2011 Hyundai I20 1.2L Petrol · BL11 UPN

The defining mechanical story of this 2011 Hyundai i20 is its struggle with front-end wear and exhaust integrity, culminating in a failed test on 27 July 2026 followed by a pass the next day. The failure was driven by three major defects: a fractured exhaust leaking gases upstream of the catalyst, non-functional nearside and offside front position lamps, and the resulting inability to complete an emissions check. A day later, after presumably replacing the lamps and repairing the exhaust, the car passed with only a single advisory for a nail in the offside front tyre. The exhaust leak itself is a concern, as corrosion on a fifteen-year-old car tends to recur once it begins; buyers should expect the possibility of further exhaust section replacements. The position lamp failures, while likely a simple bulb or connector issue, warrant confirmation that the underlying wiring and earth points are sound, particularly on a vehicle of this age exposed to typical UK moisture and road salt. With 113,917 miles recorded over fifteen years, the i20 has covered roughly 7,594 miles annually, a broadly typical accumulation that suggests consistent rather than erratic use. There are no extended gaps in the MOT record to indicate long periods of standing, which is positive because prolonged inactivity on older vehicles can accelerate corrosion of the underbody, exhaust hangers, and brake hydraulic seals. Equally, there is no evidence of a sudden mileage spike between tests that would imply a misread odometer or clocked history; the progression between annual tests appears steady. This level of use means consumables such as brake pads, discs, tyres, and suspension bushes have been worked regularly rather than seizing through disuse, though the advisories themselves show those components are reaching the natural end of their functional life at this mileage. The recurring advisories across 2024 and 2025 point to several areas a buyer must inspect closely on a test drive. The 2024 test recorded rear brake pipe corrosion under a covering of grease; while greased pipes can pass, this is a recognised method of masking active surface rust, and the pipes should be physically inspected for pitting or flaking, as a corroded brake line under hydraulic pressure is a serious safety failure. The 2025 advisory for slight play in the offside front track rod end ball joint, combined with the nearside front suspension arm ball joint dust cover deterioration noted in 2024, means the steering and front suspension linkages are worn. On a test drive, listen for clonking or knocking from the front wheels over speed humps and uneven surfaces, and feel for any vagueness, wandering, or irregular tyre wear that would indicate the joints have worsened since the advisory was issued. A clunk when turning sharply at low speed is a classic symptom of perished ball joint gaiters letting contamination into the joint. Brake performance should also be evaluated directly, given that both front and rear discs were flagged as pitted and scored in 2024 and tyres were close to the legal limit on both front edges in 2025. Under moderate braking from around 40 mph, any steering wheel vibration, pedal pulsation, or pulling to one side suggests the discs require machining or replacement rather than just new pads. Confirm whether the discs have actually been changed since the 2024 advisory, as pitted discs reappear as advisories at subsequent tests if neglected. Finally, verify the exhaust repair holds under load by accelerating in third gear and listening for ticking or hissing from underneath, and check that both front position lamps and all other exterior bulbs are functioning correctly, as electrical gremlins on older Hyundai wiring can be intermittent rather than permanent.