Kärcher K2 Review UK (2026)

Buy a Kärcher K2 if the job is one small car and garden furniture, and you will not also take on a mossy drive. This page answers whether you should take this K2 home, which carton to pick, and when to walk away. The class step up is K2 vs K4. The rest of the yellow range sits on the Kärcher hub.

It is not a lab test. Specs come from Kärcher. Street prices come from Screwfix, Argos and Kärcher UK in August 2026.

If you click through and buy, we may earn a commission.

A K2 is light and occasional. Same 110 bar class, different hose and extras. Home or Power Control is the carton if you will wash one small car. Classic and Horizontal are furniture and a bike. It is not a drive machine. The household step-up is the K4.

Paint-safe settings sit on the cars page. A bike plus chairs, if the tap is already there, sits on the bikes page. The price-cap shortlist next to a Bosch is the budget page. First-use setup and frost drain-down are on how to use a pressure washer.

Quick picks

Specs

	K2 Home / Power Control	K2 Classic	K2 Horizontal
Typical UK SKU	Screwfix Home. Official Power Control Home 1.673-604.0. Argos Car & Home	Screwfix Classic	1.600-935.0
Max pressure	20 to 110 bar	110 bar	110 bar
Flow	360 L/h	360 L/h	360 L/h
Area (Kärcher figure)	20 m²/h	Same class	Same class
Hose	4 m on the Screwfix Home box, 5 m on many Power Control kits	3 m	3 m
Motor	1.4 kW, air-cooled	Same class	Same class
Weight	about 4 kg	about 4 kg	about 4 kg
Home extras	T 1 plus 0.5 L patio and deck detergent on the Screwfix Home box	Single spray lance and dirt blaster	Compact low carton
Honest job	One small car, light furniture	Bikes, tools, a chair	Bikes, tools, a chair
Typical UK price, Aug 2026	Screwfix Home £108.99. Argos Car & Home about £100. Very Power Control Home £129.99 on snippets	£84.99 Screwfix	About £80 to £90. Official tiles have shown £89.99

Prices checked August 2026. Home and Car & Home boxes cost more than a bare K2. Confirm what is in the carton. The number is the pump class, not the kit name.

Who it is for

This is the light Kärcher in the 110 bar class. Buy a K2 if most of the list below is true.

• You have an outdoor tap and a 13A socket.
• The jobs are one small or medium car, bikes, tools and garden furniture.
• You will not also take on a mossy drive or a green terrace.
• You will accept a 3 to 5 m hose and an air-cooled motor.
• You want a first yellow machine, not one machine for the house.
• You do not already own a working K2. If you do, buy a foam jet or a brush, not another pump.

That is a minority of UK houses shopping a yellow washer in good faith. Most still want the K4. The Kärcher hub already treats this class as the budget first machine, not the home default.

Skip it if

• The jobs are cars and a normal patio. That is a K4. 110 bar and a T 1 will not pretend to be a household machine. Read the K4 review and K2 vs K4. Saving ninety pounds today and replacing it next spring is the expensive route.
• You want one cheap machine that still washes a car and some slabs. That is the Bosch UniversalAquatak 135 on the budget page, £128 at Wickes. Pointer only. About twenty pounds above Screwfix’s K2 Home, and a pump in the useful home class. Do not make it a K2 pick.
• There is no outdoor socket, or no tap. A shorter hose will not invent a 13A point. That is a cordless job, not a cheaper K2 sitting in the kitchen.
• You have two cars, or you wash a family hatchback every weekend. The 4 to 5 m hose turns that into a dance. Eight metres on a K4 is the reason people step up, not the extra 20 bar on a bonnet.
• The patio is why you are shopping. A T 1 in a Home box is a tiny-yard head. A separate T 5 on this pump still feels thin on a green terrace. Buy a K4 Home, not a head on a weak machine.
• You already own this pump. Add a foam jet or a wash brush. Another K2 is a duplicate.

Kärcher K2 Home / Power Control

The K2 to take home if you will wash one small car

• Buy: Screwfix Home £108.99 · Argos Car & Home about £100 · Kärcher UK Power Control Home
• Part number (official Power Control Home): 1.673-604.0
• Pressure / flow: 20 to 110 bar, 360 L/h
• Hose: 4 m on the Screwfix Home box, 5 m on many Power Control kits
• Motor: 1.4 kW, air-cooled
• Weight: about 4 kg
• In the Screwfix Home box: T 1, 0.5 L patio and deck detergent
• Who it is for: one small or medium car, light furniture, a buyer who will not also take on a mossy drive

110 bar is enough to wash a car if you foam first and stay on the Vario’s wide setting. It is not enough to pretend this is a patio machine. Kärcher’s own area figure is 20 m²/h. Treat that as a catalogue number, not a promise that a filthy terrace will be done in an hour.

