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. 16. The 14-race championship for Daytona Prototypes (DP) and 13-race championship for Grand Touring (GT) cars began January 26, 2008 and concluded on September 20, 2008. New Jersey Motorsports Park replaced Iowa Speedway. 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. In the GT class, Kelly Collins and Paul Edwards won the drivers' championship and brought Pontiac the manufacturers' championship.
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.
All races will be shown in the United States and Canada on Speed Channel with the exception of the first 90 minutes of the Rolex 24 at Daytona, which will be shown on Fox.The Rolex 24 at Daytona will be broadcast in high-definition for the first time ever.The series will also be broadcast to Europe, Latin America, and South America by SportKlub and Speed Latin America.The ESPN Family of Networks will broadcast one-hour highlight shows to other countries not receiving full broadcasts.For 2008 all participants will use Pirelli P-Zero racing tires until the end of 2010 season before Pirelli return to Formula One in 2011.A driver must now drive at least 30 minutes in a race to receive championship points.Safety car pit lane procedure has changed:DP cars pit on first lap after pit lane opensGT cars pit on second lap after pit lane opensMay 27, 2008:Corvette prep 2 w/ solid axle minimum weight reduced to 2,575 lb (1,168 kg).Pontiac GTO and GXP.R minimum weight increased to 2,800 lb (1,300 kg). w/ solid axle or 2,912 lb (1,321 kg). w/ DP transaxlePontiac GTO and GXP.R maximum rear weight percentage reduced from 51% to 49%June 17, 2008:Porsche 911 minimum ride height decreased from 3.5 inches (89 mm) to 2.5 inches (64 mm)†: Did not complete 30 minutes of driving, and was not awarded points
Tiebreakers: Driver with the highest number of superior finishes is ranked higher