2006 Nissan Micra 1.2L Petrol · PF55 HFC

Underbody and brake line corrosion form the defining mechanical theme of this 2006 Nissan Micra, as evidenced by the three advisories recorded at the most recent test on 23 October 2025. The examiner noted surface corrosion across underbody frames and suspension components, a corroded brake pipe (masked by grease or similar covering on all sections), and headlamp lens contamination on both sides that did not yet reduce light output. While the vehicle passed that test, and the 2025 January and 2023 to 2024 tests also returned pass results with no defects, the corrosion advisories on a 20 year old vehicle are not isolated events. They represent the early stage of a progression that can rapidly affect structural integrity, suspension mounting points, and brake hydraulic safety, particularly given that brake pipe corrosion was already considered significant enough to warrant an advisory at this mileage and age. The recorded mileage of 86,547 miles across approximately 20 years equates to an annual accumulation of around 4,327 miles, which is notably low for the vehicle's age. The MOT history shows consistent annual testing from 2020 through 2025 with no multi year gaps, indicating the vehicle has remained in regular use and on the road throughout this period rather than being laid up. Low annual mileage of this nature reduces wear on major drivetrain components but also tends to accelerate corrosion on underbody, brake, and suspension parts due to short journeys, infrequent long runs, and exposure to damp conditions without the drying effect of sustained operation. The annual test entries cluster in early January, suggesting the vehicle may have historically covered very low mileages in the months between tests, which is consistent with a low use commuter or second car pattern. For a prospective buyer, the underbody and brake pipe corrosion advisories should be treated as priority inspection items. A physical examination on a ramp or over a pit is strongly advisable to determine whether the surface corrosion has progressed to perforation on the brake pipes, subframe mounting areas, or suspension arms. The brake pipe being covered in grease or similar material is a particular concern, as this can mask active corrosion and leaks, so the brake pedal should be felt for any softness or excessive travel during a test drive, and the system observed for fluid seepage at unions and along pipe runs. With respect to the suspension components flagged in 2025, the vehicle should be driven over uneven road surfaces and speed bumps to listen for knocking or clonking noises from the front and rear suspension, which would indicate worn bushes, corroded mounting points, or weakened coil springs. Steering should be checked for vagueness or pulling to one side, which can accompany deteriorated front suspension components on a vehicle of this age. The remaining advisories warrant straightforward attention. The headlamp lens contamination on both sides recorded in 2025 should be cleaned and the lamps rechecked for output, as obscured lenses reduce visibility and can fail a subsequent test if light output becomes seriously reduced. The supplementary restraint system warning lamp fault and front position lamp failures recorded at the January 2024 test were resolved, as evidenced by the pass recorded on the same date, but it is sensible to confirm that the airbag system has been properly diagnosed and repaired, and that any replacement position lamp bulbs and holders are secure. Given the age, low mileage, and the corrosion pattern emerging in the MOT record, a pre purchase inspection by a competent mechanic with the vehicle raised for underbody access would be a prudent investment before committing to purchase.