With his Rookie of the Year performance in May at the Indianapolis 500, he became the third Andretti to finish in the top five in his first Indianapolis 500 appearance, after father Michael (5th in 1984 Indianapolis 500) and grandfather Mario, who finished third in 1965. Andretti finished second to Sam Hornish, Jr. in the second closest finish in Indianapolis 500 history at a margin of 0.0635 seconds.