The Forza Horizon Rally Pack adds the following features:
- Co-drivers with rally calls
- Rally tracks
- Five new cars (the '92 Celica, the 2004 Mitsubishi Lancer Evolution VIII MR, the 2005 Subaru Impreza WRX STi, 1992 Ford Escort RS Cosworth, and 1982 Lancia 037 Stradale. Season Pass owners also get the 2003 Ford Focus SVT)
- New multiplayer events
- New car upgrades
- New achievements
