Simple solution to MOT exemption Concerns with MOT exemption. More MOT exemption for VHIs. More Roadworthiness testing, substantial change & MOT exemption are clearer. More Posted: 180328 This week's issue of of the popular Classic Car Weekly has a letter from Rob Squire, an ex-MOT tester, who highlights a market factor which is simply buyers of classic cars will naturally prefer "something with a continuous MOT history" rather than a car which once eligible for exemption had no more annual tests or inspections. So continuing with a voluntary MOT test is both safer now and is likely to better for the market value in the longer term.