Vauxhall Vectra Engine Mounts Problems

I have got a vectra 2004 hatch i have had a knocking noise from the front since had car. only does it when setting off or in the motion of stopstart stopstart. It has been to the garage and was advised it was engine mounts and exhaust mid s...

I have had my vectra for 2 years its covered 56k warrenty up in december 2011 ,Its been great up until this week when its juddering on start up, worse if starting many times in one day It even had a griding sound on start up . Could the ...