Yes, it is rare. 2003 is the only year they made the color Brickyard. After that they switched to Interlagos Fire which has more brown in it.
Production of 2003 Brickyards is Base 92 - Enth. 468 - Perf. 304 - Tour. 976 - Track 241 - Total 2,081
So this is one of only 976 made