The CSI measures service satisfaction among owners and lessees of one- to five-year-old vehicles in the United States. The rankings are based on a 1,000 point scale, with a higher number indicating a higher satisfaction rate.
Buick, another GM brand, ranked first in the mass-market category, scoring 835 out of 1,000. Volkswagen (830), GMC and Mini (both 828) and Chevrolet (812) represented the other top five brands in the study.
"What makes this survey so valuable is that it is an objective measure of service satisfaction," said David Mingle, GM executive director, Customer Experience. "The results of this benchmark study confirm our commitment to provide our customers with the best overall experience in the entire industry."