A tire having an outer, visible, rubber sidewall layer wherein the outer sidewall layer is a rubber composition comprising, based upon parts by weight per 100 parts by weight rubber (phr): elastomers consisting of synthetic conjugated diene based elastomers consisting of: 1 to 20 phr of synthetic trans 1,4-polyisoprene having trans 1,4- isomeric content of at least 95 percent; 30 to 70 phr, alternately 45 to 65 phr of: (a) a synthetic cis 1,4-polybutadiene rubber having a cis 1,4- isomeric content of at least 95 percent, or (b) a synthetic polybutadiene rubber having a cis 1,4-isomeric content in a range of from 20 to 50 percent, a trans 1,4-isomeric content in a range of from 40 to 70 percent, and a vinyl 1,2 content in a range of from 5 to 15 percent; and 20 to 60 phr of synthetic cis 1,4-polyisoprene rubber having a cis 1,4-isomeric content of at least 95 percent; 30 to 70 phr of a particulate reinforcing filler comprising: a rubber reinforcing carbon black, or a combination of a rubber reinforcing carbon black and a silica, preferably a precipitated silica, comprising up to 60 phr of the rubber reinforcing carbon black and up to 60 phr of the silica and, also, a coupling agent for the silica having a moiety reactive with hydroxyl groups on the silica and another different moiety interactive with said conjugated diene based elastomers. elastomers consisting of synthetic conjugated diene based elastomers consisting of: 1 to 20 phr of synthetic trans 1,4-polyisoprene having trans 1,4- isomeric content of at least 95 percent; 30 to 70 phr, alternately 45 to 65 phr of: (a) a synthetic cis 1,4-polybutadiene rubber having a cis 1,4- isomeric content of at least 95 percent, or (b) a synthetic polybutadiene rubber having a cis 1,4-isomeric content in a range of from 20 to 50 percent, a trans 1,4-isomeric content in a range of from 40 to 70 percent, and a vinyl 1,2 content in a range of from 5 to 15 percent; and 20 to 60 phr of synthetic cis 1,4-polyisoprene rubber having a cis 1,4-isomeric content of at least 95 percent; 1 to 20 phr of synthetic trans 1,4-polyisoprene having trans 1,4- isomeric content of at least 95 percent; 30 to 70 phr, alternately 45 to 65 phr of: (a) a synthetic cis 1,4-polybutadiene rubber having a cis 1,4- isomeric content of at least 95 percent, or (b) a synthetic polybutadiene rubber having a cis 1,4-isomeric content in a range of from 20 to 50 percent, a trans 1,4-isomeric content in a range of from 40 to 70 percent, and a vinyl 1,2 content in a range of from 5 to 15 percent; and (a) a synthetic cis 1,4-polybutadiene rubber having a cis 1,4- isomeric content of at least 95 percent, or (b) a synthetic polybutadiene rubber having a cis 1,4-isomeric content in a range of from 20 to 50 percent, a trans 1,4-isomeric content in a range of from 40 to 70 percent, and a vinyl 1,2 content in a range of from 5 to 15 percent; and 20 to 60 phr of synthetic cis 1,4-polyisoprene rubber having a cis 1,4-isomeric content of at least 95 percent; 30 to 70 phr of a particulate reinforcing filler comprising: a rubber reinforcing carbon black, or a combination of a rubber reinforcing carbon black and a silica, preferably a precipitated silica, comprising up to 60 phr of the rubber reinforcing carbon black and up to 60 phr of the silica and, also, a coupling agent for the silica having a moiety reactive with hydroxyl groups on the silica and another different moiety interactive with said conjugated diene based elastomers. a rubber reinforcing carbon black, or a combination of a rubber reinforcing carbon black and a silica, preferably a precipitated silica, comprising up to 60 phr of the rubber reinforcing carbon black and up to 60 phr of the silica and, also, a coupling agent for the silica having a moiety reactive with hydroxyl groups on the silica and another different moiety interactive with said conjugated diene based elastomers.