We claim the ornamental design for a vehicle, as shown and described.
FIG. 1 is a front elevational view of a vehicle showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a top, front and right side perspective view thereof; and,
FIG. 7 is a top, rear and right side perspective view thereof.
The bottom view forms no part of the claimed design. The rendered drawings include surface shading that represents contour and not surface ornamentation.