2013 Fiat 500 0.9L Petrol · AE63 NFF

The 2013 Fiat 500 presents a mixed maintenance picture that has deteriorated sharply in its most recent test cycle. The most recent MOT on 5 December 2025 at 78,996 miles resulted in a failure with multiple serious defects, including a major exhaust leak at the downpipe-to-flexi joint, an excessively binding nearside front brake caliper, a worn and pitted front brake disc, and thin nearside front brake pads. The same test also flagged an exhaust lambda reading outside specified limits after the second fast idle, indicating a combustion or emissions system fault beyond simple component wear. A clean pass recorded on the same date at the same mileage suggests a retest following repairs, but the nature and quality of those repairs remain unverified. The overall trend is not stable. Comparing the December 2024 failure at 72,981 miles, which flagged a major exhaust leak at the front flexi pipe, a worn offside rear damper upper bush, and a badly distorted offside rear wheel, the vehicle has continued to accumulate significant mechanical and structural advisories year on year. The recurring exhaust failures in consecutive years point to either a poorly repaired system or ongoing corrosion issues common in older Fiat 500s used for short trips. The mileage progression tells a broadly consistent story. Between 23 December 2023 at 66,470 miles and 11 December 2024 at 72,981 miles, the car covered 6,511 miles in roughly twelve months. From 11 December 2024 to 5 December 2025, it added another 6,015 miles. This equates to approximately 6,077 miles per year over the vehicle's thirteen-year life, which is typical for a small city car. There are no suspicious mileage gaps or sudden drops that would suggest odometer tampering or prolonged periods off the road. The annual mileage is steady and unremarkable, meaning the wear pattern should reflect typical urban use rather than neglect through underuse or excessive high-mileage strain. A buyer inspecting this vehicle in person should focus on the components that have repeatedly failed. The exhaust system demands particular attention. Two consecutive major exhaust leaks at different points in the system, first at the front flexi pipe in December 2024 and then at the downpipe-to-flexi joint in December 2025, suggest either a pattern of corrosion or previous patchwork repairs rather than a single isolated fault. Have the full exhaust inspected for heat damage, poor welds, and flexi pipe cracking. The braking system also warrants close scrutiny. The binding nearside front caliper flagged in the December 2025 failure is a concern that may persist if the caliper slide pins or piston have not been properly rebuilt or replaced. Check for uneven pad wear, disc scoring, and whether the car pulls to one side under braking. The worn and pitted front brake disc from the same test should have been replaced, but verify this visually rather than relying on paperwork alone. The December 2024 failure also raised a structural advisory regarding rear subframe corrosion, noted as rusted but not seriously weakened. On a thirteen-year-old Fiat 500 with consistent annual mileage, subframe and underbody corrosion is a known risk, particularly if the car has been used for short urban journeys that prevent the underbody from drying out. Inspect the rear subframe mounting points, suspension mounting points, and inner wing arches with a torch and probe. The worn offside rear damper upper bush and the badly flagged offside rear wheel distortion from the same year further suggest the rear suspension and wheel integrity need hands-on verification. A clean MOT pass on paper does not confirm that these underlying issues have been permanently resolved rather than simply masked for the retest.