The ornamental design for a cartire, as shown and described.
FIG. 1 is a perspective view of a car tire, showing our new design;
FIG. 2 is a front elevation view thereof, it being understood that the tread pattern is repeated throughout the circumference of the car tire;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof; and,
FIG. 5 is an enlarged front elevation view of FIG. 2, showing a portion thereof.
In the drawings, the evenly spaced broken lines depict portions of the car tire that form no part of the claimed design. The dashed lines of uneven length define the bounds of the claim and form no part of the claimed design.