A Monaghan car dealer says the past two years have been "extremely difficult" due to charges on cars being imported from the UK.
Dermot McGuigan, of McGuigan Motors Castleblayney, added that "supply is not meeting demand" and that car dealerships are "paying way over the odds" on cars coming into the country.
Tax changes triggered by Brexit has resulted in a 10% customs duty on some used cars coming from the UK.
In 2019, 108,000 cars were imported from the UK, but according to DoneDeal's latest Car Price Index, this figure plummeted to just over 47,000 last year.
The Car Price Index also found the cost of a used car has increased by 56% since January 2020.
Dermot says business has come to a "near standstill" and speaking to Northern Sound, he explained how the custom changes introduced last year have affected him: