Those who prefer diecast instead of resin (which all of the previous one are), then the below will be released by Minichamps.
G80 M3 in 1/18 and 1/43
Black
Isle of Man Green
Blue
G82 M4 in 1/18 and 1/43
White (presume Alpine)
Red (presume Toronto)
Yellow (presume Sao Paulo)
No photos or release dates yet.