The Toyota Sienna received the lowest number of problems per 100 vehicles among minivans in the proprietary J.D. Power and Associates 2012 Vehicle Dependability StudySM. Study based on 31,325 consumer responses measuring problems consumers experienced in the past 12 months with three-year-old vehicles (2009 model year cars and trucks). Proprietary study results are based on experiences and perceptions of consumers surveyed October-December 2011. Your experiences may vary. Visit jdpower.com