Abstract: In a pneumatic tire, a tread rubber includes a vehicle inner side region, a vehicle outer side region, first stereoscopic sipes, and second stereoscopic sipes. The first stereoscopic sipe has a sipe wall surface of a shape bent in a sipe width direction as viewed in cross section perpendicular to a sipe length direction, the first stereoscopic sipe having a fixed sipe width over a sipe depth direction. The second stereoscopic sipe has large width portions having a sipe width wider than a sipe width of the second stereoscopic sipe on a surface of the tread rubber in the inside of the tread rubber. Rubber hardness of the tread rubber in the vehicle outer side region is larger than rubber hardness of the tread rubber in the vehicle inner side region. Accordingly, it is possible to enhance dry steering stability performance while suppressing lowering of ice braking performance.

Abstract: In a pneumatic tire, a first stereoscopic sipe has a fixed sipe width over a sipe depth direction, a second stereoscopic sipe has large width portions having a sipe width wider than a sipe width of the second stereoscopic sipe on a surface of the tread rubber in the inside of the tread rubber, in a vehicle inner side region of the tread rubber disposed on an inner side when the pneumatic tire is mounted on the vehicle, a total of surface lengths of the first stereoscopic sipes is larger than a total of surface lengths of the second stereoscopic sipes, and in a vehicle outer side region of the tread rubber disposed on an outer side when the pneumatic tire is mounted on the vehicle, a total of surface lengths of the second stereoscopic sipes is larger than a total of surface lengths of the first stereoscopic sipes.

Abstract: In a pneumatic tire, a tread rubber includes a vehicle inner side region, a vehicle outer side region, first stereoscopic sipes, and second stereoscopic sipes. The first stereoscopic sipe has a sipe wall surface of a shape bent in a sipe width direction as viewed in cross section perpendicular to a sipe length direction, the first stereoscopic sipe having a fixed sipe width over a sipe depth direction. The second stereoscopic sipe has large width portions having a sipe width wider than a sipe width of the second stereoscopic sipe on a surface of the tread rubber in the inside of the tread rubber. Rubber hardness of the tread rubber in the vehicle outer side region is larger than rubber hardness of the tread rubber in the vehicle inner side region. Accordingly, it is possible to enhance dry steering stability performance while suppressing lowering of ice braking performance.

Abstract: In a pneumatic tire, a first stereoscopic sipe has a fixed sipe width over a sipe depth direction, a second stereoscopic sipe has large width portions having a sipe width wider than a sipe width of the second stereoscopic sipe on a surface of the tread rubber in the inside of the tread rubber, in a vehicle inner side region of the tread rubber disposed on an inner side when the pneumatic tire is mounted on the vehicle, a total of surface lengths of the first stereoscopic sipes is larger than a total of surface lengths of the second stereoscopic sipes, and in a vehicle outer side region of the tread rubber disposed on an outer side when the pneumatic tire is mounted on the vehicle, a total of surface lengths of the second stereoscopic sipes is larger than a total of surface lengths of the first stereoscopic sipes.