2018 KIA Stonic 1.6L Diesel · HA11 EEC

The latest MOT test for the 2018 Kia Stonic on 2026-06-17 resulted in a passing grade, though it was accompanied by several advisories that indicate ongoing wear issues requiring attention. While the vehicle has not failed since 2024, the presence of persistent front brake advisories—including worn brake discs and thinning pads—suggests a maintenance trend that has not fully resolved. The rear brake failure in 2025, marked as dangerous due to excessively worn offside rear brake pads and a severely compromised disc, highlights a critical flaw that should have been addressed promptly. This pattern of recurring advisories, particularly in the braking system, suggests either inadequate past servicing or gradual, cumulative wear that has not been mitigated effectively over time. The vehicle’s mileage of 70,345 miles at the time of this assessment represents a reasonable annual usage rate of approximately 8,793 miles per year, which is typical for its age and likely reflects a mix of regular driving and periods of inactivity. The consistency in mileage accumulation over the past eight years indicates a steady but not excessively high demand on the vehicle’s components, reducing the likelihood of extreme wear from rapid mileage accumulation. However, the absence of a recent service history or detailed maintenance records means that any prolonged periods of standing or infrequent use could have contributed to issues such as brake corrosion, fluid degradation, or tyre perishing from exposure to the elements. For a prospective buyer, the most critical areas to inspect are the braking system, given the recurring advisories and the 2025 failure. The front brake discs and pads are worn but not yet critically so, yet their continued thinning demands immediate attention to prevent skidding or reduced stopping performance. On a test drive, listen for uneven brake pedal response, a spongy feel, or excessive vibration, which could indicate warped discs or internal brake pad issues. Inspect the rear brake pads and discs for further deterioration, particularly the offside components, which were already severely compromised in 2025. Check for any signs of brake fluid leaks, which may suggest failing brake lines or seals, and verify that all brake lights operate correctly. Beyond the brakes, examine the tyres closely, as the advisories mention slight damage or perishing on both front tyres. Look for sidewall cracking, which can weaken the tyre structure and lead to blowouts, especially in older vehicles exposed to UV degradation. The rear wiper blade split noted in 2021 should be replaced promptly, as worn wipers reduce visibility and pose a safety risk. Given the vehicle’s age and mileage, check the suspension for signs of wear, such as clunking noises from worn suspension bushes or coil springs, and inspect the exhaust system for leaks or corrosion, which could affect emissions and structural integrity. Additionally, verify the 12V battery health, as prolonged standing or infrequent use can lead to corrosion or a weak battery, which may cause electrical gremlins or starting difficulties. Finally, ensure that all fluids—brake fluid, coolant, and transmission fluid—are at optimal levels and not showing signs of degradation, as older fluids can fail prematurely. If possible, obtain a service history to confirm that fluid changes and other maintenance tasks have been performed according to Kia’s recommended intervals.