2011 Citroen C1 1.0L Petrol · FH11 AAZ

A chronic pattern of front suspension arm pin and bush wear, coupled with progressive underbody and subframe corrosion, defines the mechanical trajectory of this fifteen-year-old Citroen C1. The most recent test on 29 November 2025 returned a pass, but the advisory for worn front suspension arm pins or bushes offside and nearside rear bush marks the fourth consecutive year this exact component has been flagged, indicating a persistent deterioration rather than a one-off observation. Surface corrosion under the body has likewise been noted across multiple consecutive tests, and in 2022 it escalated to specifically identify the rear subframe showing surface rust alongside corroded rear brake pipes, suggesting that corrosion protection in this area is weakening with each winter exposure. A PRS failure on the same 2022 visit for insufficient windscreen washer fluid is a minor operational lapse rather than a structural concern, while the taped nearside front mirror noted in 2023 hints at prior cosmetic damage that warrants a closer look at the mirror housing integrity. The 2024 record additionally identified a leaking rear exhaust, which combined with the brake pipe corrosion, signals that underbody component degradation is gradually advancing. The recorded mileage of 99,322 miles over a fifteen-year lifespan equates to an average annual accumulation of roughly 6,621 miles, which sits comfortably within the typical range for a vehicle of this age and class. There are no notable gaps in the MOT testing history to suggest extended periods off the road, and the steady progression between tests implies consistent use rather than long-term storage that might bring its own complications such as seized brakes or deteriorated rubber. At this mileage, the small three-cylinder engine and manual transmission will have accrued substantial wear, with attention typically required for clutch actuation, timing chain stretch, and minor oil seepage from engine seals, though none of these specific items have yet appeared on test records. For a prospective buyer, the front suspension wear is the priority inspection point given its recurrence across four consecutive advisories. On a test drive, listen for clonking or knocking noises from the front end over speed humps and uneven surfaces, and feel for any vagueness or delay in steering response that could indicate the worn pins are approaching excessive movement. The condition of the rear suspension bushes, specifically those on the trailing arm assembly common to this platform, should be checked by rocking the rear wheel laterally at the bottom to detect free play that would suggest replacement is imminent. Given the escalating corrosion advisories, a thorough underbody examination from beneath the vehicle is essential, paying particular attention to the rear brake pipes for any pitting or flaking that could lead to a future MOT failure or fluid leak, as well as the rear subframe mounting points for any perforation that would compromise structural soundness. The rear exhaust noted as leaking in 2024 should be inspected for its present condition, as a further twelve months of corrosion could now warrant replacement, and starting the vehicle from cold will reveal any rough running or timing chain noise characteristic of higher-mileage C1 units. Brake pedal feel should be assessed for sponginess or excessive travel, which combined with the corroded rear pipe history could indicate fluid contamination or a master cylinder issue developing. Finally, verify that the windscreen washer system is fully functional and that the nearside mirror is securely mounted rather than relying on tape, as both are simple but easily overlooked items that have previously attracted test attention on this particular car.