The Canadian International AutoShow (CIAS) is Canada's largest auto show.

It draws an average of 300,000 visitors throughout its showing from Ontario and Western New York.

The AutoShow also rents booths to over 125 exhibitors promoting contests, products, services and even locally owned vehicles.

[1] The AutoShow was founded in 1974 and replaced the annual display of automobiles at the Automotive Building during the Canadian National Exhibition every August.

[1][2] The 2024 edition of the show highlighted electric vehicles, with an "Electric City" exhibit space, and indoor test track and outside test drives available.