vehicle pneumatic tire with belt and carcass . an inner working ply of the belt has first parallel steel strengtheners embedded in rubber oriented at an angle “ α ” relative to a circumferential direction and satisfy : 10 °≦ α ≦ 45 °. an outer working ply of the belt has second parallel steel strengtheners embedded in rubber oriented at an angle “ γ ” and satisfy : 10 °≦ γ ≦ 45 °. the inner working ply has a greater axial length . the angles “ α ” and “ γ ” have opposite inclination . another belt ply is arranged between the inner and outer working plies and has third parallel strengtheners embedded in rubber oriented at an angle “ β ” and satisfy : 0 °≦ β ≦ 5 °. the first and second strengtheners have a breaking force f greater than 1800 n and at 10 % of the breaking force f , an extension d satisfies 0 . 22 %≦ d ≦ 0 . 4 %.