A lubricant composition comprising an additive package and an oil of lubricating viscosity, the additive package comprising, (a) a dispersant mixture comprising, (i) the reaction products of a conventional polyolefin acylating agent and an aromatic amine, aliphatic amine, and mixtures thereof, wherein the polyolefin is derived from polymerized C 2 -C 6 mono olefins; wherein at least 10mol% of the reaction products contain an aromatic amine, and wherein the polyolefin has an Mn of at least 1500 daltons and no more than 5,000 daltons, wherein (a)(i) is a mixture of, the reaction product of a succinated polyisobutylene with one or more polyethylenepolyam-ines, wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and the reaction product of succinated polyisobutylene with one or more aromatic polyamines wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and (ii) the reaction product of a high-vinylidene polyisobutylene acylating agent and an aliphatic polyamine, wherein the high-vinylidene polyisobutylene has an Mn of no more than 2500 daltons, and at least 50 mol% of the end groups in the high-vinylidene polyisobutylene from which the polyisobutylene acylating agent is derived are methylvinylidene; and (b) from 1 to 6 wt% of an antioxidant mixture comprising, (i) an ashless diarylamine, and (ii) an ashless phenol compound, wherein (b)(i) is present at greater than 1.0 wt% of the lubricant composition on an active basis, and wherein (b)(ii) is present at greater than 0.5 wt% of the lubricant composition on an active basis. (a) a dispersant mixture comprising, (i) the reaction products of a conventional polyolefin acylating agent and an aromatic amine, aliphatic amine, and mixtures thereof, wherein the polyolefin is derived from polymerized C 2 -C 6 mono olefins; wherein at least 10mol% of the reaction products contain an aromatic amine, and wherein the polyolefin has an Mn of at least 1500 daltons and no more than 5,000 daltons, wherein (a)(i) is a mixture of, the reaction product of a succinated polyisobutylene with one or more polyethylenepolyam-ines, wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and the reaction product of succinated polyisobutylene with one or more aromatic polyamines wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and (ii) the reaction product of a high-vinylidene polyisobutylene acylating agent and an aliphatic polyamine, wherein the high-vinylidene polyisobutylene has an Mn of no more than 2500 daltons, and at least 50 mol% of the end groups in the high-vinylidene polyisobutylene from which the polyisobutylene acylating agent is derived are methylvinylidene; and (i) the reaction products of a conventional polyolefin acylating agent and an aromatic amine, aliphatic amine, and mixtures thereof, wherein the polyolefin is derived from polymerized C 2 -C 6 mono olefins; wherein at least 10mol% of the reaction products contain an aromatic amine, and wherein the polyolefin has an Mn of at least 1500 daltons and no more than 5,000 daltons, wherein (a)(i) is a mixture of, the reaction product of a succinated polyisobutylene with one or more polyethylenepolyam-ines, wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and the reaction product of succinated polyisobutylene with one or more aromatic polyamines wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and wherein at least 10mol% of the reaction products contain an aromatic amine, and wherein the polyolefin has an Mn of at least 1500 daltons and no more than 5,000 daltons, wherein (a)(i) is a mixture of, the reaction product of a succinated polyisobutylene with one or more polyethylenepolyam-ines, wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and the reaction product of succinated polyisobutylene with one or more aromatic polyamines wherein the polyisobutylene has an average of between 1.2 and 1.6 succinic acid moieties per polymer, and (ii) the reaction product of a high-vinylidene polyisobutylene acylating agent and an aliphatic polyamine, (b) from 1 to 6 wt% of an antioxidant mixture comprising, (i) an ashless diarylamine, and (ii) an ashless phenol compound, wherein (b)(i) is present at greater than 1.0 wt% of the lubricant composition on an active basis, and wherein (b)(ii) is present at greater than 0.5 wt% of the lubricant composition on an active basis. (i) an ashless diarylamine, and (ii) an ashless phenol compound,