A lubricating oil composition comprising: a lubricant base oil; (A) a calcium salicylate detergent in an amount of 0.005 to 0.03 mass% in terms of calcium on the basis of the total mass of the composition; (B) a succinimide type ashless dispersant in an amount of 0.005 to 0.25 mass% in terms of nitrogen on the basis of the total mass of the composition; (C) a nitrogen-containing antioxidant in an amount of 0.005 to 0.15 mass% in terms of nitrogen on the basis of the total mass of the composition; and (D) a nitrogen-containing friction modifier in an amount of no more than 0.03 mass% in terms of nitrogen on the basis of the total mass of the composition, wherein a total content of any metallic detergent is 0.005 to 0.03 mass% in terms of metal on the basis of the total mass of the composition, the component (D) comprising (D1) a succinimide type friction modifier in an amount of 0.001 to 0.03 mass% in terms of nitrogen on the basis of the total mass of the composition, the component (D1) being a first condensation reaction product of a first alkyl- or alkenyl-succinic acid or anhydride thereof and a first polyamine, the first alkyl- or alkenyl-succinic acid having a C8-36 alkyl or alkenyl group, the first polyamine being a polyamine, a N-mono-C1-36 alkylated product of the polyamine, or a N-mono-C1-36 alkenylated product of the polyamine, or any mixture thereof, and the component (B) is a second condensation reaction product being a condensation reaction product of a second alkyl- or alkenyl-succinic acid or anhydride thereof and a polyamine, the second alkyl- or alkenyl-succinic acid having a C40-400 alkyl or alkenyl group. a lubricant base oil; (A) a calcium salicylate detergent in an amount of 0.005 to 0.03 mass% in terms of calcium on the basis of the total mass of the composition; (B) a succinimide type ashless dispersant in an amount of 0.005 to 0.25 mass% in terms of nitrogen on the basis of the total mass of the composition; (C) a nitrogen-containing antioxidant in an amount of 0.005 to 0.15 mass% in terms of nitrogen on the basis of the total mass of the composition; and (D) a nitrogen-containing friction modifier in an amount of no more than 0.03 mass% in terms of nitrogen on the basis of the total mass of the composition, (A) a calcium salicylate detergent in an amount of 0.005 to 0.03 mass% in terms of calcium on the basis of the total mass of the composition; (B) a succinimide type ashless dispersant in an amount of 0.005 to 0.25 mass% in terms of nitrogen on the basis of the total mass of the composition; (C) a nitrogen-containing antioxidant in an amount of 0.005 to 0.15 mass% in terms of nitrogen on the basis of the total mass of the composition; and (D) a nitrogen-containing friction modifier in an amount of no more than 0.03 mass% in terms of nitrogen on the basis of the total mass of the composition, wherein a total content of any metallic detergent is 0.005 to 0.03 mass% in terms of metal on the basis of the total mass of the composition, the component (D) comprising (D1) a succinimide type friction modifier in an amount of 0.001 to 0.03 mass% in terms of nitrogen on the basis of the total mass of the composition, the component (D1) being a first condensation reaction product of a first alkyl- or alkenyl-succinic acid or anhydride thereof and a first polyamine, the first alkyl- or alkenyl-succinic acid having a C8-36 alkyl or alkenyl group, the first polyamine being a polyamine, a N-mono-C1-36 alkylated product of the polyamine, or a N-mono-C1-36 alkenylated product of the polyamine, or any mixture thereof, and the component (B) is a second condensation reaction product being a condensation reaction product of a second alkyl- or alkenyl-succinic acid or anhydride thereof and a polyamine, the second alkyl- or alkenyl-succinic acid having a C40-400 alkyl or alkenyl group. <EOS>