City played out a 2-2 draw with West Ham United away from home in London in the Premier League.
Aguero was the star for the Citizens, as he scored both the goals for the visiting team at the Boleyn Ground.
The Argentina international striker has taken to Twitter to admit his disappointment at the final result.
The former Atletico Madrid star has also admitted that West Ham were tough on the night.
We aren't satisfied with a tie because we needed the 3 points. It was a hard match on the home turf of a tough rival. The fight's still on!— Sergio Kun Aguero (@aguerosergiokun) January 23, 2016
Over the course of the 90 minutes at the Boleyn Ground, visitors City had 54% of the possession, took 16 shots of which just three were on target, and earned two corners.
Manuel Pellegrini’s side are second in the Premier League table at the moment with 44 points from 23 matches.
City are level on points with third-placed Arsenal and just three points behind leaders Leicester City.