Drive the Vauxhall into a wall. Make sure it is solid, as you do not want to be held liable for any vauxhall shaped marks on the wall.
If there aren't any walls nearby, drop it off a cliff.
I haven't a clue how the two compare according to the info you require. But I can give you the following info:
The Fiesta isn't !Removed!, the Vauxhall is.
You will get 1,000,000 more street cred, as it has the Ford logo on. The Vauxhall logo removes all dignity and instantly turns the owner into a mong.
All the cool people drive Fords, see the following on this owners club. The Vauxhall fans suffer erectile dysfunction, herpes and are 100% more likely to wee themselves.
Ditching a Vauxhall for a Ford results in better health, will save dolphins, end World Hunger, and after 5 years of being away from Vauxhall Ownership you will be almost as healthy as you were pre-Vauxhall.
Happy to help