India Vehicle Dependability Study (VDS)
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VDS evaluates quality (dependability) of vehicles between 2.5 to 3.5 years of ownership based on vehicle problems experienced since ownership. Similar to the IQS, performance is summarized with a problems-per-100 vehicles (PP100) designation. The study monitors the number and type of problems owners have with their vehicles and covers specific problems across different problem categories. The VDS provides insight into the influence of problems on the owners’ overall satisfaction with the vehicle and the problems most bothersome to owners.