2006 Mazda 3 1.6L Petrol · MW56 DHM

The vehicle presents a mixed maintenance profile. The most recent test on 16 December 2025 at 70,371 miles resulted in a pass, yet the tester flagged active corrosion on both sills and inner sills alongside a rusted underside. This structural deterioration represents a worsening trend from the previous inspection on 10 December 2024 at 68,121 miles, where the same sill corrosion was already noted as "starting." The progression from initial surface corrosion to a more established condition over a two-year interval suggests the vehicle has been exposed to moisture or road salt without adequate underbody protection. While the car remains legally roadworthy, the structural integrity of the sills and underside demands close scrutiny, as these are load-bearing areas critical to the vehicle's crashworthiness and long-term durability. The recorded mileage of 70,371 miles over approximately 20 years equates to roughly 3,519 miles per year, which is exceptionally low for a 2006 vehicle. The MOT history confirms this pattern, showing a steady but minimal accumulation from 59,762 miles in December 2022 to 70,371 miles by December 2025, an increase of just 10,609 miles over three years. Such low annual usage typically reduces wear on mechanical components like the engine, gearbox, and drivetrain, but it can mask neglect in other areas. Vehicles driven infrequently often suffer from deteriorated rubber components, stale fuel, and corrosion caused by condensation rather than mileage-related wear. The gap between the failed test on 11 December 2023 at 64,200 miles and the pass on 13 December 2023 at 64,234 miles indicates a swift repair, likely addressing the excessively corroded Offside Front inner wing mounting and the worn tyres, suggesting the previous owner responded promptly to the failure. A buyer should prioritise a thorough underside inspection, focusing on the sills, inner sills, and front inner wings where corrosion has been repeatedly flagged. The 2023 failure specifically cited excessive corrosion on the Offside Front inner wing mounting area, a structural concern that may have been patched rather than properly repaired. Suspension components also warrant attention. Both front anti-roll bar linkage ball joints showed slight play in the December 2024 test, and while this did not result in a failure, it indicates wear that will likely progress. The recurring advisories for worn tyres, particularly on the Nearside Rear, suggest the vehicle may have an alignment or suspension geometry issue causing uneven edge wear, or simply that the owner deferred basic consumable replacements. The windscreen was noted as damaged in 2022, and the wiper was flagged as ineffective in 2023, so checking the current condition of the screen and wiper mechanism is advisable. Brake components were not directly flagged, but given the corrosion concerns, a hands-on inspection of brake lines, hoses, and calipers for rust and binding is essential before purchase.