Disclosed are sulfur-crosslinkable rubber mixtures for the base of treads having a cap/base construction of vehicle tires, and a vehicle tire comprising the sulfur-crosslinkable rubber mixtures. The disclosed rubber mixture comprises: at least one diene rubber, 15 to 55 phr of at least one filler, at least one hydrocarbon resin comprising 25% to 100% by weight of aromatic monomers, having a softening point according to ASTM E 28 (ring and ball) of 70° C. to 130° C., and 0 phr of further plasticizers, that is, the sulfur-crosslinkable rubber mixture is free from further plasticizers.