Tire and automobile

The utility model discloses a tire and an automobile, the tire comprises a rim and a tire body, and a closed inflation cavity is formed between the tire body and the rim. The tire body comprises an annular partition wall arranged in the inflation cavity, the partition wall divides the inflation cavity into a first air chamber and a second air chamber which are independent of each other, and any one of the first air chamber and the second air chamber can inflate the other air chamber through a switch component. In the axial direction of the tire, the distance between the two ends of the partition wall and the rim is larger than the distance between the partition wall and the outer wall. And when the air pressure in the first air chamber is greater than that in the second air chamber, a gap is always formed between the partition wall and the outer wall. The tire provided by the utility model has relatively high explosion-proof performance, can normally run in an air shortage state, can dynamically adjust the ai