The NCT test centre in Deansgrange in South Dublin had the higher pass rate than any other centre in the country last year.
The center in Derrybeg in Donegal had the lowest.
The figures compiled by Independent.ie also reveal that a total of 14 testing centres had pass rates below 50 percent including Ballina and Castlerea, while Westport had a pass rate of 50.24%.
Deansgrange was the busiest testing facility last year, seeing 86,374 cars come through its doors. This compares to just 3,326 vehicles tested in Cahirciveen, Co Kerry, which had a pass rate of 51.74 per cent while the national average was 54.29 per cent in 2022.
At just over 40 per cent Derrybeg in Donegal had the lowest success rate of 49 NCT centres. Motorists getting their cars tested in Cavan town and Clifden in Galway also faired badly, with just 42.25 per cent and 43.96 per cent of cars passing inspection in the last 12 months.
A total of 14 testing centres had pass rates of below 50 per cent while the national average was 54.29 per cent in 2022 up more than 1.5pc on the previous year.