Jaguar had the largest improvement among brands that scored above the industry average.
Jaguar, 132, bettered its score by 32 in 2014. Cadillac, 107, improved by 21, while Mercedes-Benz, 104, and Acura, 109, each cut problems by 11 per 100 vehicles.
Land Rover, 179, experienced the biggest overall gain after improving its score by 41. Despite the boost, the brand still finished third to last in 2014 after being last in 2013.
Other notable gains from brands below the industry average came from Volkswagen, 158, which had a 16-point improvement; Mitsubishi, 166, trimmed 12 points from its score; and Dodge, 181, cut nine points.
Overall, 15 brands improved, 15 brands declined and one, Jeep, equaled its 2013 score.