watsonk 
2008 Toyota Sienna Minivan LE 7-Passenger 4dr Minivan (3.5L 6cyl 5A)
2008 Toyota Sienna LE Tire Wear Issue
 At 19,100 miles, and with regular tire rotation, all four Dunlop tire wear are 4/32.  There is something wrong with the tires!  I avoided buying a AWD just to avoid premature wearing of tires (Consumers Report).  It makes no difference!  