FIG. 1 is a front elevational view of a vehicle liftgate, showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top, front, and left side perspective view thereof; and,
FIG. 7 is a bottom, front, and left side perspective view thereof.
The broken lines shown in the vehicle liftgate represent a boundary or portions that form no part of the claimed design. The areas within broken lines form no part of the claimed design. The portion of the vehicle liftgate shown in half tone form no part of the claimed design.