2018 Hyundai I30 1.4L Petrol · EN67 DMX

The defining mechanical story for this 2018 Hyundai i30 centres on a single but significant brake-related failure that interrupted an otherwise stable roadworthiness record. Six MOT tests are recorded, with the most recent event on 10 December 2025 producing both a pass and a fail on the same day. The failure items are serious: insufficient reserve travel on the brake lever, parking brake efficiency below requirements, a rear brake binding advisory, and rear brake pads wearing thin. While the car subsequently passed after presumably addressing these issues, the failure itself points to a rear brake system that had been allowed to deteriorate to a non-compliant state. Earlier tests in 2022 and 2020 were recorded clean, but the cluster of issues emerging from 2021 onwards, covering tyres, wipers, and now the brake system, suggests accelerating component wear rather than isolated incidents. A prospective buyer should treat the rear brake assembly as the primary mechanical focus of any inspection. Against an age of roughly eight years, the recorded mileage of 83,094 equates to an annual accumulation of approximately 10,387 miles, which is broadly typical for a vehicle of this type and age. There are no significant gaps in the annual testing pattern, with tests recorded every year from 2020 through 2025, suggesting the vehicle has remained in consistent use rather than being laid up for extended periods. This steady annual mileage, combined with the absence of long stationary intervals, means wear-related deterioration on consumables such as brake components, tyres, and suspension items should be expected to follow a normal ageing curve. The absence of mileage gaps also means there is no particular concern around stale fuel, seized calipers from disuse, or corroded brake lines that might otherwise accompany a long lay-up, but equally the brake binding advisory suggests the rear caliper mechanism may not be returning cleanly under normal use. For a pre-purchase inspection, the rear brake system demands the closest scrutiny. On a test drive, listen for any dragging or groaning noise from the rear wheels, particularly after the car has been driven and then left parked for a short period, as a binding caliper can generate excessive heat and a characteristic smell. Check for rear wheel pulling under light braking, uneven brake disc wear visible through the wheel spokes, and a parking brake that requires excessive lever travel or fails to hold the vehicle on an incline. Inspect the rear brake pads and discs directly through the wheel apertures for wear and lip formation, and verify that the handbrake mechanism, cables, and rear caliper slide pins are functioning freely. The brake fluid should also be assessed for age and condition given the lever travel issue recorded, as a spongy pedal feel could indicate fluid degradation contributing to the reserve travel problem. The tyre advisories form a secondary but consistent theme across the record, appearing in four of the six tests and including edge wear on the offside front and offside rear in 2021, perishing on both rear tyres in 2020, and further edge wear advisories in 2023 and 2024. On inspection, check all four tyres for uneven shoulder wear, which can indicate suspension geometry issues such as worn front wishbone bushes, anti-roll bar drop links, or weak coil springs. Pay particular attention to the rear inner edges, as the pattern of inner-edge wear on the offside rear suggests possible camber misalignment, potentially linked to worn rear suspension bushes or a sagging rear coil spring. A road test over uneven surfaces should reveal any knocking from the front suspension, vague steering, or a rear end that feels unsettled over bumps, all of which would warrant further investigation beneath the vehicle.