The Hoops boss admits that they have failed to incorporate their Moroccan international into the team with the same success as they did in their Championship-winning season
The 22-year-old has yet to score this season and was taken off at half-time during the loss at Tottenham before being left out of the squad for the home defeat to Manchester City.
Taarabt has often found himself in the headlines for the wrong reasons, in particular when leaving Craven Cottage at half-time after being substituted during the 6-0 defeat to Fulham in October.
He is again likely to be missing from QPR's starting line-up for the trip to Stoke this weekend having spent the week away on international duty with Morocco, and Warnock has now suggested he would be willing to listen to offers for the player, particularly with big spenders Paris Saint-Germain reportedly interested.
Warnock told reporters: "I would drive him over if they offer £20 million.
"You are never going to change Adel and I don't think that we have ever been hunky-dory in our relationship.
"It is just a different culture that some players have."
While Taarabt was incredibly productive as QPR romped to the Championship title last season, scoring 19 goals and notching 16 assists, the former Spurs player has found things tougher in the Premier League.
Even the signing of experienced top-flight midfielders Joey Barton and Shaun Wright-Phillips has not helped him with the step up in class, and Warnock admits he is finding it increasingly hard to fit Taarabt into the team.
He added: "You have to try and fit it into the team situation.
"We did that quite well last year but it has not quite worked out as well this year because we are playing at a different level.
"We have had to adjust the system that we play so it has been very difficult to get Adel into our system at the moment."