The 2012 Mobil 1 presents the Grand Prix of Mosport was a multi-class sports car and GT motor race held at Canadian Tire Motorsport Park in Ontario, Canada on July 22, 2012. It was the fifth round of the 2012 American Le Mans Series season and the 30th Grand Prix of Mosport. The race was held a two hour and 45 minute time period, during which 117 laps of the 3.9 kilometre circuit were completed for a race distance of 463 kilometres.

The Chevrolet Grand Prix is an annual IMSA WeatherTech SportsCar Championship race held every July at Canadian Tire Motorsport Park in Bowmanville, Ontario, Canada. The race originated in 1975 and is currently a two hour and forty minute race in order to fit the event into a television-friendly package. Previous editions of the Grand Prix were part of the World Sportscar Championship, the American Le Mans Series and the IMSA GT Championship.