youll find that the PD engines are very good and its not a case or its a diesel its slow.
im quicker off the mark than them but cant keep up with them when overtaking opertunaties arise unless im down a gear.
its worring about the proton however were you ragging the nuts off the fabia ? remember they lose alot of torque after around 4000rpm
iirc your better to ride the torque than try and go for the redline all the time