Mark Warburton’s Glasgow Rangers are eight points behind leaders Celtic at the moment.
Rangers are second in the league table at the moment with 32 points from 17 matches.
Mark Warburton’s side are eight points behind leaders and Old Firm rivals Celtic, who have three games in hand.
Rangers manager Mark Warburton
Stewart, who also played for Hibernian and Heart of Midlothian, has backed the Gers to end up second.
“At the start of the season I said Rangers would finish second and I still stand by that,” Stewart wrote in The Scottish Sun.
“The last two games against Aberdeen and Hearts brought six points and were massive wins.
“Rangers got a bit of a going over at Tynecastle but they thoroughly deserved the three points at Ibrox.”
Rangers manager Mark Warburton celebrates
Rangers will face competition from Aberdeen and Hearts for the runners-up spot in the Scottish Premiership this season.
The Glasgow giants are in good form at the moment, but they need to be more consistent.
The Gers play good and attacking football, but manager Warburton needs to work on his defence.
In 17 Scottish Premiership matches so far this season, Rangers have conceded 17 goals.
Rangers will return to action on Friday evening when they take on Hamilton Academical away from home at the New Douglas Park in the Scottish Premiership.
The Glasgow giants will head into the game against Hamilton as favourites.