2011 Subaru Legacy 2.0L Petrol · RF11 UHU

The most recent MOT inspection on 19 February 2026 resulted in a pass, but the vehicle's maintenance history reveals a concerning trend of recurring emissions and exhaust issues. While the vehicle has successfully passed its latest test, the history shows a pattern of major failures related to excessive carbon monoxide and hydrocarbon levels, alongside persistent advisories regarding exhaust leaks. This suggests that while the vehicle is currently legal, there are underlying engine management or combustion efficiency issues that have required attention or have been intermittently failing to meet regulatory standards. The maintenance profile appears reactive rather than preventative, particularly given the history of dangerous failures regarding brake pads and tyre tread depth in previous years. With 140,007 miles recorded over approximately 15 years, this Subaru Legacy has covered an average of roughly 9,334 miles per year. This is considered typical annual usage for a vehicle of this age, suggesting it has been used regularly rather than left to sit for long periods. From a mechanical standpoint, this level of mileage means that high-wear components such as suspension bushes, dampers, and drivetrain seals are likely approaching the end of their service life. The consistent mileage accumulation implies that the vehicle has been subject to standard mechanical degradation, and prospective buyers should expect to encounter wear on consumables like brake discs, pads, and various rubber components. A critical area for inspection is the exhaust and emissions system. The recurring advisories for a nearside rear exhaust leak and the history of major failures for carbon monoxide and lambda readings indicate potential issues with the catalytic converter, oxygen sensors, or exhaust manifold integrity. During a test drive, listen closely for any rhythmic blowing or hissing sounds from the underside of the car, especially under acceleration, which would indicate an exhaust leak. Furthermore, the advisory regarding a worn nearside front inner suspension arm bush suggests impending failure of the suspension geometry. You should listen for clunking or knocking noises when driving over uneven surfaces or turning the steering wheel, as a worn bush can lead to imprecise handling and uneven tyre wear. Finally, the history of tyre and brake advisories suggests that the vehicle's consumables have been managed at the limit of legality. Inspect the current tyres thoroughly for uneven wear patterns, which could signal alignment issues or worn suspension components, and check the sidewalls for any signs of perishing or cracking due to age. Given the previous dangerous failures for brake pad thickness, it is essential to verify the current state of the braking system. Look for any signs of brake disc corrosion or binding calipers, and during the test drive, check for any shuddering through the pedal or steering wheel when braking, which could indicate warped discs or worn components. Ensure the service history is present to confirm that fluids and belts have been changed according to manufacturer intervals, rather than just when an MOT failure occurs.