Eric Curran, Felipe Nasr won the 2018 IMSA drivers’ championship, racing for Action Express Racing — Cadillac DPi-V.R (DPi).
The manufacturers’ championship went to Cadillac.
Eric Curran, Felipe Nasr won the 2018 IMSA championship with Action Express Racing — Cadillac DPi-V.R (DPi).
Eric Curran, Felipe Nasr won the 2018 IMSA drivers’ championship, racing for Action Express Racing — Cadillac DPi-V.R (DPi).
The manufacturers’ championship went to Cadillac.