Manufacturer competition returned to the series in 2012, and HPD has constructed turbocharged V6 engines for its effort. Since then, HPD has won the Indianapolis 500 in 2012, 2014, 2016, 2017 and 2020, the drivers' championship in 2013, 2018 and 2020, and the manufacturers' championship in 2018, 2019 and 2020.