2021 KIA Niro 2 Phev S-A 1.6L Hybrid electric · AO71 MYZ

The 2021 Kia Niro 2 PHEV presents with a current valid MOT certificate, having passed its most recent test on 23 January 2026. While the vehicle achieved a pass, the examiner recorded an advisory concerning the rear tyres, noting slight damage, cracking, or perishing on both items. The previous test on 27 November 2024 recorded no defects whatsoever. The maintenance trend is therefore broadly stable, though the advisory at the most recent test introduces a clear point of attention. Given the vehicle's age of five years, any perishing observed on the rubber compound warrants prompt replacement rather than further monitoring, as aged sidewalls can compromise structural integrity even when tread depth remains adequate. Annual mileage stands at approximately 10,843 miles, which is broadly typical for a five-year-old plug-in hybrid vehicle. This figure suggests neither excessive long-distance wear nor extended periods of standing, both of which present their own mechanical concerns for PHEV powertrains. The recorded gap between the 2024 and 2026 tests is consistent with normal test cycle intervals, and the mileage accumulation between these points suggests the vehicle has been used regularly, which is generally beneficial for maintaining battery health, brake disc surface condition, and preventing moisture accumulation within the engine and transmission components. Regarding the advisory on the rear tyres, a prospective buyer should conduct a careful physical inspection of the sidewalls for visible cracking, particularly in the flex zones near the tread shoulder and bead area. Aged tyres on a five-year-old vehicle frequently exhibit perishing that may not be immediately apparent, and replacement should be undertaken in pairs on the same axle to maintain balanced handling and braking performance. Beyond the recorded advisory, attention should be directed towards the 12V auxiliary battery, which in PHEV models powers the conventional vehicle electronics and is susceptible to depletion if the vehicle is left standing or driven predominantly on electric power without sufficient combustion engine running time. A voltage test or battery health check via diagnostic equipment is advisable, as a failing 12V battery can manifest through warning lights, infotainment faults, or no-start conditions. Given the hybrid powertrain, particular scrutiny should be applied to the brake system, as regenerative braking reduces wear on friction materials but can lead to corrosion accumulation on the discs due to infrequent use of the mechanical braking action. During a test drive, listen for any binding or dragging sensation from the calipers, and inspect the disc surfaces for lipping or uneven corrosion. Additionally, verify that the high-voltage battery cooling system has been serviced or inspected, and confirm the presence of a complete service history documenting both the combustion engine components and the hybrid system health checks. Tyre age markings on the sidewall should be cross-referenced with the manufacturing date code, as tyres fitted when the vehicle was new may now be approaching the end of their serviceable life regardless of remaining tread depth. A thorough road test should include verification of smooth transitions between electric and combustion propulsion, with any unusual noises, warning indications, or rough idling from the petrol engine warranting further investigation prior to purchase.