The Roar played their first ever Hyundai A-League fixture on August 28, 2005 in front of a 20,725-strong crowd at Suncorp Stadium. Alex Brosque scored the Club's maiden goal before a second late in the second half to Michael Baird saw the Roar earn a 2-1 win over the New Zealand Knights.
The Roar would go on to finish sixth in their inaugural Hyundai A-League season with seven wins to their name, a record that would be bettered the following season (eight wins, fifth-placed finish) and again the in the 2007-08 season where the Club qualified for its maiden finals appearance in fourth position. The Roar progressed past Sydney FC over two legs in the Semi-Final before being outed by eventual Champions Newcastle in extra-time in the Preliminary Final.
The club would again finish third in the 2008/09 season and go out in the Preliminary Final at the hands of Adelaide United.
Brisbane Roar’s Westfield W-League side made history as the first ever Premier and Champions, hoisting the competition's first piece of silverware in January 2009 with a 2-0 win against Canberra United in the inaugural Grand Final.