850,000 MOT Failures Came Down To One Dead Bulb

More than 9.9 million UK MOTs failed in 2023 — over 1 in 5 cars tested. This 12-point countdown breaks down the most common MOT failures in Britain, from booking late and a missing locking wheel nut key to a full boot, dead number plate lamp, blowing exhaust, empty washer fluid, worn wipers, dash cams in the swept area, windscreen chips, warning lights and tyres below 1.6mm. Using DVSA and RAC data, it shows the 90-second bulb check and sub-£5 fixes that prevent a £54.85 fail and retest.