A pneumatic tire,wherein a normal ground−contact surface shape(F0)has a longest ground−contact length(Lc)at a tire equator(C)and has a shortest ground−contact length(Lm)between the tire equator(C)and a ground−contact edge(TE),the shortest ground−contact length(Lm)is positioned in an area apart 0.5 to 0.9 times a tread half width(TW)from the tire equator(C),a rubber thickness(t1)between carcass cords and belt cords is gradually increased from the tire equator to the axial outside of the tire and becomes 0.5 to 3.0 mm at a half width position(Q)apart 0.55 times a tread half width(TW)from the tire equator,and the ratio(t2q)/(t2c)of the total tread thickness(t2q)at the half width position(Q)to the total tread thickness(t2c)at the tire equator is 1.01±0.05.
