Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.
Sun Joe SPX3000 comes out ahead by a narrow margin (4.5 vs 4.6). The gap is mostly about homeowners cleaning cars, decks, and patios occasionally — read the strengths below before deciding.
The K1700 is the European-engineering pick — Karcher's compact electric for buyers who value German build quality.
The SPX3000 is the best-overall pick — Sun Joe's value champion with 5 nozzles and dual detergent tanks.
German engineering. Premium brand. Lower PSI.
Best value. Most nozzles. Dual detergent unique here.
| Spec | Karcher K1700 | Sun Joe SPX3000 |
|---|---|---|
| PSI | 1,700 | 2,030 |
| Build | German engineering | — |
| Handle | Telescoping | — |
| Hose | Kink-resistant | — |
| GPM | — | 1.76 |
| Nozzles | — | 5 quick-change |
| Detergent | — | Dual tanks |