To reduce vehicle exterior noise while maintaining wet braking.

In a pneumatic tire, shoulder lands 4a, 4b and three ribs 4c, 4d, 4e are formed on a tread face 2a with four main grooves 3, a vehicle inside shoulder land lug groove 5a with one end communicating with the main groove of a vehicle innermost side is formed on a vehicle inside shoulder land, and a vehicle outside shoulder land lug groove 5c isolated from the main groove of a vehicle outermost side is formed on a vehicle outside shoulder land. In addition, a center rib lug groove 5d with one end communicating with the main groove of a vehicle inside and the other end terminating at the rib is formed at the center rib, a vehicle outside rib lug groove 5e with one end communicating with the main groove of the vehicle inside and the other end terminating at the rib is formed at a vehicle outside rib, a vehicle inside rib first lug groove 5f with one end communicating with the main groove of the vehicle inside and the other end terminating in the rib is formed at the rib of the vehicle inside, and a vehicle inside rib second lug groove 5g with one end communicating with the main groove of the vehicle outside and the other end terminating in the rib is formed at the rib of the vehicle inside. In the pneumatic tire, the width W1 of the rib of the vehicle inside is 1.2-1.5 times larger than the widths W2, W3 of the other rib.