The 2008 Rolex Sports Car Series season was the ninth season of the Grand-Am Rolex Sports Car Series presented by Crown Royal Cask No.
At 15 races, it was the longest Rolex Sports Car Series season.
Chip Ganassi Racing drivers Scott Pruett and Memo Rojas won the DP drivers' championship, with Riley and Pontiac won the chassis and engine manufacturers' championships, respectively.
All 200 or 250-mile (400 km) events have a maximum time limit of 2 hours and 45 minutes.
2008 season marked New Jersey Motorsports Park's Rolex Sports Car Series debut.