The ornamental design for an automobile, as shown and described.
FIG. 1 is a front perspective view of an automobile showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a front and left side perspective view thereof;
FIG. 7 is a rear and right side perspective view thereof; and,
FIG. 8 is a rear elevational view thereof.
The hidden surfaces from the bottom, inside the storage bed, the wheels, and inside the wheel wells, but visible in the figures form no part of the claimed design. The broken line showing on the radiator grill is for purpose of illustrating environmental structure and forms no part of the claimed design.