MA has front and rear independent suspension and is also 4wd, giving advantage of traction out of corners. but it also has higher CG, so is very sensitive to bad settings
MR has less rotating parts in drivetrain, as well as lower CG and ability to use LM bodies, giving better aerodynamics, but must be driven in "in-out-in" and easily washes out if you don't use Plate Damper.
They both have their gives and takes. in general, MR will be better in high grip tracks, but MA will have the upper hand in low grip conditions where they can overspeed some corners in a half-drift fasion |