Spurs’ Dutch star thinks that the Citizens stuttering run of late is down to the mental pressure being put on by their rivals.
Van der Vaart insists that the White Hart Lane club can take advantage of this when they meet Roberto Mancini’s side in a couple of weeks.
“They are not so consistent any more, they have lost a few games recently, and maybe that's a little bit in their heads so we can take advantage,” he said.
“It's going to be a massive game and we're really looking forward to it. City have many good players.
“They have many individual players who can score goals and decide a game, but we are more like a team – it's going to be an interesting game.”
City were far superior in the 5-1 thrashing of Spurs at White Hart Lane earlier in the season, but the Holland international insists there will be no repeat when the sides clash in the return fixture at the Etihad Stadium.
The 28-year-old also talked up their title chances, claiming Harry Redknapp’s side have what it takes to go all the way.
“We look back at our start to the season and think: 'What if?' But at that moment City were too good,” he added.
“We are much better now and I am really looking forward to our game against them.
“After next weekend against City we will know where we stand. But everybody in the dressing room believes we can win the league.
“I think everybody knows Tottenham have a great team and if we can keep playing like this we will be one of title favourites.”
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