Coached by Frank Endacott and captained by Matthew Ridge, they competed in the 1998 NRL season, finishing the regular season 15th (out of 20 teams).
For 1998 the Warriors again used a similar style of jersey, produced by Nike, Inc. DB Bitter remained the major sponsor while Bartercard joined as the sleeve sponsor.
After the National Rugby League season had finished the Warriors played in two trial matches against a New Zealand XIII.
These matches acted as a trial for the New Zealand national rugby league team before the October test against Australia and the tour of Great Britain.
Due to the axing of the Reserve grade competition the Auckland Warriors reserve team played in a series of matches against New Zealand Provincial sides.