The 2018 Petit Le Mans (formally known as the 2018 MOTUL Petit Le Mans for sponsorship reasons) was the 21st running of the Petit Le Mans, and was held on October 15th 2018. It was the last race in the 2018 IMSA WeatherTech Sportscar Championship, and the last race of the 2018 Tequila Patron North American Endurance Cup, and was run at Road Atlanta in Braselton, Georgia. The race was won overall by the #10 Wayne Taylor Racing Cadillac DPi-V.R.