2013 Mazda Demio 1.3L Petrol · SW62 XAH

A pattern of chronic front-end advisories, rather than any single catastrophic failure, defines the mechanical story of this Mazda Demio. The most recent test on 2 December 2025 was ultimately passed, but only after a same-day failure recorded that day for both front headlamps projecting an obviously incorrect beam image. This is not the first time the headlamp aim has failed either, with the identical defect recorded as a Major on both sides at the December 2023 test, suggesting either a recurring adjustment issue, replacement bulbs of incorrect specification, or deterioration of the headlamp mounting points over time. Beyond the lighting concern, the December 2025 test also flagged a damaged but not yet excessively worn central lower engine mounting bush, surface corrosion on the front subframe that has not yet progressed to structural concern, and both front inner tyres wearing down to near the legal limit with edge wear. Taken together, the trend is one of stable roadworthiness rather than deterioration, but the front end clearly bears the brunt of the wear. With 102,827 miles accumulated over roughly 13 years of life, the Demio is running at around 7,910 miles per year, which is broadly typical for its age and points to consistent, moderate use rather than long periods of standing or extreme high-mileage running. There are no significant gaps in the MOT record that would suggest extended lay-ups, meaning the consumables, suspension bushes, brake components and tyres have all been subjected to regular cyclic loading. For a vehicle of this profile, the recorded annual mileage is generally favourable because it tends to keep the braking system freed from corrosion seizing, the fuel system clear of stale fuel issues, and the battery in regular service. Mechanical implications are largely in line with expectations for a petrol supermini of this age and mileage, with the front suspension, engine mounting and underfloor corrosion being the components most likely to demand attention as the odometer continues to climb. A prospective buyer should pay particular attention to the engine mounting flagged in the latest advisories. During a cold start, listen for any excessive vertical engine movement when blipping the throttle, and during a test drive, feel for clunks or shudders through the gearlever or steering wheel when pulling away or changing gear under load, which would indicate the bush has deteriorated beyond the not to excess threshold. Inspect the mounting visually for any perishing, cracking or separation of the rubber from its bonded metal core. Equally, the front subframe corrosion advisory warrants a close underfloor inspection with the vehicle raised if possible. While the tester judged it not seriously weakened, subframe corrosion can progress rapidly once established, so check for any flaking, thickness loss around mounting points, or evidence of recent welding repairs that might mask deeper structural concerns. The headlamp aim issue is the most actionable defect and warrants a straightforward check before purchase. With the vehicle parked on level ground facing a flat wall at night, verify that the beam cut-off line is horizontal, with the brightest point sitting slightly below the centreline of the headlamp and the kick-up elbow pointing towards the centre of the vehicle. If the image appears too high, scattered, or asymmetrical, the adjusters may be worn, the headlamp brackets may have loosened, or the units may have been replaced with non-specification items. The front inner tyre edge wear noted on both sides is also worth investigating, as symmetrical edge wear on both inner edges typically indicates incorrect tracking rather than a single tyre issue, so check for uneven steering pull, a crooked steering wheel when driving straight, or uneven feathering across the tread blocks. Finally, request evidence that any previous headlamp replacements used genuine or correctly specified Mazda components, as this is the most likely reason for the same beam image failure recurring across two separate MOT cycles.