A tire (1, 1', 1", 1′′′) comprising a belt portion and a tread portion (10, 10', 10", 10′′′), wherein the tread portion (10, 10', 10", 10′′′) comprises a tread cap and a tread base and is situated radially outward from the belt portion, wherein the tread portion (10, 10', 10", 10′′′) comprises a radially outer tread layer , which is adapted to be ground contacting, and a radially inner tread layer arranged between the radially outer tread layer and the belt portion, wherein the radially outer tread layer is a layer of the tread cap and comprises a first rubber composition having a first shear storage modulus G'1, the radially inner tread layer consists of a second rubber composition having a second shear storage modulus G'2, characterized in that: the second shear storage modulus G'2 is between 3 MPa and 9 MPa higher than the first shear storage modulus G'1, the first shear storage modulus G'1 is within a range of 1 MPa to 3 MPa and the second shear storage modulus G'2 is within a range from 4 MPa to 12 MPa, the first shear storage modulus G'1 and the second shear storage modulus G'2 are determined according to ASTM D5992 at 6% strain, a frequency of 7.8 Hz and 70°C; and in that the radially inner tread layer is a tread base layer , or the radially inner tread layer is a tread cap layer wherein the radially inner tread layer has over at least 90% of its axial width a radial thickness ranging from 20% to 80% of the maximum radial thickness of the radially outer tread layer. the radially outer tread layer is a layer of the tread cap and comprises a first rubber composition having a first shear storage modulus G'1, the radially inner tread layer consists of a second rubber composition having a second shear storage modulus G'2, characterized in that: the second shear storage modulus G'2 is between 3 MPa and 9 MPa higher than the first shear storage modulus G'1, the first shear storage modulus G'1 is within a range of 1 MPa to 3 MPa and the second shear storage modulus G'2 is within a range from 4 MPa to 12 MPa, the first shear storage modulus G'1 and the second shear storage modulus G'2 are determined according to ASTM D5992 at 6% strain, a frequency of 7.8 Hz and 70°C; and in that the radially inner tread layer is a tread base layer , or the radially inner tread layer is a tread cap layer wherein the radially inner tread layer has over at least 90% of its axial width a radial thickness ranging from 20% to 80% of the maximum radial thickness of the radially outer tread layer. the second shear storage modulus G'2 is between 3 MPa and 9 MPa higher than the first shear storage modulus G'1, the first shear storage modulus G'1 is within a range of 1 MPa to 3 MPa and the second shear storage modulus G'2 is within a range from 4 MPa to 12 MPa, the first shear storage modulus G'1 and the second shear storage modulus G'2 are determined according to ASTM D5992 at 6% strain, a frequency of 7.8 Hz and 70°C; and in that the radially inner tread layer is a tread base layer , or the radially inner tread layer is a tread cap layer wherein the radially inner tread layer has over at least 90% of its axial width a radial thickness ranging from 20% to 80% of the maximum radial thickness of the radially outer tread layer. <EOS>