entry to the 1999 Rally GB held that November due to a scheduling conflict. In July 2000, Franchitti took part in a two-day test session for the Jaguar F1 team in its R1 car at Silverstone. He made his endurance racing debut at the 2005 24 Hours of Daytona of the Rolex Sports Car Series, sharing Howard-Boss Motorsports's No. 2 Pontiac Crawford DP03 entry with Milka Duno, Marino Franchitti and Wheldon. They finished 16th in the Daytona Prototype class and 33rd overall after Duno crashed with less than six hours left. In 2006, Franchitti again entered the 24 Hours of Daytona, this time with CITGO Racing/SAMAX Motorsport in its No. 7 Riley MkXI DP-Pontiac alongside Duno, Marino Franchitti and Kevin McGarrity, finishing eighth overall after mechanical trouble. He, Herta and Kanaan won the Le Mans Prototype 2 (LMP2) category at the 2007 12 Hours of Sebring (part of the American Le Mans Series) and finished second overall in AGR's No. 26 Acura ARX-01 car. Franchitti and Herta then came sixth in the Toyota Grand Prix of Long Beach. He won the 2008 24 Hours of Daytona with Montoya, Scott Pruett and Memo Rojas, completing 695 laps in the No. 01 Chip Ganassi Racing with Felix Sabates (CGRFS) Riley-Lexus car. Franchitti partnered David Brabham and Scott Sharp in Highcroft Racing's No. 9 Acura ARX-01B LMP2 entry at the 2008 Petit Le Mans, retiring after 16 laps when Sharp crashed the car. In 2009, he, Alex Lloyd and Pruett finished the 24 Hours of Daytona fifth in CGRFS' No. 02 Riley-Lexus vehicle. Franchitti also raced alongside Brabham and Sharp at Highcroft Racing, sharing the No. 9 Acura ARX-02a Le Mans Prototype 1 (LMP1) car for both the 12 Hours of Sebring and the Petit Le Mans, retiring with transmission failure at Sebring and finishing sixth at Road Atlanta. He entered the 2010 24 Hours of Daytona alongside Dixon, Jamie McMurray and Montoya at CGRFS in a Riley MkXX-BMW vehicle in 2010, finishing 37th due to mechanical failure. Franchitti joined Dick Johnson Racing as Steven Johnson's international co-driver in its No. 17 Ford FG Falcon for the 2010 Armor All Gold Coast 600 double header event of the V8 Supercar Championship Series, finishing the first race 16th and Johnson crashed in the second. He returned to the 24 Hours of Daytona in both 2011 and 2012 alongside Dixon, McMurray and Montoya at CGRFS,