Download the list of Car dealers in Ontario. Smartscrapers provides an accurate directory and the latest data on the number of Car dealers in Ontario There are 2449 Car dealers in Ontario as of May 5, 2025; which is an 4.83% increase from 2023. Of these locations, 2015 Car dealers which is 82.28% of all Car dealers in Ontario are single-owner operations, while the remaining 434 which is 17.72% are part of larger brands. The top three cities with the most Car dealers are Toronto with 369 Car dealers, Ottawa with 202 Car dealers, Mississauga with 161 Car dealers. Average age of Car dealers in Ontario is 7 years .