The ornamental design for a vehicle, as shown and described.
FIG. 1 is a front right side perspective view of the vehicle of the present invention;
FIG. 2 is a rear right side perspective view thereof;
FIG. 3 is a front left side perspective view thereof;
FIG. 4 is a rear left side perspective view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a front view thereof;
FIG. 8 is a rear view thereof;
FIG. 9 is a top view thereof; and,
FIG. 10 is a bottom view thereof.
The license plate letters and numbers, as well as other letters appearing on the vehicle do not form part of the claimed design. Furthermore, the large blank area in FIG. 10 does not form part of the claimed design.