2015 Citroen C4 1.6L Diesel · DS65 ABF

The most recent MOT tests for this 2015 Citroën C4, conducted just over two years ago in May 2025, reveal a concerning pattern of repeated failures despite no recorded defects. Both the 2025 tests—conducted on the same day and at identical mileage—were marked as failed, though the absence of specific fault codes leaves the exact cause ambiguous. This suggests either a systemic issue with the test centre’s data entry or, more likely, a vehicle that narrowly missed passing on critical but non-reportable criteria, such as minor corrosion, worn suspension bushes, or failing emissions. The lack of advisories in prior tests further implies that while the car may have passed on paper, it has likely experienced intermittent mechanical issues that were either overlooked or deferred. The trend is neither improving nor worsening in a clear direction, but the repeated failures at the same mileage point to a vehicle that has not been consistently maintained or may have underlying structural concerns. The recorded mileage of 61,598 miles over approximately 11 years—roughly 5,600 miles annually—sits below the average for a vehicle of this age, suggesting either light usage or prolonged periods of inactivity. The gaps between tests are consistent at one year, with no rapid mileage spikes or prolonged periods of neglect. However, the low annual mileage could also indicate deferred maintenance, as owners may delay servicing when a car is driven infrequently. The most notable observation is the identical mileage at both 2025 tests, which implies the vehicle was not driven between them—a red flag for potential pre-test repairs or a test centre error. Without additional service records, it’s impossible to confirm whether critical components like brakes, suspension, or exhaust systems have been properly serviced or replaced. Given the repeated MOT failures and the absence of specific fault details, a buyer should prioritise a thorough inspection of the suspension system, particularly the coil springs, bushes, and dampers, as these are common failure points in older Citroën models. The brakes—especially the rear calipers and discs—should be checked for binding or excessive wear, as repeated failures often stem from brake-related issues. Structural integrity is another concern; corrosion in wheel arches, sills, or the subframe could have gone unnoticed, particularly if the car has spent time in wet or salted environments. Emissions systems, including the catalytic converter and oxygen sensors, may also require verification, as these are frequently the cause of MOT failures without visible defects. Finally, the condition of the exhaust should be examined for leaks or excessive rust, as these can contribute to both emissions failures and structural weakening over time.