2011 Mazda 6 2.2L Diesel · LS60 XKX

A fifteen-year-old Mazda 6 carrying widespread and progressing structural corrosion is the defining mechanical story of this vehicle. Across every recorded test from 2024 through early 2026, advisories relating to underside corrosion, front subframe deterioration, exhaust system degradation, and brake hose ferrules have appeared repeatedly, indicating an ongoing pattern rather than an isolated concern. The most recent test on 2026-03-23 returned a Pass, but only five days earlier the car had failed its examination, with the same suite of advisories still present alongside a slightly distorted nearside rear wheel. The trend is best described as stable at a low level of mechanical integrity: the car continues to pass because the corrosion has not yet breached the MOT threshold for serious weakening, but the underlying condition is clearly worsening year on year. The 2025-04-10 pass additionally noted corrosion on both front lower suspension arms, and the 2024-02-26 test flagged binding front service brakes, expanding the picture of a chassis that is gradually giving up the fight against the elements. Recorded mileage of 126,310 against a vehicle now in its mid-teens equates to roughly 8,400 miles per year, which is broadly typical for a car of this age and not in itself a red flag. There are no unusual gaps in the testing history to suggest long periods off the road, and the annual accumulation appears steady and consistent. That said, the combination of moderate annual mileage and a fifteen-year exposure to road salts and moisture has clearly taken its toll on the underside, where corrosion advisories now describe the condition as affecting areas all over rather than isolated patches. Mechanically, this usage profile means consumables such as brake pads, discs, tyres, and probably the clutch have been worked through multiple replacement cycles, which is consistent with the rear brake disc wear noted in early 2025 and the tyre issues flagged around the same time. For a prospective buyer, the priority on inspection must be the underside corrosion pattern, because the advisories suggest the problem is generalised rather than localised. On a ramp or over a pit, examine the front subframe mounting points closely for flaking that penetrates through the metal, and check the front lower suspension arms for any movement that suggests the rust has thinned the bush housings. Listen for clonks or knocks from the front end over speed humps and uneven surfaces, which would indicate that corroded arm joints are beginning to lose their integrity. The brake hose ferrules are flagged across every test, so inspect each flexible hose where it meets the metal banjo fitting for green-white corrosion lift and any signs of weeping brake fluid; corroded ferrules can eventually cause a fluid leak under pressure, and replacement of all hoses is a likely near-term cost. The exhaust system was described as heavily corroded on both recent tests, so tap it gently with a screwdriver handle and listen for a dead rattle rather than a ring, and check the joint flexibility by hand. On the road, test the braking feel carefully: the 2024 advisory noted both front service brakes binding, which often manifests as a pulling sensation to one side on light braking, uneven pad wear deposits on the discs visible through the wheels, or a hot wheel on a short journey immediately after setting off. Feel for any vibration or judder through the steering on braking, which would suggest the rear brake discs have worn beyond their service limit given the pitting advisory from 2025. The nearside rear wheel was noted as slightly distorted in 2026, so check for imbalance at motorway speeds and any visible buckle on the rim flange. Finally, budget for a realistic near-term spend on brake hoses, a full exhaust replacement, and likely some form of subframe or suspension arm refurbishment, as the corrosion pattern here points to a vehicle that is mechanically roadworthy today but on a slow countdown toward more serious structural intervention.