PSA: Horizon 3 is 67-70% off until the end of September. This is the last chance to buy the game and its DLC before they are inevitably delisted from the Microsoft Store. :
Forza Horizon 3 Ultimate Edition includes stunning steelbook - Team VVV
Forza Horizon 3 [Ultimate Edition] - Solaris Japan
Forza Horizon 3 Pre-Order & Rewards Program Details – GTPlanet
Forza Horizon 3: Ultimate (Microsoft Xbox One, 2016) for sale online | eBay