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KÄRCHER vs Sun Joe: Pressure Washers Compared by Specs

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When comparing a karcher vs sun joe pressure washer, you are looking at two electric models with identical water flow rates. Both machines deliver 1.2 gallons per minute for consistent cleaning power. The main difference lies in their maximum pressure output and physical design. The Kärcher K1700 offers higher PSI and includes a detergent tank, while the Sun Joe SPX1000 is significantly lighter and features a longer hose. This guide breaks down the specs to help you decide.

Key differences

AspectKärcher K1700 Electric Pressure WasherSun Joe Lightweight Electric Pressure Washer
Maximum Pressure1700 PSI1600 PSI
Weight20.7 pounds11.7 pounds
Hose Lengthnot listed20-ft
Nozzle Count3not listed
Detergent Tank0.5 gal includednot listed

Which one should you choose?

Choose Kärcher K1700 Electric Pressure Washer if

  • You need higher pressure for tougher grime on driveways or decks
  • You want a dedicated tank for applying soap directly
  • You prefer a unit with three included spray nozzles

Choose Sun Joe Lightweight Electric Pressure Washer if

  • You want a lightweight machine that is easy to carry
  • You need a longer 20-foot hose for reach
  • You prefer a compact design for small storage spaces

Verdict: Choose the Kärcher K1700 if you need slightly more pressure and built-in soap application for heavier cleaning tasks. Pick the Sun Joe SPX1000 if portability and a longer hose are your top priorities for light to medium duty jobs.

Kärcher K1700 vs Sun Joe SPX1000 Specs

maximum pressure

Edge: Kärcher K1700 Electric Pressure Washer

The Kärcher K1700 delivers 1700 PSI of maximum pressure. This is slightly higher than the Sun Joe SPX1000, which provides 1600 PSI. Both units are CETA certified or marketed for robust cleaning performance. The 100 PSI difference is minor in practice. You will notice little variation in cleaning speed for light to medium tasks. Both are electric models designed for home use. The Kärcher holds a slight technical advantage in raw pressure output. This may help with tougher grime on driveways or decks. The Sun Joe remains fully capable for standard home cleaning jobs.

flow rate

Edge: Tie

Both pressure washers operate at an identical 1.2 gallons per minute flow rate. This specification is critical because it determines how much water contacts the surface during cleaning. A higher flow rate generally rinses away dirt faster than pressure alone. Since both the Kärcher K1700 and the Sun Joe SPX1000 share this exact figure, neither has an advantage here. You will get the same rinsing efficiency from both machines. This tie means you should focus on other features like weight or included accessories to decide which unit fits your needs better.

weight and portability

Edge: Sun Joe Lightweight Electric Pressure Washer

Weight is a major factor for maneuverability. The Sun Joe SPX1000 weighs 11.7 pounds. This makes it significantly lighter and easier to carry up stairs or store in tight spaces. The Kärcher K1700 weighs 20.7 pounds. It is nearly double the weight of the Sun Joe model. The Kärcher includes never-flat wheels to aid movement, but you still must push a heavier unit. For users who prioritize lightweight design and easy handling, the Sun Joe offers a clear advantage in portability and storage convenience.

nozzle count

Edge: Tie

The Kärcher K1700 comes equipped with three spray nozzles. These include 15-degree, turbo, and 65-degree options for varied cleaning precision. The Sun Joe SPX1000 features an adjustable spray wand with a twist nozzle. This allows you to switch between a zero-degree jet and a 45-degree fan spray. While the Kärcher provides distinct physical nozzles, the Sun Joe offers continuous adjustability. Both systems allow you to target different surface types effectively. Neither system is objectively superior, as both cover the essential spray angles needed for home maintenance tasks.

included accessories

Edge: Kärcher K1700 Electric Pressure Washer

The Kärcher K1700 includes a 0.5-gallon detergent tank and an on/off foot switch. The foot switch allows for back-friendly operation without holding the trigger. The Sun Joe SPX1000 includes a 20-foot high-pressure hose, a 33-inch extension wand, and a 35-foot GFCI power cord. The Sun Joe does not list an integrated soap tank in its data. The Kärcher offers specialized features for soap application and ergonomic use. The Sun Joe provides longer reach with its wand and hose. Both kits are ready for immediate use out of the box.

