GM Brands Dominate J.D. Power’s Customer Service Index Study
Buick, GMC, Chevy and Cadillac all finished strong in the latest CSI rankings Buick took top honors in the 2015 J.D. Power’s Customer Service Index Study, but it wasn’t the only General Motors brand that repeated its success from last year. GMC and Chevrolet once again placed third and fourth, respectively, in the CSI rankings,…
