Bosch's 500 Series nails the two things that matter most: it's whisper-quiet and cleans without fuss. Owners running two loads a day report eight-plus years of reliable service, which is rare in an era when Whirlpool and KitchenAid pumps fail at year three. Plastics stay damp unless you crack the door or use the auto-air feature, and the racks feel cheaper than the price suggests; a few pumps have died just past warranty, requiring $300-400 fixes, though it's not epidemic. If you value silence and solid cleaning over bone-dry dishes, this is the sweet spot; if you need everything dry or want racks that feel premium, spend more for the 800 or look at Miele.
Bosch built its dishwasher reputation on German-made tanks that ran silent for fifteen years, but the current Benchmark line is a different machine wearing the same badge. Control boards fail within two years, racks slide like they're fighting you, and warranty repairs stretch into six-week waits while you hand-wash. The 800 series still cleans beautifully and runs quieter than your refrigerator, but you're gambling on whether you get a survivor or join the chorus of buyers wondering what happened to the brand they remembered. If the premium price reflects the old Bosch, shop elsewhere; if you're paying for current reality and accept the service lottery, the cleaning performance and third rack still deliver.