Electric pressure washers promise a way to clean patios, driveways, cars and siding without the noise, fuel or maintenance associated with gas-powered machines. Because of their convenience, it’s no surprise that these battery and corded electric models dominate our testing. But with prices ranging from entry-level to premium, it’s fair to ask how much performance you get for your money, especially at the higher end of that spectrum. To find out, I compared the LawnMaster LT506-2000A pressure washer, which retails for $100 to $120 depending on PSI, with my AR Blue Clean 383SS. This specific 383SS model doesn’t appear to be available for sale anymore. I bought it for about $250 a few years ago, and while the specific 383SS model doesn’t appear to be available, similar models go for $300 to $400. The LawnMaster is positioned as a budget-friendly machine, while the AR Blue Clean has a longer track record and a more established feature set. I tested both washers on the same surfaces, using the same water source and comparable spray settings. The …