County Cavan recorded one of the lowest pass rates in relation to NCT examinations across the country.
Over 55,000 cars have been declared 'illegal' by testers this year, after undergoing a full examination.
Deansgrange in Dublin has the highest pass rate in the country this year, at 62 per cent.
Meanwhile, Cavan recorded one of the lowest pass rates at just 42 per cent.
Figures recorded for Co Monaghan were only slightly better, with an NCT pass rate of just 48 per cent this year.
Overall, Derrybeg in Co Donegal had the lowest pass rate across the country this year, at 39 per cent.