Disclosed are a shock absorber and an automobile. The shock absorber includes a shock absorber cylinder and an air spring arranged around the shock absorber cylinder. The air spring includes a damping spring and a piston. A free end of the damping spring is supported at a free end of the piston. A support is disposed between the piston and the shock absorber cylinder. The free end of the piston is supported on the shock absorber cylinder by the support. In the shock absorber according to the invention, the piston and the shock absorber cylinder can be connected in a simple way.