A rubber composition for tire comprising: 70 to 200 parts by mass of a filler comprising not less than 70 parts by mass of carbon black having a nitrogen adsorption specific surface area of 100 to 300 m 2 /g and an oil absorption number of 100 to 150 cm 3 /100 g and 60 to 250 parts by mass of a softener compounding 15 to 60 parts by mass of a tackifying resin with a softening point of not less than 110°C based on 100 parts by mass of a diene rubber component comprising not less than 20% by mass of a styrene-butadiene copolymer rubber a (SBRa) having a glass transition temperature of -35 to 15°C, a styrene content of 35 to 48% by mass and a vinyl unit quantity in the butadiene component of 35 to 55%, wherein the tackifying resin is a copolymer resin of 1-methyl-4-(1-methylethenyl)-cyclohexeneand / or -2,6,6-trimethylbicyclo[3.1.1]-2-heptene -6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane and aromatic vinyl, or a hydrogenated product thereof, and wherein the diene rubber comprises a diene rubber component other than the SBRa and wherein the softener comprises in addition to the tackifying resin as softener component a low molecular weight liquid polymer having a weight-average molecular weight in terms of polystyrene, which is measured by gel permeation chromatography (GPC), of 1.0 × 10 3 to 2.0 × 10 5 , wherein the softening point of the tackifying resin is measured in accordance with JIS K 6220-1, the glass transition temperature of the styrene-butadiene copolymer rubber a (SBRa) is measured based on JIS K 6229 and is determined by removing extended oil by use of acetone and measuring a pure SBR content by differential scanning calorimetry (DSC) in accordance with JIS K 7121, the nitrogen adsorption specific surface area of the carbon black is measured in accordance with JIS K 6217-2 and the oil absorption number of the carbon black is measured in accordance with JIS K 6217-4. 70 to 200 parts by mass of a filler comprising not less than 70 parts by mass of carbon black having a nitrogen adsorption specific surface area of 100 to 300 m 2 /g and an oil absorption number of 100 to 150 cm 3 /100 g and 60 to 250 parts by mass of a softener compounding 15 to 60 parts by mass of a tackifying resin with a softening point of not less than 110°C based on 100 parts by mass of a diene rubber component comprising not less than 20% by mass of a styrene-butadiene copolymer rubber a (SBRa) having a glass transition temperature of -35 to 15°C, a styrene content of 35 to 48% by mass and a vinyl unit quantity in the butadiene component of 35 to 55%, wherein the tackifying resin is a copolymer resin of 1-methyl-4-(1-methylethenyl)-cyclohexeneand / or -2,6,6-trimethylbicyclo[3.1.1]-2-heptene -6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane and aromatic vinyl, or a hydrogenated product thereof, and wherein the diene rubber comprises a diene rubber component other than the SBRa and wherein the softener comprises in addition to the tackifying resin as softener component a low molecular weight liquid polymer having a weight-average molecular weight in terms of polystyrene, which is measured by gel permeation chromatography (GPC), of 1.0 × 10 3 to 2.0 × 10 5 , wherein the softening point of the tackifying resin is measured in accordance with JIS K 6220-1, the glass transition temperature of the styrene-butadiene copolymer rubber a (SBRa) is measured based on JIS K 6229 and is determined by removing extended oil by use of acetone and measuring a pure SBR content by differential scanning calorimetry (DSC) in accordance with JIS K 7121, the nitrogen adsorption specific surface area of the carbon black is measured in accordance with JIS K 6217-2 and the oil absorption number of the carbon black is measured in accordance with JIS K 6217-4. <EOS>