The 2006 Banquet 400 was the twenty-ninth stock car race of the 2006 NASCAR Nextel Cup Series and the third in the ten-race season-ending Chase for the Nextel Cup. It was held on October 1, 2006 at Kansas Speedway in Kansas City, Kansas before a crowd of 125,000. The 267-lap race was won by Tony Stewart of the Joe Gibbs Racing team who started from twenty-first position. Casey Mears finished second and Mark Martin came in third.