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Kärcher K4 Power Control vs K2 Compact - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Kärcher K2 Compact and the Kärcher K4 Power Control.

But before checking out explanations regarding their power, design, and features here's a table that summarizes the main pros of each of these 2 pressure washers:

Kärcher K2 CompactKärcher K4 Power Control
Kärcher K2 CompactKärcher K4 Power Control
  • Lighter
  • Soap addition feature
  • Far less expensive
  • Induction motor
  • Higher PSI
  • Higher GPM
  • With wheels
  • Telescopic handle
  • Power Control gun
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As the K2 Compact and the K4 Power Control are both Kärcher pressure washers, they benefit from the same overall level of quality and attention to detail.

Power Comparison

  • Fuel: Both units are corded electric pressure washers, offering the convenience of continuous power without the need for refueling or recharging, ideal for longer cleaning sessions.
  • Engine & Pump: The Kärcher K2 Compact and the Kärcher K4 Power Control both feature axial-type pumps, known for their lightweight construction and simplicity. The pump of the latter is crafted by N-COR. In either case, the pump is powered by a 13-amp motor. However, the Kärcher K4 Power Control has the advantage of featuring an induction motor, known for its energy efficiency, quiet operation, and durability, compared to the universal motor of the Kärcher K2 Compact.

The following charts are provided to show you at a glance how the main specs of the Karcher K2 Compact compare to the Karcher K4 Power Control.

  • Pressure: With a maximum reachable pressure of 1900 PSI, the Kärcher K4 Power Control delivers a much higher force to blast off dirt and grime compared to the 1600 PSI of the Kärcher K2 Compact.
  • Water Flow: At low pressure, the K4 Power Control can produce a much higher volume of water than that of the K2 Compact. With a capacity of up to 1.5 GPM (gallons per minute) compared to the K2 Compact's maximum flow of 1.25 GPM, it should enable you to rinse away dirt and debris with significantly greater effectiveness.
  • Cleaning Power: Since the difference in Cleaning Units between the Kärcher K2 Compact and the K4 Power Control (2000 and 1965 CU, respectively) is negligible, it's safe to say that both devices offer the same level of overall cleaning efficiency.

Design Comparison

  • Design: With their compact design, both units are constructed with a strong focus on portability in mind.Crafted with a focus on portability, both units feature a compact design, making them convenient choices for mobile cleaning tasks.
  • Design: With their compact design, both units are constructed with a strong focus on portability in mind.Crafted with a focus on portability, both units feature a compact design, making them convenient choices for mobile cleaning tasks.
  • Weight: Weighing 14.5 lbs, the K2 Compact is far lighter than the 28.7 lbs of the K4 Power Control, providing users with enhanced portability, easier transportation, and greater convenience.
  • Maneuverability: Thanks to its set of wheels, the K4 Power Control is easier to maneuver on the ground compared to the K2 Compact, which lacks wheels. The K4 Power Control has the advantage of having a telescopic handle, which allows it to take up less space when not in use.

Feature Comparison

  • Soap Addition: The K2 Compact stands out as the only unit among these options to offer an out-of-the-box feature for easily adding detergent solution to the water, providing users with enhanced cleaning capabilities without the need for additional accessories or modifications.
  • Trigger Gun & Wand: The 2 units do not come with the same type of trigger gun. The Kärcher K2 Compact uses a fairly standard ergonomic gun, while the Kärcher K4 Power Control comes with a Power Control gun. However, they both have a similar, type of wand.
  • Nozzles: Neither of these 2 pressure washers come with nozzles. This is due to the fact that their aforementioned wands remove the need for any.
  • Storage: Sadly, neither the K2 Compact nor the K4 Power Control features an onboard storage space for the accessories we may need when cleaning. Similarly, neither of them offer a convenient solution to store their pressure hose.
  • Accessories: In addition to the usual set of included accessories, the Kärcher K4 Power Control also comes with dirt blaster and garden hose adapter.

TL;DR

Kärcher K2 CompactKärcher K4 Power Control
Kärcher K2 CompactKärcher K4 Power Control
  • Lighter
  • Soap addition feature
  • Far less expensive
  • Induction motor
  • Higher PSI
  • Higher GPM
  • With wheels
  • Telescopic handle
  • Power Control gun
Show all offers
Show all offers
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