pressure washer to ensure their safety when using the machine. Overall, the power cord in the Karcher K4 Compact is a crucial feature that adds to its convenience, ease of use, and safety.

The Karcher K4 Compact is a high-quality pressure washer that is made to last. One of the key benefits of investing in this product is that it comes with a comprehensive warranty. This ensures that you can use the pressure washer with confidence, knowing that any issues that arise will be covered.

The warranty for the Karcher K4 Compact is two years. This is a standard warranty for most pressure washers, and it covers defects in materials and workmanship. This means that if any parts or components fail due to a manufacturing defect or due to poor workmanship, they will be fixed or replaced free of charge.

It is important to note that this warranty only covers parts and components that fail due to a manufacturing defect or poor workmanship. It does not cover damage that occurs due to misuse or neglect. For example, if you drop the pressure washer and damage the motor, this would not be covered by the warranty.

One of the benefits of the Karcher brand is that they have a strong reputation for customer service. If you do experience any issues with your Karcher K4 Compact, you can contact the company directly for assistance. Their customer service team is friendly and knowledgeable, and they will work with you to resolve any issues that arise.

In addition to the standard warranty, Karcher also offers a range of optional accessories and replacement parts that can be used to enhance your pressure washer. For example, you can purchase extension hoses, soap dispensers, and a range of nozzles and brushes that are designed to help you get the most out of your pressure washer.

Overall, the Karcher K4 Compact is a reliable and high-quality pressure washer that is backed by a comprehensive warranty. This ensures that you can use the product with confidence, knowing that any issues that arise will be covered. If you are in the market for a pressure washer, the Karcher K4 Compact is a great choice.

The Karcher K4 Compact is a powerful pressure washer that is designed to tackle tough cleaning tasks with ease. While this machine may not be specifically designed for use on delicate surfaces, there are several features that make it suitable for cleaning cars or boats without causing damage.

Firstly, the K4 Compact comes with a range of different nozzles and accessories, allowing users to adjust the pressure and spray pattern to suit the task at hand. This means that you can use a low-pressure nozzle setting and a wide-angle spray pattern to clean and rinse your car or boat without the risk of damaging the paint or surface.

Additionally, the K4 Compact features a water-cooled motor, which helps to prevent overheating and makes it suitable for longer cleaning sessions. This is important when cleaning delicate surfaces, as it allows you to take your time and ensure that you are not applying too much pressure or heat to the surface.

Another feature that makes the K4 Compact suitable for use on delicate surfaces is its adjustable spray lance, which allows users to switch between high-pressure and low-pressure settings depending on the surface being cleaned. This means that you can use the machine at a lower pressure setting when cleaning cars or boats, which will help to prevent damage to the surface.

Overall, while the Karcher K4 Compact may not be specifically designed for use on delicate surfaces, it is still a versatile and powerful cleaning machine that can be used safely on cars and boats. With the right accessories and settings, this machine can provide effective and efficient cleaning without causing any damage to the surface. Just be sure to take your time and always use the appropriate nozzle and pressure setting for the task at hand to ensure great results.