2023 KIA Niro 3 EV Electricity · DF72 UBZ

The most recent MOT, conducted on 6 February 2026, resulted in a pass but recorded three advisories: the nearside and off‑side front tyres were noted as being worn close to the legal limit and the rear brake discs exhibited surface rust from standing. The previous test, a year earlier, also passed with no defects recorded. This pattern shows a generally stable maintenance record with no outright failures, yet the tyre wear advisory indicates that consumables are beginning to approach the end of their service life and the rear disc corrosion, while not yet a failure, warrants monitoring. With 17 855 miles logged on a three‑year‑old 2023 Kia Niro EV, the vehicle averages roughly 5 950 miles per annum, well below the typical UK usage of around 10‑12 000 miles a year. Such low annual mileage usually translates to reduced wear on suspension components, brakes and drivetrain, but it can also imply periods of prolonged inactivity. Extended standing can promote surface rust on brake rotors and encourage tyre sidewall ageing, even when tread depth remains acceptable. Prospective buyers should give the front tyres a thorough visual and tactile inspection. Confirm that the tread depth exceeds the 1.6 mm legal minimum and look for sidewall cracking, bulges or uneven wear that could signal mis‑alignment or worn suspension bushes. On a test drive, listen for any humming or thumping from the front wheels and feel for a loose or wandering steering feel. The rear disc rust should be examined for pitting or scoring; any pulsation in the brake pedal, shuddering under moderate braking, or a noticeable increase in pedal travel may indicate that the rotors will need resurfacing or replacement soon. Verify that the brake pads still have adequate material and that the calipers move freely without sticking. Given the vehicle’s electric powertrain, battery health is a primary concern. Request a recent high‑voltage battery state‑of‑charge and capacity report from a Kia dealer or a qualified EV specialist, and check that the coolant for the battery thermal management system is at the correct level and appears clean, as coolant degradation can affect both battery longevity and charging performance. Inspect the 12 V auxiliary battery for corrosion on terminals and ensure it holds charge, especially if the car has spent long periods idle. Finally, examine the under‑carriage for any signs of corrosion or water ingress, and verify that the service book contains records of the scheduled 4‑year coolant change and any software updates, as these are critical to maintaining the EV’s reliability and range.