Forget peoples' opinions on reliability and look at some actual data. Head over to MSN Autos
and, if you have a subscription, Consumer Reports
Most of the suggestions here have pretty good reliability records based on the data. Despite the naysayers, even the Jeep Grand Cherokee rates highly, as long as you stick with somewhat newer ones (2004 and later). Similarly, the Toyota Land Cruiser rates pretty well overall, but there are a few model years that have fared worse than others. The Toyota 4runner, Nissan Pathfinder, and Subaru Outback are all solid choices, even going back quite a few years.