Sulfur-crosslinkable rubber mixture comprising - at least one diene rubber, the mixture comprising at least one solution-polymerized styrene-butadiene rubber; and - 10 to 200 phr of at least one silica and - 2 to 20 phf of at least one silane having the general empirical formula I) [(R 1) 3 Si-X] m S n (R 2) 2-m, where the radicals R 1 may be identical or different within one molecule and are alkoxy groups having 1 to 10 carbon atoms or cyclic dialkoxy groups having 2 to 10 carbon atoms or cycloalkoxy groups having 4 to 10 carbon atoms or phenoxy groups or halides, and where m takes on a value of 1 or 2, and where n is an integer from 1 to 8, and where R 2 is a hydrogen atom or an acyl group having 1 to 20 carbon atoms, and where X is an organic spacer group having 3 to 30 carbon atoms that comprises at least one organic radical selected from the group consisting of: a) at least one allyl group and b) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,2-position to one another, and which may carry further substituents, and c) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,3-position to one another, and which may carry further substituents, and d) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,4-position to one another, and which additionally carries at least one further substituent, and e) fused aromatic ring systems which have linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group that are arranged via an alkyl radical having 0 to 20 carbon atoms, and which may additionally carry at least one further substituent, where "phf" denotes "parts per hundred parts of filler by weight" and is based on the silica present. - at least one diene rubber, the mixture comprising at least one solution-polymerized styrene-butadiene rubber; and - 10 to 200 phr of at least one silica and - 2 to 20 phf of at least one silane having the general empirical formula I) [(R 1) 3 Si-X] m S n (R 2) 2-m, where the radicals R 1 may be identical or different within one molecule and are alkoxy groups having 1 to 10 carbon atoms or cyclic dialkoxy groups having 2 to 10 carbon atoms or cycloalkoxy groups having 4 to 10 carbon atoms or phenoxy groups or halides, and where m takes on a value of 1 or 2, and where n is an integer from 1 to 8, and where R 2 is a hydrogen atom or an acyl group having 1 to 20 carbon atoms, and where X is an organic spacer group having 3 to 30 carbon atoms that comprises at least one organic radical selected from the group consisting of: a) at least one allyl group and b) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,2-position to one another, and which may carry further substituents, and c) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,3-position to one another, and which may carry further substituents, and d) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,4-position to one another, and which additionally carries at least one further substituent, and e) fused aromatic ring systems which have linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group that are arranged via an alkyl radical having 0 to 20 carbon atoms, and which may additionally carry at least one further substituent, a) at least one allyl group and b) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,2-position to one another, and which may carry further substituents, and c) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,3-position to one another, and which may carry further substituents, and d) at least one phenyl group which has linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group, via an alkyl radical having 0 to 20 carbon atoms, that are arranged in 1,4-position to one another, and which additionally carries at least one further substituent, and e) fused aromatic ring systems which have linkages to the silicon atom of the silyl group (R 1) 3 Si- and also to a sulfur atom of the S n group that are arranged via an alkyl radical having 0 to 20 carbon atoms, and which may additionally carry at least one further substituent,