Verdict
Head-to-head · Best Pressure Washers Under $300

Karcher K1700 vs Sun Joe SPX3000

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Sun Joe SPX3000 comes out ahead by a narrow margin (4.3 vs 4.2). Sun Joe SPX3000 is best for: Budget-minded homeowners who want a versatile electric washer for cars, patios, decks and siding without spending much. Read the strengths below before deciding.

Karcher K1700
Ranked #3 in Best Pressure Washers Under $300
Karcher K1700
2 sourcesall derived$181.96as of Sep 25

The Karcher K1700 is the compact, car-friendly pick: a CETA-certified cube washer measured at 1700 PSI and 1.1 GPM, and the easiest unit here to carry and store. Its gentle, controllable pressure has made it a favorite for washing cars and motorcycles without risking paint or trim, and touches like a foot switch and removable soap tank add polish. It's light-duty by design, not a heavy-grime machine.

Strengths
  • — CETA-certified for verified performance, with measured 1700 PSI / 1.1 GPM
  • — Convenient on/off foot switch and a removable half-gallon detergent tank
  • — Includes a turbo nozzle plus standard spray tips
Watch-outs
  • — 1700 PSI is the lowest pressure here, not for heavy-duty jobs
  • — Lower flow makes large-area rinsing slower
Sun Joe SPX3000
Higher ratedRanked #1 in Best Pressure Washers Under $300
Sun Joe SPX3000
2 sourcesall derived$169as of Oct 16

The Sun Joe SPX3000 is the value benchmark for electric pressure washers, pairing 2030 PSI rated output with two onboard detergent tanks for under $200. TechGearLab called it a good all-around machine for average household use, well matched to cars, patios, siding, and driveways. Its universal motor won't last like an induction design. For the price, it handles light-to-medium cleaning better than it has any right to.

Strengths
  • — Two onboard soap reservoirs with a selector dial let you switch chemicals on the fly
  • — Light and compact enough to carry up steps and store on a shelf
  • — Five quick-connect nozzle tips cover everything from delicate rinsing to concentrated blasting
Watch-outs
  • — Not powerful enough for heavy commercial-grade work

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Karcher K1700

The most compact and car-friendly option versus the more powerful Sun Joe SPX3000 and Westinghouse WPX3000e.

Sun Joe SPX3000

The value pick against the Westinghouse WPX3000e, and a step up in features from the compact Karcher K1700.

Specs side-by-side

SpecKarcher K1700Sun Joe SPX3000
Rated PSI1700 PSI (CETA verified)2030 PSI
Max GPM1.2 GPM (1.1 measured)1.76 GPM
Motor120V electric14.5-amp universal
Soap TankRemovable 0.5 gallon—
ControlsOn/off foot switch—
Nozzles3 spray tips + turbo nozzle5 quick-connect tips
Form FactorCompact cube—
CertificationCETA—
Dimensions17.25"L x 16.5"W x 33"H19.5"L x 15"W x 22"H
Detergent Tanks—Two (with selector dial)
Cord—35 ft GFCI
Weight—~31 lb
Safety—Total Stop System (TSS)
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