Detroit: Pre race grid, #18: Ed Jones, Dale Coyne Racing with Vasser Sullivan Honda, #51: Romain Grosjean, Dale Coyne Racing with RWR Honda, #2: Josef Newgarden, Team Penske Chevrolet
Pre race grid, #18: Ed Jones, Dale Coyne Racing with Vasser Sullivan Honda, #51: Romain Grosjean, Dale Coyne Racing with RWR Honda, #2: Josef Newgarden, Team Penske Chevrolet