Honda and Porsche has taken the lead in theJD Power and Associates' annual ranking of initial vehicle quality in the United States.
Porsche is the top brand, with the fewest reported problems per vehicle. Honda has winners in three segments, more than any other carmaker. The Honda Civic, Fit (Jazz) and CR-V all got awards.
The study released on Wednesday measures problems in the first 90 days of ownership. It questioned 81 500 people who bought or leased vehicles from the 2008 model year.
JD Power says overall quality improved to an average of 118 problems per vehicle from 125 problems last year.
Jeep was the worst performer, with 167 problems per vehicle.