KARCHER K4 vs NILFISK X-Tra Pressure Washer Comparison

Torn between buying a KARCHER K4 or NILFISK X-Tra pressure washer?

Karcher/Nilfisk manufacture quality pressure washers, with the K4 Power Control Flex and X-Tra Titan reflecting just that. We compared the Nilfisk X-Tra Titan and Karcher K4 Power Control Flex, analysing features, power, performance, and reviews.

How K4 Power Control Flex and X-Tra Titan Pressure Washers Work

Karcher K4 and Nilfisk X-Tra pressure washers use a 1800 W and 1400 W (Watt) electric motor to draw up water, which is pressurised to 130 and 120 bar, respectively. Water is forced through KARCHER Power Control Flex K4 and NILFISK Titan X-Tra jet nozzle lance, creating a powerful stream of water used to clean dirty surfaces.

The K4 and X-Tra can clean cars, vans, paving stones, decking, and all types of outdoor items. With 130 and 120 bars of pressure, the Karcher K4 and Nilfisk X-Tra are built to blast away stains, grime, moss, mud, and dirt from hard surfaces.

KARCHER K4 and NILFISK X-Tra Motor Wattage and Bar Pressure

Nilfisk X-Tra and Karcher K4 pressure washers power is measured by their wattage and pressure (bar/force). Typically, pressure washers range between 1200 – 3000W, with the Nilfisk X-Tra rated at 1400 W and Karcher K4 measuring 1800 W.

For bar pressure, the Karcher Power Control Flex K4 is rated maximum 130 and the Nilfisk X-Tra Power Control Flex has max 120, which is plenty for thorough cleaning.

• Does K4 KARCHER produce cordless pressure washers? – Yes – OC 3, 1.117-220.0, KHB 4-18, KHB 6
• Does X-Tra NILFISK produce cordless pressure washers? – No

Water Flow Rate

Water flow rate of the KARCHER K4 and NILFISK X-Tra pressure washer is measured in litres per minute or hours, (l/min – l/h), and informs how much water the machine goes through. KARCHER K4 and NILFISK X-Tra have flow rates of 7.00 l/min and 7.33 l/min, making them powerful at washing and rinsing.

• K4 flow rate: 7.00 l/min
• X-Tra flow rate: 7.33 l/min

Hose Length

The high-pressure hose length of X-Tra and K4 electric pressure washers affects reach. The KARCHER K4 comes with a 8m hose, and the NILFISK X-Tra measures 8m. Both K4 Power Control Flex and X-Tra Titan pressure washer are compatible with hose extensions if required.

K4 Power Control Flex and X-Tra Titan Accessories

KARCHER K4 Power Control Flex and NILFISK X-Tra Titan pressure washers come with adjustable lance nozzles (varying spray patterns) and are compatible with Karcher and Nilfisk accessories, including surface cleaners for patios, decking, and driveways, extension wands, brushes, detergent dispensers, snow foam, etc.

• Karcher K4 Supplied accessories: G 160 Q Power Control Gun, Dirt Blast Lance, Vario Power Lance
• Nilfisk X-Tra Supplied accessories: Patio Compact head, G2 C&C lance, foam spray bottle, various nozzles

Brand	Model	Power (W)	Pressure (bar)	Hose (m)	Prices
KARCHER	K4	1800 W	130	8	£249.00
NILFISK	X-Tra	1400 W	120	8	£140.00

Where to buy the K4? – Buy direct from KARCHER, or see best buy

Where to buy the X-Tra? – Buy direct from NILFISK, or see best buy