A plastic container has a mouth region and a main body adjoining the mouth region in a longitudinal direction (L) of the plastic container. The main body has a peripheral wall extending around in a circumferential direction of the plastic container. A container base adjoining the main body has a central region and a plurality of reinforcing ribs which, starting from the central region, extend in the direction of the circumferential wall. A stepped portion extending at least partially in the circumferential region of the plastic container is provided in a circumferential region of the container base which extends in the circumferential direction about the longitudinal direction (L), wherein a vertical position of this stepped portion varies in the longitudinal direction (L).