2016 Mazda 3 2.2L Diesel · LT16 FMP

The defining mechanical story of this Mazda 3 is a pattern of recurring component wear concentrated around the suspension and braking system, set against an otherwise stable roadworthiness record. Over six recorded tests spanning 2021 to 2026, the vehicle has passed five times and failed twice, with both failures tied to specific, isolated defects rather than systemic neglect. The 2021 test identified a fractured rear coil spring as a major failure, and a 2023 test recorded a severely reduced headlamp light intensity as another major. The most recent assessment on 21 April 2026 returned a pass, but it was accompanied by advisories relating to a worn front suspension arm pin or bush and an offside rear inner tyre worn close to the legal limit. The recurrence of suspension-related advisories across the testing history suggests that the front and rear axle components are subject to ongoing wear consistent with the vehicle's high annual mileage, and a prospective buyer should not treat the 2026 pass as evidence that these wear items have been resolved. Recorded mileage of 126,603 miles over a ten-year ownership period equates to an annual accumulation of roughly 12,660 miles, which is notably high for a vehicle of this age and points to sustained, regular use rather than periods of standing. There are no significant gaps in the testing history that would suggest extended lay-up periods, meaning the wear recorded in MOT advisories reflects continuous service rather than deterioration from inactivity. From a mechanical perspective, this usage profile places above-average demand on the braking system, tyres, suspension bushes, coil springs, and drivetrain components, and explains why advisories relating to brake pads, brake discs, coil springs, and tyre condition have appeared multiple times across the recorded tests. The combination of high mileage and repeated brake-related advisories in particular suggests that consumable wear items are being consumed at a steady rate and may soon require replacement. For a prospective buyer, the most pressing areas for inspection are the suspension and braking components specifically flagged in the test history. The 2026 advisory regarding the front suspension arm pin or bush indicates a component that is worn but not yet failing; on a test drive, this typically presents as a slight clonking or knocking noise from the front axle when traversing speed bumps or rougher road surfaces, and can sometimes be felt as imprecise steering response or vague directional changes over uneven tarmac. Given the 2021 fractured rear coil spring failure, the rear suspension should be inspected for any signs of sagging, uneven ride height, or knocking noises from the rear axle, particularly when the vehicle is loaded. A visual inspection of all four coil springs for signs of corrosion, cracking, or uneven compression is advisable, as fractured springs are often a precursor to further suspension wear. The braking system warrants particular attention based on the 2021 advisories covering thinning front and rear brake pads, a worn rear brake disc, and an offside rear service brake binding slightly. On a test drive, brake binding typically manifests as a dragging sensation, uneven rolling on a flat road surface, or one wheel running warmer than the others after moderate driving. Pedal feel should be assessed for firmness and consistent response, and any judder under braking may indicate disc warping consistent with high-mileage wear. The headlamp failure recorded in 2023 should also prompt a check of headlamp condition, alignment, and lens clarity, as reduced light intensity can recur if condensation forms inside the lamp unit or if the lens has become significantly clouded. Finally, the tyre advisories across multiple tests suggest that close attention should be paid to tread depth across all four corners, with particular focus on uneven shoulder wear, which is characteristic of suspension or alignment issues that may be developing alongside the worn bushes flagged in 2026.