The Toyota Previa is one of the most reliable minivans ever built. Sure it's a little underpowered and has some unusual engineering. But just so reliable and great visibility from the driver's seat. The new Toyota Sienna or Honda minivans are nice. Even though I'm impressed with all of the improvements, there is something about my old Previa that I prefer over new. Mine has over 190K on the meter but has served as a work vehicle and a fully outfitted RV for almost 9 years with no problems. I do all of my own maintenance and would drive cross country tomorrow without a worry. It just doesn't break. The only problem is rust starting to form around the rear wheel wells
Overall design - reliability - flip up rear seats - rear wheel drive - classic design that still looks good.