The Citizens are favourites as the two sides go head to head in the Champions League final on Saturday.
But Chelsea have beaten City twice recently - in the Premier League and FA Cup semi final.
"They're a pain in the neck, in a good way, since they're always chasing the ball," Spanish forward Torres has told UEFA's official website.
"They run a lot and they want the ball. They don't just go for counter-attacks, they also want to take the ball off you, which deserves some credit.
"City are a team which likes to have the ball, and it's sometimes very hard to take it from us, but they've done a great job against us. In fact, they've beaten us twice. I mean, you never know in a [UEFA] Champions League final.
"We're one of the best teams in the world, [so] we have to try and win it all.
"We've won the Premier [League], which is a very hard task – you have to work hard throughout the whole season to achieve it. But a Champions League final [win] would be like the icing on the cake.
"City have never won one, which is an extra motivation, and we're going to work hard in this final sprint. And we're going into it feeling really excited, because above everything else it's about enjoying it."
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