In the 2014 IndyCar season, Kimball scored four top 5 finishes, and placed 9th in points. In 2015 he finished third at the Indianapolis 500 and the Grand Prix of Sonoma, and finished 5th at the Grand Prix of Indianapolis. The driver finished fifth at both Indianapolis races, and got 11 top 5s in 16 races, which earned him a 9th overall position in 2016. He scored no top 5s in 2017, and he parted with Ganassi afterwards.