[5] He collected five podiums and another seven point-scoring finishes, to end the season fifth in the series standings, it was the best result for the Honda driver.
[7] He was victorious at Motegi, Fuji and Sugo, grabbing the championship title from Kenta Yamashita with a twelve-point gap.
In February 2016, it was announced Matsushita would reunite with ART for a second season, alongside fellow 2015 rookie Sergey Sirotkin.
Matsushita was suspended for the 4th round of the season in Austria due to erratic driving at the previous event in Baku.
[10] In 2017, Matsushita competed in the inaugural Formula 2 championship, driving for ART Grand Prix alongside Alexander Albon.
He scored two more podiums, in Monaco and in Monza and finished sixth in the final standings, beating Albon by 45 points.
[14] Driving alongside co-driver Toshiki Oyu, the pair finished the races at Motegi and Fuji Speedway eighth and seventh, respectively.
After He left Honda, Matsushita moves to their manufacturer's rival Nissan where he stepped up to GT500 racing with Team Impul alongside Kazuki Hiramine.
The duo won the fifth round at Sportsland Sugo, ending a five year win drought for the Impul team.
[15] They nearly also won round seven at Motegi, but Hiramine ran out of fuel on the final lap while leading, although he was able to coast to the finish in third.