The ornamental design for a motorvehicleexterior, as shown and described.
FIG. 1 is a top, front, and right side perspective view of the motor vehicle exterior showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof; and,
FIG. 6 is a top view thereof.
The overexposed or faded features of the motor vehicle exterior is provided for the purposes of illustrating portions of the article that form no part of the claimed design.