2015 Citroen C4 1.6L Diesel · SW65 UNS

The most recent MOT test on 2025-10-15 resulted in a passing grade, but the overall maintenance trend over the past two years is mixed rather than consistently robust. While the vehicle has not failed any MOT since 2023, the recurring advisories—particularly those related to suspension components, tyre wear, and minor exhaust leaks—suggest a pattern of wear that has persisted or worsened incrementally. The presence of multiple ball joint advisories, including the near-side front suspension arm ball joint with slight play and the offside front anti-roll bar ball joint with slight play, indicates progressive wear in these critical suspension elements. Additionally, the front brake disc being worn but not excessively, combined with the registration plate lamp inoperability, highlights areas requiring closer attention to prevent escalation. The fact that the vehicle passed the latest MOT despite these advisories does not mitigate the need for proactive maintenance, as minor issues can deteriorate over time, especially with the vehicle’s high mileage. The recorded mileage of 364,916 miles for a vehicle aged approximately 11 years represents a usage rate of around 33,174 miles annually, which is significantly higher than the typical annual mileage for a similarly aged car. Such high mileage, particularly without evident long periods of inactivity, accelerates wear on consumables such as brake pads, suspension components, and tyres, as well as the internal components of the engine and transmission. The advisories regarding tyre wear close to the legal limit—particularly on the offside front tyre—further underscores the need for vigilance, as uneven or excessive tyre wear can lead to reduced traction, increased fuel consumption, and premature tyre failure. Additionally, the oil leak advisory suggests potential issues with the oil seal system, which, if left unaddressed, could result in increased oil consumption, engine sludge formation, or even catastrophic engine damage over time. For a prospective buyer, this Citroën C4 presents a vehicle that demands thorough inspection beyond the MOT history due to its high mileage and recurring advisories. During a test drive, listen for signs of excessive suspension noise, particularly clunks or rattles from the front suspension arms or anti-roll bar, which may indicate further wear or failure of the ball joints. Inspect the tyres closely for signs of uneven wear patterns, lateral grooves, or sidewall damage, as these can compromise handling and safety. Check for any fluid leaks under the vehicle, particularly around the oil pan, valve cover, and exhaust manifold, and verify that the oil level is adequate and that the oil is not dark or contaminated. Additionally, examine the brake system for any signs of pulsation or shudder during braking, which could indicate warped discs or binding calipers, and ensure the brake fluid is free of moisture and at the correct level. Given the advisories on the front brake discs, consider replacing them if they show signs of significant thinning or corrosion, especially if the vehicle is driven frequently. Beyond the immediate inspection, the buyer should prioritise addressing the suspension ball joints and anti-roll bar ball joint issues promptly. These components are critical for vehicle stability and handling, and their continued wear can lead to alignment problems, uneven tyre wear, and even suspension failure. Schedule a professional inspection to assess the extent of the ball joint wear and replace them if necessary, ideally before they develop further play or fail completely. The oil leak should be investigated to identify the source and prevent further oil loss, which could lead to increased engine wear or overheating. Lastly, since the vehicle’s high mileage suggests regular use, ensure that all fluids—including engine oil, brake fluid, coolant, and transmission fluid—are serviced according to the manufacturer’s recommendations, even if the vehicle has not been driven extensively in recent months. Calendar-based servicing is particularly important for high-mileage vehicles to mitigate the effects of prolonged inactivity, such as fluid degradation or condensation in the engine bay.