While police recover most stolen vehicles, some owners never see their cars again. Of the 34,610 model year 2013 cars, trucks and SUVs stolen between January 2012 and June 2014, police failed to recover 12 percent, according to research by the National Insurance Crime Bureau. That’s 4,038 very unhappy owners. The agency recently determined the models with the most unrecovered thefts. Read on to see if your car is on the list.