it's a stupid rule as it's mainly the new cars that have the faults. look how many are recalled to to things that would make driving unsafe!
dont be daft.
firstly, a recal is not nessacarily an MOT failure.
secondly, if you look after your car in the first three years then it should fly through its mot and the vast majority do.
comparing a 3year old car to an older car is no comparison. older cars are exactly that - OLD.
if you take a new car and rag the mother to death then yes, it'll probably fail its first mot.
having said all that, what is worrying is the amount of friends i have with 3 year old Mk4 Golfs which have failed their mots on fairly serious things. i find it very odd that a "quality" car can fail on things so badly when my "cheap" Fiat Bravo had twice the mileage and passed without batting an eyelid. Me think VWs quality control leaves something to be desired.