As of today; with the announcement/non-announcement that DJR Penske may or may not be back next year, there are only 7 confirmed RECs for 2021.
They are as follows:
Holdsworth - TIckford Racing
Percat - Brad Jones Racing
Whincup - T8 RBR
Van Giz - T8 RBR
Reynolds - Erebus
Brown - Erebus (from Super 2)
Mostert - WAU (not in a Commodore)
They are as follows:
Holdsworth - TIckford Racing
Percat - Brad Jones Racing
Whincup - T8 RBR
Van Giz - T8 RBR
Reynolds - Erebus
Brown - Erebus (from Super 2)
Mostert - WAU (not in a Commodore)