2016 Hyundai I30 1.6L Diesel · EY66 NVR

The defining mechanical story of this 2016 Hyundai i30 centres on a rear brake system failure flagged at the September 2025 test, which sits within an otherwise largely unremarkable MOT history. Across five recorded examinations spanning 2022 to 2025, the vehicle achieved clean passes in 2022, 2023, and 2024, with the only interruption prior to this year being a driver's view advisory in 2024 and minor tyre wear noted in 2022. The 2025 test produced a dual outcome on the same date: a pass accompanied by front brake disc wear advisories, and a failure recorded due to dangerously thin offside rear brake pads measuring less than 1.5 mm, alongside a rear brake disc showing pitting and scoring and a minor rear position lamp defect. This represents the first and only failure on the record, and the braking component wear appears concentrated at the rear axle rather than reflecting a systemic decline across multiple systems. With 50,082 miles recorded over a ten-year lifespan, the vehicle averages approximately 5,008 miles annually, which is low for a car of this age and indicates either restricted usage or extended periods of inactivity. Such low annual accumulation typically results in slower wear of major drivetrain components, but it can also accelerate deterioration of rubber and polymer items due to prolonged standing, and it raises the likelihood that brake and suspension components experience corrosion through lack of regular use. The MOT testing pattern shows consistent annual attendance from 2022 onwards, suggesting the vehicle has remained in active use during this period rather than being laid up for any extended stretch, though the absence of earlier test records leaves the first six years of the vehicle's life unverified by DVSA documentation. For a prospective buyer, the immediate priority is a thorough inspection of the rear braking system, which must be independently assessed regardless of any subsequent remedial work. The offside rear pads were measured at less than 1.5 mm at the September 2025 test, which is the minimum threshold for a dangerous failure, and the nearside rear disc was noted as pitted and scored. On inspection, the rear discs should be checked for lipping, ridging, and surface corrosion beyond what light scoring would explain, as pitted surfaces can compromise braking efficiency and lead to pad wear irregularity. The caliper mechanisms and handbrake operation should also be examined, as low-mileage vehicles are prone to caliper seizure from infrequent use. During a test drive, listen for any scraping or grinding from the rear axle, feel for any pulling to one side under braking, and confirm the handbrake holds the vehicle securely on an incline. The front brake discs recorded wear advisories at both the pass and fail on the same day in September 2025, indicating they are approaching but have not yet reached the replacement threshold. On examination, measure disc thickness against the manufacturer's minimum specification stamped on the disc itself, and check the inner and outer friction surfaces for hot spots, blueing, or uneven wear patterns. The nearside front tyre advisory from 2022 and the under-tray fitment note from the same test are historical and not current concerns, though a buyer should still confirm current tyre condition and tread depth across all four corners. Given the low annual mileage and the rear brake failure, a precautionary check of all brake hydraulic flexi hoses, the fluid condition and moisture content, and the suspension linkages and bushes is advisable, as these items degrade with age irrespective of mileage and would benefit from a visual inspection prior to purchase.