2015 Mazda 6 2.2L Diesel · GN65 UKR

The Mazda 6 successfully passed its most recent Ministry of Transport test in November 2025 with zero recorded defects, demonstrating that necessary repairs following a failure earlier that month were effectively carried out. Reviewing the historical test data reveals a generally stable maintenance trend, although the November 2025 retest was preceded by a failure citing major structural and suspension wear, alongside recurring advisory notes for lower ball joint play and degrading suspension bushes logged during the 2024 test. This indicates that while the vehicle is currently compliant and roadworthy, the suspension system has been subjected to significant mechanical fatigue and will require careful ongoing monitoring by any prospective owner. With a recorded mileage of 164,810 miles at roughly eleven years of age, this vehicle has averaged approximately 14,983 miles per annum, representing a high-usage profile typical of long-distance motorway driving. This high annual mileage accumulation generally benefits the engine and emission control systems by ensuring they reach optimal operating temperatures regularly, preventing the carbon build-up common in short-trip diesels. However, this heavy use also accelerates the wear and tear on high-mileage consumables, meaning drivetrain components, auxiliary belts, wheel bearings, and clutch or automatic transmission assemblies have worked hard and will need thorough verification through comprehensive service records. Given the history of suspension component failures and advisories, a prospective buyer must conduct a rigorous physical and dynamic inspection of the undercarriage and steering geometry. Pay close attention during the test drive for any knocking noises, vagueness in the steering response, or vibrations over rough road surfaces, which would indicate lingering wear in the anti-roll bar linkages, lower suspension arm ball joints, or wishbone bushes. Furthermore, check the rear tyres carefully for the perishing and cracking noted in recent MOT advisories, as degraded rubber compromises grip and will necessitate immediate replacement regardless of remaining tread depth to ensure safe handling. Beyond the chassis, the high mileage and age of the vehicle dictate a thorough check of peripheral mechanical systems and maintenance intervals. Inspect the brake discs and pads for excessive lip formation and scoring, and listen for any binding calipers or wheel bearing hums at cruising speeds. Verify that the service book contains consistent stamps confirming timely oil changes, fuel filter replacements, and brake fluid flushes, as neglecting routine maintenance on a high-mileage Mazda 6 can rapidly lead to costly turbocharger, injector, or diesel particulate filter failures.