I bought the season pass yesterday, bit stingy but I like the game and skipped Grid 2.
Still waiting on 2 of the main dlc packs from what I understand.
And three mini-expansions are in the works, each built around a theme: Sprint Pack; Touring Car Legends Pack; and Drag Racing Pack. Each mini-expansion includes a new single-player championship alongside new tracks, routes and cars.
Still waiting on 2 of the main dlc packs from what I understand.