Who bought grossinger auto group? Grossinger Auto Group, the oldest family-operated dealership chain in Illinois, is being acquired by AutoCanada. (Kristen Norman / Chicago Tribune) Grossinger Auto Group, the oldest family-operated dealership chain in Illinois, is being acquired by one of Canada’s largest car dealers.What happened to grossinger honda in west rogers park? Master Technician Tri Trang fixes the automatic sliding door on a minivan at Grossinger Honda in West Rogers Park on August 21, 2017. Grossinger Auto Group, the oldest family-operated dealership chain in Illinois, is being acquired by AutoCanada.Who are caroline grossinger and gary grossinger? Caroline and Gary Grossinger, both in their 50s, are grandchildren of founder Sam Grossinger. They took over the business after their father, Irwin, died in 2000. The Grossingers could not be reached for further comment.How much money does drivegrossinger make a year? Grossinger generated revenue of $401 million last year, according to AutoCanada, and sold about 15,000 vehicles, nearly evenly split between new and used.