Citizens were frustrated by the home team's discipline and solid defense.
This draw means Pep Guardiola's squad only gained one point and remains in second place in the Premier League standings with 41 points from 19 matches. The Citizens are now four points behind leaders Arsenal.
On the other hand, Sunderland is in seventh place with 29 points, as reported by the official English Premier League website.
Manchester City surprised the hosts in the sixth minute. Erling Haaland's cross was met by Bernardo Silva from close range and into the net.
However, the goal was disallowed as Silva was in an offside position. Sunderland played a disciplined and unwavering fightback.
