2021 Mazda MX-30 Sport LUX EV Electricity · LS71 ENH

The most recent MOT on 25 August 2026 was passed, but it carried two advisories: all four tyres were noted as slightly damaged, cracking or perishing and the rear brake disc was described as worn, pitted or scored though not yet seriously weakened. The preceding three annual tests were clean, with the only prior advisory being a near‑side rear nail in 2025. This pattern suggests a generally stable maintenance record that is now beginning to show the early effects of age and low‑usage wear, particularly on the tyre set and rear disc. At five years old the MX‑30 has logged 21,176 miles, an average of roughly 4,200 miles per year, which is well below the typical UK average for a vehicle of this age. Such low utilisation often points to extended periods of standing rather than high‑kilometre wear. While this reduces the cumulative stress on suspension bushings, steering components and drivetrain bearings, it can accelerate tyre perishing, brake disc corrosion and the gradual loss of electrolyte capacity in both the high‑voltage traction battery and the auxiliary 12 V battery. When inspecting the car, give the tyre condition particular attention. Look for visible sidewall cracks, dry rot or bulges, and verify tread depth on all four wheels. A tyre with a nail in the outer edge may have a slow leak; check that the tyre holds pressure when inflated and listen for any hissing during a short drive. On the road, feel for any vibration or shudder when applying the brakes, especially from the rear, which could indicate the pitted disc is nearing the end of its service life. If the brake pedal feels soft or you hear a faint grinding, the disc may need resurfacing or replacement soon. For an EV of this age, the high‑voltage battery health is a critical consideration. Request a recent battery management system report or have a qualified dealer perform a state‑of‑health check; look for any loss of range beyond normal degradation (typically 2‑3 % per year). Verify that the 12 V auxiliary battery is not excessively discharged, as prolonged standing can cause it to fail and affect electronic systems. Inspect the under‑carriage for any corrosion on the chassis, brake caliper pins and wheel bearings, and ensure the vehicle has been kept dry and protected from salt exposure. Finally, confirm that the service book shows regular software updates and any scheduled coolant‑to‑inverter or brake fluid changes, even though the MX‑30’s brake system is largely regenerative, to guarantee all time‑based maintenance has been observed.