Pneumatic tire

A pneumatic tire with a designated mounting direction with respect to a vehicle, comprising:

• in a tread portion, main grooves extending in a tire circumferential direction;
• and
• a sipe extending in a tire lateral direction disposed in ribs defined by the main grooves;
• wherein
• the sipe comprises an edge on a leading side and an edge on a trailing side;
• the edge on the leading side and the edge on the trailing side each comprise a chamfered portion shorter than a sipe length of the sipe, only one of the chamfered portions being present on each of the leading side and the trailing side;
• a non-chamfered region in which other chamfered portions are not present is provided at portions facing the chamfered portions of the sipe;
• and
• for all chamfered portions, comprising at least the chamfered portions of the sipe, formed on grooves other than the main grooves, a total projected area AIN of the chamfered portions located on a vehicle mounting inner side and a total projected area AOUT of the chamfered portions located on a vehicle mounting outer side satisfy a relationship AIN>AOUT, and the ribs are intermediate land portions disposed offset from the tire equatorial plane, the sipe in one of the intermediate land portions opens at ends to two of the main grooves, and the sipe in an other one of the intermediate land portions terminates in the other one of the intermediate land portions.