Confirmed: Pikes Peak Is a Gran Turismo Exclusive, But When Will We See It?
https://www.gtplanet.net/confirmed-pikes-peak-is-a-gran-turismo-exclusive/

http://forums.codemasters.com/discussion/comment/244282/#Comment_244282

> Yes, we signed it for DiRT Rally before it went exclusive but we can't use it anymore.

DiRTのチーフデザイナーも独占のせいでもう使えないとコメントしてる