 It's 540 Money News at 10 and 40 past the hour. Which cars are the highest quality and the easiest to use right out of the factory? The latest J.D. Power initial quality study shows Ram being the highest ranking brand, followed by Chevrolet, Hyundai, Kia, Buick, and Nissan. Porsche ranked the highest among premium brands. With the study, rather for the study, drivers of 2024 model year vehicles were surveyed after 90 days of ownership.