Cadillac has improved more than other automakers during the turbulence the industry has experienced since 2009.
J.D. Power and Associates analyzes customer opinions of more than 800 brands.
The luxury carmaker also excelled in national surveys for dependability and interactive technology features.
The most luxurious SUV in the chauffeured market ranked No. 1 in its segment in the widely respected J.D. Power Initial Quality Study.