MOT rule changes: 20 May 2018 Mar 23, 2018 22:41:31 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Mar 23, 2018 22:41:31 GMT MOT rule changes: 20 May 2018 (20 March 2018)The MOT test will change on 20 May 2018, with new defect types, stricter rules for diesel car emissions, and some vehicles over 40 years old becoming exempt.www.gov.uk/government/news/mot-changes-20-may-2018www.classicandsportscar.com/news/classic-cars-over-40-years-old-gain-mot-exemption-2018