Three Toyota models, one Honda and one Mazda vehicle ranked highest in their respective segments, according to the JD Power Asia Pacific 2007 Thailand initial quality study.

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The study, which measures problems customers experience with their new vehicle during the first two to six months of ownership, was redesigned this year and now examines over 200 problem symptoms covering eight vehicle components.


In the entry midsize passenger car segment, the Toyota Yaris (144 problems per 100) ranked highest for a second consecutive year, followed by the redesigned Toyota Vios (176 PP100) and Honda City ZX (182 PP100).


The Mazda 3 (164 PP100) ranked highest in the midsize passenger car segment, followed by the Toyota Corolla Altis (179 PP100) and the Honda Civic (217 PP100).


With a PP100 score of 116, the Honda CR-V led the SUV segment. The Toyota Fortuner (179 PP100) and Isuzu MU-7 (215 PP100) followed.


Among extended cab pickups, the Toyota Hilux Vigo ranks highest with 153 PP100, followed by the Mazda BT-50 (155 PP100) and the Nissan Frontier Navara (164 PP100).


The Toyota Hilux Vigo Prerunner (187 PP100) recorded the fewest problems among double cab pickups, followed by the Nissan Frontier Navara (190 PP100) and the Isuzu D-Max Hi-Lander (195 PP100).


The study found that initial quality in Thailand averaged 185 PP100 in 2007, with nearly two-thirds of new vehicle owners experiencing at least one problem within the first six months of ownership. Owners most frequently reported problems dealing with the engine and transmission, followed by the vehicle exterior and driving experience.


The 2007 study was based on evaluations from 3,991 owners who purchased their new vehicle between October 2006 and June 2007.

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