GREENWORKS G40 vs KARCHER K5 Pressure Washer Comparison

Torn between buying a GREENWORKS G40 or KARCHER K5 pressure washer?

Greenworks/Karcher manufacture quality pressure washers, with the G40 – and K5 Power Control Flex reflecting just that. We compared the Karcher K5 Power Control Flex and Greenworks G40 -, analysing features, power, performance, and reviews.

How G40 – and K5 Power Control Flex Pressure Washers Work

Greenworks G40 and Karcher K5 pressure washers use a 1900 W and 2100 W (Watt) electric motor to draw up water, which is pressurised to 135 and 145 bar, respectively. Water is forced through GREENWORKS – G40 and KARCHER Power Control Flex K5 jet nozzle lance, creating a powerful stream of water used to clean dirty surfaces.

The G40 and K5 can clean cars, vans, paving stones, decking, and all types of outdoor items. With 135 and 145 bars of pressure, the Greenworks G40 and Karcher K5 are built to blast away stains, grime, moss, mud, and dirt from hard surfaces.

GREENWORKS G40 and KARCHER K5 Motor Wattage and Bar Pressure

Karcher K5 and Greenworks G40 pressure washers power is measured by their wattage and pressure (bar/force). Typically, pressure washers range between 1200 – 3000W, with the Karcher K5 rated at 2100 W and Greenworks G40 measuring 1900 W.

For bar pressure, the Greenworks – G40 is rated maximum 135 and the Karcher K5 – has max 145, which is plenty for thorough cleaning.

• Does G40 GREENWORKS produce cordless pressure washers? – Yes – GDC40 G-MAX 40V, G24PW, G24PWK4
• Does K5 KARCHER produce cordless pressure washers? – Yes – OC 3, KHB 4-18, KHB 6, 1.117-220.0

Water Flow Rate

Water flow rate of the GREENWORKS G40 and KARCHER K5 pressure washer is measured in litres per minute or hours, (l/min – l/h), and informs how much water the machine goes through. GREENWORKS G40 and KARCHER K5 have flow rates of 7.00 l/min and 8.33 l/min, making them powerful at washing and rinsing.

• G40 flow rate: 7.00 l/min
• K5 flow rate: 8.33 l/min

Hose Length

The high-pressure hose length of K5 and G40 electric pressure washers affects reach. The GREENWORKS G40 comes with a 6m hose, and the KARCHER K5 measures 10m. Both G40 – and K5 Power Control Flex pressure washer are compatible with hose extensions if required.

G40 – and K5 Power Control Flex Accessories

GREENWORKS G40 – and KARCHER K5 Power Control Flex pressure washers come with adjustable lance nozzles (varying spray patterns) and are compatible with Greenworks and Karcher accessories, including surface cleaners for patios, decking, and driveways, extension wands, brushes, detergent dispensers, snow foam, etc.

• Greenworks G40 Supplied accessories: Retractable Handle, Wheels, Variable Fan jet nozzle, Patio cleaner, Rotary Nozzle, foam sprayer, brush
• Karcher K5 Supplied accessories: High-pressure gun, Dirt Blaster spray lance, Plug and Clean Detergent system, garden hose adapter

Brand	Model	Power (W)	Pressure (bar)	Hose (m)	Prices
GREENWORKS	G40	1900 W	135	6	£209.00
KARCHER	K5	2100 W	145	10	£359.00

Where to buy the G40? – Buy direct from GREENWORKS, or see best buy

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