2019 Honda Racing Drivers and HPD engineers. Sebastien Bourdais, Dale Coyne Racing with Vasser-Sullivan Honda, James Hinchcliffe, Arrow Schmidt Peterson Motorsports Honda, Conor Daly, Andretti Autosport Honda, Felix Rosenqvist, Chip Ganassi Racing Honda, Colton Herta, Harding Steinbrenner Racing Honda, Jack Harvey, Meyer Shank Racing with Arrow SPM Honda, Santino Ferrucci, Dale Coyne Racing Honda, Scott Dixon, Chip Ganassi Racing Honda, Alexander Rossi, Andretti Autosport Honda, Ryan Hunter-Reay, Andretti Autosport Honda, Graham Rahal, Rahal Letterman Lanigan Racing Honda, Takuma Sato, Rahal Letterman Lanigan Racing Honda, Marcus Ericsson, Arrow Schmidt Peterson Motorsports Honda, Marco Andretti, Andretti Herta with Marco & Curb-Agajanian Honda, Zach Veach, Andretti Autosport Honda