Career Progression

Does anyone know how the exhibitions and championships work in regards to completion? In Horizon 2 for instance, each location had a championship for each car type. There were 28 championships per the 6 locations, so a whopping 168 championships to be completed in order to get to 100%.

In Horizon 3 however, the blueprint feature makes me wonder whether each exhibition and championship only needs to be completed once with any car type, or if each exhibition and championship is set for a particular car type (without blueprint) and you need to bring the appropriate car for these events.
 
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