Wife had a Flex, still bemoans selling it. Second-row room second to none, including the Expedition it replaced. My biggest gripe was the rear suspension...terrible design if you live on rough roads. Very little adjustability, and was great at eating rear tires. Other than that, heater hose assembly at 170K. And the fuel tank design sucks. It uses a jet pump to transfer fuel from one sump to the one with the high pressure pump, and they are notorius for dying and leaving you dead with fuel still showing. The tank is designed for the driveshaft of the AWD versions to pass through, leaving you with 2 sumps. My fix. had we kept it, was to use bulkhead connectors and braided hose to link them together, since ours was FWD.
She still talks about buying another one from time to time, though.
She still talks about buying another one from time to time, though.