The 2008 Rally GB was the fifteenth and final round of the 2008 World Rally Championship season and was held between December 5–7, 2008. The event was again held in Wales, with Cardiff being the host of the ceremonial start and finish, and Swansea providing the service park. The special stages took place on gravel roads on private land, owned either by the Forestry Commission or the Army. The event saw a return to the mid Wales stages of Hafren, Sweet Lamb, and Myherin for the first time since 2000. The rally was won by Sébastien Loeb in a Citroën C4 WRC. This was his eleventh win of the season - breaking his own previous record set in 2005. Second place went to Ford driver Jari-Matti Latvala who was just 12.7 seconds behind. The final podium position was filled by Loebs teammate Dani Sordo. With this result Citroën clinched the manufacturers championship. This was the final appearance of the Subaru and Suzuki in the World Rally Championship.

Sébastien Loeb is a French professional rally, racing and rallycross driver. He is the most successful driver in the World Rally Championship (WRC), having won the world championship a record nine times in a row. He holds several other WRC records, including most event wins, most podium finishes and most stage wins. Loeb retired from full time WRC participation at the end of 2012. He currently drives part time in the WRC for M-Sport Ford World Rally Team, and full time in the World Rally-Raid Championship (W2RC) for Bahrain Raid Xtreme.