2016 Hyundai IX20 1.6L Diesel · DX16 HWT

A creeping pattern of corrosion advisories across the rear axle and underside structure is the defining feature of this 2016 Hyundai ix20's recent MOT record, despite every test having resulted in a pass. The most recent examination on 27 February 2026 produced five advisories alone, a notable concentration compared with the largely unblemished results seen between 2019 and 2023. The cluster identifies nearside outer sill corrosion (recorded as not yet compromising structural rigidity), a worn offside front lower suspension arm rear bush, a corroded nearside rear coil spring, and corroded casings on both rear shock absorbers. Earlier years were notably quieter, with only isolated brake and wiper advisories in 2025, 2024, and 2020, suggesting a vehicle whose roadworthiness has been acceptable but whose underbody condition is now beginning to show age-related deterioration consistent with a ten-year-old car exposed to winter road treatments. Mileage records indicate a relatively low annual accumulation of roughly 4,400 miles per year over the vehicle's life, with the odometer reading 44,058 miles at the most recent test. There are no extended gaps in the testing history and the mileage progression between tests appears steady and proportionate to the annual rate, with no sudden jumps that might indicate clocking or inconsistent use. From a mechanical standpoint, this pattern points towards lighter than average wear on major drivetrain and engine components, but the advisories flagged demonstrate that even low-mileage vehicles are not immune to age-related underbody issues such as suspension bush hardening, coil spring corrosion, and sill oxidation caused by environmental exposure rather than high mechanical loading. Brake wear advisories in 2024 and 2025 are consistent with the modest annual mileage and suggest normal service-cycle replacement rather than premature wear. A prospective buyer should focus the physical inspection on the four areas highlighted in the latest test. The nearside outer sill should be examined closely for bubbling under the paint, flaking, or any perforation through to the inner structure, paying particular attention to the jacking points and the section behind the front wheel arch where corrosion can progress unseen; tap along the sill with a knuckle to detect any hollow-sounding metal. The offside front lower suspension arm rear bush should be assessed by pushing down on each front corner with the vehicle on level ground and releasing, listening for a clonking noise over uneven surfaces, and visually inspecting the bush for cracking, splitting, or visible displacement within its mounting. On the test drive, pay attention to any knocking from the front end over speed humps or rough tarmac, which would indicate the bush wear is now resulting in excessive movement. At the rear, both shock absorber casings and the nearside rear coil spring should be inspected for surface corrosion, and the spring should be checked for any signs of cracking or fracture at the lower coil where corrosion concentrates. The test drive should include a series of slower-speed compressions over undulating roads to detect any bottoming-out, excessive bounce, or instability from the rear dampers, which would suggest the corroded casings are masking internal seal failure. The earlier advisory regarding a binding nearside front brake should be revisited by checking for residual drag when the brake is released, evidenced by a wheel that feels hotter than the opposite side after a short drive, or by pulling up gently from speed to feel whether the car tracks slightly to one side. A thorough inspection on a ramp or over a pit is strongly advisable given the underside corrosion pattern, allowing a clearer view of the rear axle, exhaust hangers, and brake pipe routing where similar degradation commonly follows the same trajectory.