Which Pressure Washer Fits Your Needs

You need easy storage and portability

Our pick: Sun Joe Lightweight Electric Pressure Washer

The Sun Joe SPX1000 weighs just 11.7 pounds and measures 19 inches in height. Its compact frame fits easily in small garages or sheds. You can move it effortlessly without straining your back. This lightweight design makes it ideal for quick tasks around the yard where space is tight.

You want foot control for back health

Our pick: Kärcher K1700 Electric Pressure Washer

The Kärcher K1700 features an on/off foot switch. This lets you operate the washer without holding the trigger, reducing hand fatigue. It also includes never-flat wheels for smooth transport. The included detergent tank simplifies soap application. These ergonomic features support longer cleaning sessions with less physical strain.

You prefer higher pressure output

Our pick: Kärcher K1700 Electric Pressure Washer

The Kärcher K1700 delivers 1700 PSI, which is 100 PSI higher than the Sun Joe SPX1000. Both machines share a 1.2 GPM flow rate. The extra pressure helps tackle tougher grime on driveways or decks. This slight increase in power provides better cleaning performance for stubborn dirt and stains.

You need a longer power cord

Our pick: Sun Joe Lightweight Electric Pressure Washer

The Sun Joe SPX1000 includes a 35-foot GFCI power cord. This length offers greater reach from your outlet without needing an extension. The Kärcher model does not list cord length in its specifications. If you want to avoid extra cords, the Sun Joe provides more built-in reach.

The products compared

Kärcher K1700 Electric Pressure Washer

Best for: Light duty cleaning tasks

Maximum Pressure
1700 PSI
Flow Rate
1.2 GPM
Nozzle Count
3
Intended Use
Cars, Patios, Driveways, Siding
Features
Soap Tank
Color
Yellow

View on Amazon: Kärcher K1700 Electric Pressure Washer Affiliate link

The Kärcher K1700 delivers 1700 PSI of pressure and 1.2 GPM of flow rate for effective cleaning. It includes three spray nozzles and a 0.5-gallon detergent tank. The unit weighs 20.7 pounds and features never-flat wheels for easy transport. An on/off foot switch allows for back-friendly operation. This model suits users cleaning cars, driveways, and siding.

Pros

  • 1700 PSI maximum pressure
  • 1.2 GPM flow rate
  • Includes three spray nozzles
  • Built-in 0.5-gallon detergent tank
  • On/off foot switch for ergonomics

Cons

  • 1700 PSI is lower than many competitors
  • 0.5-gallon detergent tank holds less soap
  • 1.2 GPM flow rate matches entry-level specs

Good fit if

  • You need a lightweight unit for car washing
  • You prefer foot-switch operation for comfort
  • You want CETA certified performance

Skip if

  • You require high-pressure cleaning for heavy grime
  • You need a large detergent tank capacity
  • You want a motor with more than 1700 PSI

Verdict: The Kärcher K1700 Pressure Washer offers reliable CETA certified performance with 1700 PSI and 1.2 GPM. It fits homeowners who prioritize ergonomic foot switches and easy maneuverability for light to medium duty tasks.

Sun Joe Lightweight Electric Pressure Washer

Best for: light duty home cleaning tasks

Maximum Pressure
1600 PSI
Flow Rate
1.2 GPM
Power Source
Corded electric
Color
Black
Dimensions
12 × 9.8 × 19 inches
Weight
11.7 pounds

View on Amazon: Sun Joe Lightweight Electric Pressure Washer Affiliate link

The Sun Joe SPX1000 is a compact electric pressure washer designed for light to medium duty tasks. It delivers 1600 PSI of maximum pressure and a flow rate of 1.2 GPM. The unit weighs 11.7 pounds and includes a 20-foot high-pressure hose. An adjustable spray wand allows you to switch between a zero-degree jet and a 45-degree fan spray. This model suits users needing a portable, lightweight tool for patios, driveways, and outdoor furniture.

