Get years with styles for a Car Make/Model: Get the model years of a specific car make/model. You can use filters to get subtotals (e.g. give me the used 1999 model years for a car make/model and its styles).
Get Details on a Specific Car Make/Model/Year: Returns relevant information for a specific car make/model/year, including the car styles and trims. The information can also be narrowed down with filters.
Get A List of Model Years via Different Filters: Returns relevant information about model years based on filters
https://api.edmunds.com/api/vehicle/v3/lexus/rx350/years?year=2011&api_key={api key}
https://api.edmunds.com/api/vehicle/v3/honda/accord/2009?api_key={api key}
https://api.edmunds.com/api/vehicle/v3/modelYears?api_key={api key}&makeNiceName=honda&modelNiceName=accord