2014 Vauxhall Insignia 2.0L Diesel · FN14 AOY

This Insignia presents a mechanical narrative defined less by outright failure than by chronic, repeating issues clustered around the lighting and electrical systems, alongside an emerging concern with tyre wear across all four corners. Two MOT failures and a handful of advisories over the recorded period centre on headlamp aim, registration plate lamp operation, and water ingress into the offside headlamp unit. The most recent test on 26 February 2024 passed with no defects, and this was followed on 24 February 2026 by another pass, but that latest pass carried five advisories, four of which flagged every tyre as worn close to the legal limit or worn on edge, and the fifth noting water ingress into the offside headlamp. The return of the registration plate lamp defect in 2025, after a similar minor defect was logged in 2021, suggests an unresolved electrical or bulb-holder issue rather than a one-off component failure, and the headlamp aim and water ingress entries point to either a failing lens seal or a deeper wiring fault that may recur. Mileage accumulation on this 2014 Insignia stands at 135,163 miles over approximately twelve years, equating to an average of around 11,000 to 11,300 miles annually, which is broadly in line with typical usage for a vehicle of this age. There are no prolonged gaps between tests indicating the car has been off the road for extended periods, and the test dates run in a fairly consistent yearly cadence from 2021 onwards. With mileage at this level, mechanical wear on consumable items such as tyres, brake discs, pads, suspension bushes, coil springs, and clutch components should be considered routine rather than exceptional, and the fact that all four tyres were flagged at the limit in February 2026 is consistent with a car that is being actively driven rather than left idle. A prospective buyer should focus the physical inspection on the specific items flagged in the advisories. The water ingress noted in the offside headlamp should be checked by removing the unit or examining the lens and rear cover for condensation, misting, or water staining, as trapped moisture will repeatedly corrode connectors and bulb holders. The registration plate lamp should be tested with both ignition and lighting switched on, and the holder inspected for green corrosion on the contacts. The missing clutch pedal anti-slip provision, advisory noted at the 2025 test, should be physically confirmed; if still absent, it is a straightforward rectification but worth negotiating. On a test drive, listen for any clutch slip under load in higher gears, and check for a soft or inconsistent bite point which would indicate wear given the mileage. Given the universal tyre wear advisories recorded on the most recent pass, the car should be assumed to need a full set of four tyres immediately, and the new rubber should be examined after a short drive for any pulling to one side or steering wheel off-centre, which could indicate tracking issues or worn front suspension components. With 135,000 miles covered, the pedal feel for the brakes warrants close attention: any judder under braking suggests warped front discs, while a spongy pedal points to worn calipers or air in the system. Listen for clonks or knocking from the front suspension over speed humps, which is common on Insignias of this mileage as the lower control arm bushes and anti-roll bar links wear, and check visually for any weeping from the front struts. Finally, given the recurring electrical defects, a thorough check of all exterior lighting, including main beam, dipped beam, side lights, and number plate illumination, is essential before purchase.