In 2003 GRM built a second car for the legendary touring car driver Peter Brock. It was this second car which won the 2003 Bathurst 24 Hour with Jason Bright, Todd Kelly and Greg Murphy sharing the driving with Brock. The winning car from 2002, driven by the same four drivers as the previous year, finished second, less than one second behind after 24 hours of racing. With seven minutes to go in the race, and with the two Monaros running nose to tail, Garry Rogers gave Murphy and Tander permission to race each other to the finish, with orders to respect the work put into the event by the team and not to take each other out. Tander was all over Murphy in the final four laps of the race and set the race's fastest lap of 2:14.489 with just three laps to go, while Murphy's corresponding lap time was a 2:14.499, which was his car's fastest lap of the race. Tander's last chance at snatching victory from Murphy with a last lap lunge into Murray's Corner was thwarted due to yellow flags on the last lap forcing him to stay behind and finish second. For Brock, the 2003 Bathurst 24 Hour would be his last win at Mount Panorama, and would be seen by some (including himself) as his tenth Bathurst win, despite the race not being the traditional Bathurst 1000 where he had scored his nine other wins dating back to 1972.