Power Control, Home and Car & Home are kit names on the same 110 bar class. Power Control is a nicer gun than Classic, not a different pump. Home means a small patio head is in the carton. Car & Home adds foam, a brush or shampoo on top. Shop the part number and the contents list, not the word K2 on a tile.

Argos has had Car & Home around £100, down from £170. That is a good K2 price. It is not a reason to take a 4 m hose onto a family drive. Very has listed Power Control Home at £129.99 on search snippets. A Home box at £130 is still a light machine. Shop the live total.

Hose and daily use

Four metres on the Screwfix Home box, five metres on many Power Control kits. You will drag the trolley around a hatchback. You will park, move, park again. That daily irritation is the honest reason people step to a K4, not the extra 20 bar on a wing.

Eight metres of Flex on a K4 walks a family car if you park at a corner. Three metres on Classic or Horizontal is a bike and a bench. This Home hose sits in the middle of a small class. Accept it, or do not buy the class.

Gun, Vario and the T 1

The Vario is the car-safe tool. Wide fan, a metre back, for paint. Closer and more open for wheels and arches. The dirt blaster is for paving and stubborn stone, not lacquer. Leave it on the hook when the car is out. People leave it clicked on by mistake. That is how badges lift and clearcoat marks.

The Screwfix Home box includes a T 1, not a T 5. Fine for a balcony or a tiny yard. Thin on a green terrace. Shops still sell that box as a patio kit. It is a small-yard kit. Do not then add a T 5 and hope 110 bar and 360 L/h will strip a winter of algae. They will spin the head. They will not match a K4’s 130 bar and 420 L/h. Full head notes sit on the Kärcher patio cleaner page.

Plug ‘n’ Clean sits in the body on some Power Control kits if you want shampoo through the lance. Fine for a quick wash. It is not a snow-foam layer. A dedicated foam jet is about £30 to £33 and is the better car accessory. How to layer foam, mitt and rinse sits on the cars page.

Motor, weight and care

The 1.4 kW motor is air-cooled. That is the real step down from the K4 class: louder, less happy in a long session, more of a first machine. The box is about 4 kg. You can carry it up a flight of stairs and park it on a shelf. That is the comfort you pay for, and the reason this pump is not a drive tool.

Rinse the inlet filter. Drain the pump before frost. Register the machine if you want the extra Kärcher years on top of the standard two. Terms apply. First-use setup, the garden-hose adaptor, and winter drain-down are on how to use a pressure washer.

Skip this carton if you have two cars, a long hose run, or you want a gun that shows the pressure step on an 8 m Flex hose. Skip it if the patio is the main job. A T 1 will not strip a green terrace.

Kärcher K2 Classic

Under £90 is a toy for furniture and a bike, not a drive

• Buy: Screwfix Classic £84.99
• Pressure / flow: 110 bar, 360 L/h
• Hose: 3 m
• In the box: single spray lance, dirt blaster, 3 m hose
• Who it is for: bikes, tools, a chair, a buyer who will store it on a shelf

The Classic is the small upright. Same 110 bar class as Home and Power Control. The hose is the tell: three metres. That is a bike and a bench, not a car you walk around. The gun is simpler than Power Control. You do not get a T 1. You do not get five metres of hose.

Do not buy this to “save” your way into a driveway tool. If the job has grown past furniture, the Bosch at £128 is the budget spend that still behaves like a household washer. If you only wanted yellow on the shelf and you will rinse a small car, the Home carton above is the cheaper named Kärcher that will still do that. This one will annoy you on a hatchback on day one.

Skip it if you will wash a car every weekend. The hose will annoy you on day one. Skip it if you already know you want the T 1 or the nicer gun. That is Home or Power Control, not a cheaper Classic.

Kärcher K2 Horizontal

Still sold. Still a light machine.

• Buy: Kärcher UK Horizontal about £80 to £90. Official range tiles have shown £89.99
• Part number: 1.600-935.0
• Pressure / flow: 110 bar, 360 L/h
• Hose: 3 m
• Who it is for: bikes, tools, a chair, a buyer who will store the low box on a shelf

The Horizontal is the compact, low carton. Same 110 bar class as Classic. Same three-metre hose. The difference is the shape: it lies flat, so it slides under a bench or onto a high shelf. It is not a quieter pump, a longer hose or a patio machine.

Refurbished Horizontal stock appears at the official outlet from time to time. Do not hunt a refurb to “save” your way into a patio machine. If the job has grown past furniture, the K4 is the buy. If you only wanted the cheapest yellow box still listed, this is it, next to Classic.

Skip it if you will wash a car. Three metres is not a car hose. Skip it if Classic is in stock at £84.99 and you would rather have the upright. Same class, easier to find on a UK high street.

Which carton

1. One small car, light furniture, tight budget, no slabs. Home or Power Control. Accept the 4 to 5 m hose. Screwfix Home at £108.99 is the clean named street. Argos Car & Home around £100 is a good kit price if the extras are things you will use.
2. Furniture and a bike only. Classic at £84.99, or Horizontal at about £80 to £90. Three metres. Shelf storage. Do not then walk it around a hatchback and complain.
3. Car extras look cheap in a bundle. Car & Home adds foam, a brush or shampoo. Useful if the extras are genuinely cheap in the live total. Easy to overpay when the banner just says Home. Pointer only on Argos.
4. Cars and a normal patio. Leave this page. Buy a K4 Power Control Flex. Add Home if you do not own a T 5. That is the household step-up, from £200.
5. Car and some slabs, and you will not spend £200. The Bosch at £128 on the budget page, not a K2 Home plus a later T 5.
6. No socket or no tap. Cordless. Not a bigger K2.

Shop the carton, not the word K2. Power Control is a nicer gun than Classic. Home means a T 1, not a T 5. Horizontal is the low box. Flex is a K4 or K5 hose word. It does not appear on these K2 cartons.

Cars, bikes and the T 1

A K2 will wash a car. Stay on the wide Vario, keep your distance, foam first. Kärcher’s own advice is a flat jet, at least 15 cm from paint and 30 cm from tyres. Further is safer. It will not match a K4 for a weekly family wash. The short hose is why. The cars guide is written around the K4 for a reason.

A K2 will wash a bike if you open the Vario and stand back. Fan on the frame. Keep the jet out of hubs and any e-bike electrics. The dirt blaster stays on the hook. A bike plus the garden chairs, if the tap is already there, is the honest K2 job. A handheld cordless gun is the default if the bike is the only job. That shortlist is the bikes page.

A K2 will spin a T 5 if you buy one separately, from about £55. It will feel thin on a green terrace. K2 Home does not include a T 5. It includes a T 1. The T 7 Plus is K4 to K7 only. A K2 cannot run it. If you already own a K2 and the slabs have gone green, the honest upgrade is a K4, not a £55 head on a weak pump.

FAQ

Is the Kärcher K2 good enough?

For one small car and light furniture, yes, if you foam first and accept the short hose. For a patio or a neglected drive, no. Putting a T 5 on a K2 does not turn it into a K4. That argument is K2 vs K4.

Should I buy Home, Classic or Horizontal?

Home or Power Control if you will rinse a small car. Classic or Horizontal if the job is furniture and a bike. Home at £108.99 is the default K2 carton. Classic at £84.99 is the upright under £90. Horizontal at about £80 to £90 is the low box. Same 110 bar. The hose decides.

Can a K2 clean a driveway?

Slowly, and only if the dirt is light. A green, neglected drive is a K4 or K5 job. Do not buy Classic or Horizontal for a drive. Do not buy Home and hope the T 1 will do a green terrace.

Can I wash a car with a K2?

Yes. Wide Vario, distance, dirt blaster off the paint. Foam first if you have a jet. One small or medium car is the honest job. Two cars, or a weekly family wash, is how you know you wanted a K4. Paint notes sit on the cars page.

Should I buy the Bosch instead of a K2?

Yes, if you will do stone as well as paint, or you hate a 4 m hose. The Wickes street price is only about £20 above the Screwfix K2 Home. You give up the yellow accessories. You gain a pump in the same useful class as a K4. Buy the K2 only if you are sure the slabs are not the job. That comparison stays on the budget page.

Is the K4 worth twice a K2?

If you will do cars and stone, yes. The K4 is not twice the bar. It is a longer hose, a water-cooled motor and a patio head that actually matches a UK terrace. If you will only rinse a Fiesta four times a year, no. From £200, the Flex is the household step-up. That review is the K4 review.

Will K4 accessories fit a K2?

Most Home & Garden bayonet lances and the T 5 will clip onto a current K2 gun. The T 7 Plus will not. Very old guns can need adaptor 2.643-950.0. A T 5 on this pump is still a light patio tool. Fit is not the same as enough water.

Do I need to register it?

The standard warranty is two years. Register the machine if you want the extra Kärcher years. Terms apply. The air-cooled motor lasts if you rinse the filter and drain the pump before frost. It will not become a water-cooled K4 by registration.

More reading

The yellow range in full is the Kärcher hub. The class step is K2 vs K4. The household machine is the K4 review. The price-cap shortlist is the budget page. Cars, bikes and first use are linked above.