KARCHER K5 vs KARCHER K3 Pressure Washer Comparison

Torn between buying a KARCHER K5 or KARCHER K3 pressure washer?

Karcher/Karcher manufacture quality pressure washers, with the K5 Power Control Flex and K3 Power Control reflecting just that. We compared the Karcher K3 Power Control and Karcher K5 Power Control Flex, analysing features, power, performance, and reviews.

How K5 Power Control Flex and K3 Power Control Pressure Washers Work

Karcher K5 and Karcher K3 pressure washers use a 2100 W and 1600 W (Watt) electric motor to draw up water, which is pressurised to 145 and 120 bar, respectively. Water is forced through KARCHER Power Control Flex K5 and KARCHER Power Control K3 jet nozzle lance, creating a powerful stream of water used to clean dirty surfaces.

The K5 and K3 can clean cars, vans, paving stones, decking, and all types of outdoor items. With 145 and 120 bars of pressure, the Karcher K5 and Karcher K3 are built to blast away stains, grime, moss, mud, and dirt from hard surfaces.

KARCHER K5 and KARCHER K3 Motor Wattage and Bar Pressure

Karcher K3 and Karcher K5 pressure washers power is measured by their wattage and pressure (bar/force). Typically, pressure washers range between 1200 – 3000W, with the Karcher K3 rated at 1600 W and Karcher K5 measuring 2100 W.

For bar pressure, the Karcher Power Control Flex K5 is rated maximum 145 and the Karcher K3 Power Control Flex has max 120, which is plenty for thorough cleaning.

• Does K5 KARCHER produce cordless pressure washers? – Yes – OC 3, KHB 4-18, KHB 6, 1.117-220.0
• Does K3 KARCHER produce cordless pressure washers? – Yes – 1.117-220.0, KHB 6, OC 3, KHB 4-18

Water Flow Rate

Water flow rate of the KARCHER K5 and KARCHER K3 pressure washer is measured in litres per minute or hours, (l/min – l/h), and informs how much water the machine goes through. KARCHER K5 and KARCHER K3 have flow rates of 8.33 l/min and 6.33 l/min, making them powerful at washing and rinsing.

• K5 flow rate: 8.33 l/min
• K3 flow rate: 6.33 l/min

Hose Length

The high-pressure hose length of K3 and K5 electric pressure washers affects reach. The KARCHER K5 comes with a 10m hose, and the KARCHER K3 measures 7m. Both K5 Power Control Flex and K3 Power Control pressure washer are compatible with hose extensions if required.

K5 Power Control Flex and K3 Power Control Accessories

KARCHER K5 Power Control Flex and KARCHER K3 Power Control pressure washers come with adjustable lance nozzles (varying spray patterns) and are compatible with Karcher and Karcher accessories, including surface cleaners for patios, decking, and driveways, extension wands, brushes, detergent dispensers, snow foam, etc.

• Karcher K5 Supplied accessories: High-pressure gun, Dirt Blaster spray lance, Plug and Clean Detergent system, garden hose adapter
• Karcher K3 Supplied accessories: Power spray lance, dirt blaster, high pressure handling hose, garden hose adapter

Brand	Model	Power (W)	Pressure (bar)	Hose (m)	Prices
KARCHER	K5	2100 W	145	10	£359.00
KARCHER	K3	1600 W	120	7	£139.00

Where to buy the K5? – Buy direct from KARCHER, or see best buy

Where to buy the K3? – Buy direct from KARCHER, or see best buy