The ornamental design for an automobiletire tread, as shown and described.
FIG. 1 is a front perspective view of an automobile tire tread showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is an enlarged fragmentary front view thereof, taken along lines 5-5 and in the direction of arrows in FIG. 2; and,
FIG. 6 is a cross-sectional view of a part taken from the 6-6 line in FIG. 5, which shows only a cutaway section thereof.
In the drawings, the broken lines defining all but one of the tire grooves, the sidewall, and inner bead depict environmental subject matter that forms no part of the claimed design.