Some vehicles are believed to be stolen, two from the Republic of Ireland. A man aged 29 has been arrested.
BMWs, Volkswagens, Citroens, Mercedes, Chryslers and Saabs were among makes recovered from premises at Crossan Road in Newry, according to the Police Service of Northern Ireland (PSNI).
A lorry, tools, engine parts and documents have also been confiscated.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? firstname.lastname@example.org