No, because Rachel was drowning in self pity by week 3 and looked defeated when landing in the sing off again in Week 4.
The reason why Saara is so different and has rebounded spectacularly is because of her winning, positive attitude. Simon even alluded to it tonight. She has taken so many knocks but has never looked defeated, and because of it she has won over the British voting public. It would have been easy for Saara to simply "resign" to her fate like Ryan did this series, but she didn't and is an inspiration to all.