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Car Washing: Look for a pressure washer with the ability to generate 1500 PSI or less, with 1.4- to 1.6 GPM. Higher pressure can damage paint and force water into seals designed to prevent water ...

Currently being tested is another gas-powered option, the RYOBI 2900 PSI 2.5 GPM Pressure Washer, which we suspect could prove a worthy challenger for our current Best Overall pick.