2018 Fiat 500 1.2L Petrol · NG18 LLX

The 2018 FIAT 500 presents an otherwise stable roadworthiness record punctuated by a serious failure in February 2026 that stands out against seven consecutive passes spanning from 2021 to 2025. The most recent MOT on 2026-02-19 initially showed a PASSED status but was subsequently marked as FAILED due to critical safety concerns, specifically nearside front inner tyre tread depth falling below the mandatory 1.6mm threshold and exposed ply or cords on the offside front inner tyre. While the vehicle had previously demonstrated consistent compliance through five clean tests, this single dangerous failure represents a significant deviation from its prior reliability profile and warrants immediate attention regardless of the earlier positive result that shared the same date. The mileage figure of 27,047 miles accumulated over an eight-year ownership period translates to approximately 3,381 miles per annum, which is substantially lower than typical usage patterns for a vehicle of this make and model. Such a modest annual accumulation rate may indicate extended periods of inactivity, seasonal storage, or reduced daily mileage rather than heavy daily use, and it places less cumulative stress on the engine, transmission, and drivetrain components compared to a vehicle with higher average mileage. However, the absence of substantial mileage gaps between tests suggests the vehicle was occasionally operational, yet the timing of the 2026 failure—just months before the current date of 2026-09-04—implies that the underlying issues identified in February 2026 were either unresolved or worsened over the intervening months. Focusing on the components flagged in the failure, the nearside front inner tyre requiring resurfacing or replacement due to insufficient tread depth will likely manifest as a loss of grip and increased susceptibility to hydroplaning, especially in wet conditions. The exposed ply or cords on the offside front inner tyre present a genuine structural concern that could compromise lateral containment and potentially lead to further deterioration of the tyre carcass. During a test drive, pay close attention to how the vehicle handles corners with the affected tyres—listen for any knocking or thumping over bumps, and observe steering response for any pulling or vibration that might indicate worn suspension linkages or control arm mounts connected to those wheels. A thorough visual inspection of the tyre contact patches and surrounding subframe area is essential, as the exposed cords suggest possible delamination that could progress if left unaddressed. Beyond the tyre-related failures, the nature of the 2026-02-19 adverse report implies that the underlying cause of the tyre damage—such as impact damage, road debris ingestion, or improper inflation—may still be present, and the vehicle should not be operated at high speed or loaded heavily until the root cause is diagnosed and repaired. Additionally, given the proximity of the tyre issues to the braking system, it would be prudent to have the brake lines and caliper assemblies inspected for any secondary effects such as fluid contamination or heat soak that could have contributed to the tyre exposure. The combination of the low mileage profile and the recent dangerous failure means that while the bulk of the drivetrain appears intact, the immediate priority is resolving the tyre and suspension integrity issues before considering the vehicle suitable for regular road use.