The 2006 Grand Prix of Portland was the fifth round of the 2006 Bridgestone Presents the Champ Car World Series Powered by Ford season, held on June 18, 2006 at the Portland International Raceway in Portland, Oregon.
The 2006 Grand Prix of Portland was the fifth round of the 2006 Ford-powered Champ Car season, held on June 18, 2006, at the Portland International Raceway in Portland, Oregon.