Pros

  • 1600 PSI maximum pressure for tackling grime
  • 1.2 GPM flow rate for steady cleaning
  • Lightweight design at 11.7 pounds
  • Includes 20-foot high-pressure hose

Cons

  • Lower 1600 PSI output compared to higher-end models
  • Shorter 20-foot hose limits reach
  • Smaller 1.2 GPM flow rate reduces cleaning speed

Good fit if

  • You need a lightweight unit for easy storage
  • You are cleaning small outdoor areas like patios
  • You prefer electric power for quiet operation

Skip if

  • You require high pressure for heavy-duty jobs
  • You need a longer hose for large properties
  • You want a faster flow rate for quick rinsing

Verdict: Sun Joe SPX1000 13-Amp Electric Pressure Washer is a compact, lightweight option for homeowners with light cleaning needs. It fits users who prioritize portability and easy storage over raw power and extended reach.

Specifications side by side

Spec Kärcher K1700 Electric Pressure Washer Sun Joe Lightweight Electric Pressure Washer
Maximum Pressure 1700 PSI 1600 PSI
Flow Rate 1.2 GPM 1.2 GPM
Power Source not stated Corded electric
Nozzle Count 3 not stated
Intended Use Cars, Patios, Driveways, Siding not stated
Features Soap Tank not stated
Color Yellow Black
Dimensions 17.3 × 16.5 × 33 inches 12 × 9.8 × 19 inches
Weight 20.7 pounds 11.7 pounds
Size K1700 No Size
Model 1.106-109.0 SPX1000

Frequently asked questions

Which pressure washer is lighter to carry around?

The Sun Joe SPX1000 is the lighter option for you. It weighs only 11.7 pounds, making it easy to lift and move. In contrast, the Kärcher K1700 weighs 20.7 pounds. If you plan to carry the unit up stairs or store it frequently, the Sun Joe’s lower weight reduces strain.

Which model is more compact for storage?

The Sun Joe SPX1000 takes up less space in your garage. It measures 12 inches in length and 9.8 inches in width. The Kärcher K1700 is larger at 17.3 inches long and 16.5 inches wide. Choose the Sun Joe if you have limited storage room or need a smaller footprint.

Does the Kärcher K1700 include nozzles?

Yes, the Kärcher K1700 comes with three nozzles. This allows you to adjust spray patterns for different cleaning tasks. The provided data for the Sun Joe SPX1000 does not specify a nozzle count. If you need multiple spray options included in the box, the Kärcher model provides them.

Is there a soap tank on these machines?

The Kärcher K1700 features a dedicated soap tank. This lets you apply detergent directly during your cleaning routine. The listed attributes for the Sun Joe SPX1000 do not mention a soap tank. If applying soap is a priority for your washing tasks, the Kärcher unit offers this specific feature.

What is the water flow rate for both?

Both pressure washers deliver 1.2 gallons per minute. This flow rate ensures consistent water coverage for light duty tasks. Since the flow is identical, neither unit has an advantage in water volume. You should focus on other factors like weight or size when deciding between these two electric models.

Which one is better for cleaning cars?

The Kärcher K1700 is suitable for cleaning cars. Its intended use list includes vehicles alongside patios and driveways. Both machines provide adequate pressure for light duty home cleaning. However, the Kärcher’s specific listing for car care makes it a clear choice if you plan to wash your vehicle regularly.

Do these models have foot switches?

The Kärcher K1700 includes an ergonomic foot switch for operation. This allows hands-free control while you clean. The provided specifications for the Sun Joe SPX1000 do not mention a foot switch. If you prefer controlling the spray with your foot, the Kärcher model is the only one with this feature listed.

See also