How many PSI is a good pressure washer?

A good pressure washer runs 1,000–1,500 PSI for car washing and light surfaces, 1,500–2,500 PSI for decks and siding, and 2,500 PSI or higher for concrete and heavy-duty jobs.

PSI range should match the surface you're cleaning — not just be as high as possible. For car paint, pressure washers in the 1,000–1,500 PSI range remove road grime and pollen without risking damage to paint, trim, or rubber seals. A standard garden hose delivers only 40–60 PSI, so even a cordless pressure washer at 1,160 PSI delivers roughly 20 times the cleaning force — enough for vehicle panels and patio furniture.

• Car-safe pressure washer range: 1,000–1,500 PSI to protect paint, trim, and rubber seals.
• Deck, siding, and garden tools: pressure washers in the 1,500–2,500 PSI range.
• Concrete, pavers, and heavy grease: pressure washers rated 2,500 PSI or higher.
• Standard garden hose output: 40–60 PSI — roughly 20x less force than a 1,160 PSI cordless pressure washer.