2008 Vauxhall Astra 1.8L Petrol · FN08 USP

The most recent MOT test on 26 August 2026 resulted in a failure, which is a notable concern and breaks what had been an improving trend following the earlier 2025 issues. The previous test of 2 September 2025 was a pass, but the two attempts prior to that on 18 and 21 August 2025 both failed before being rectified. The current failure is specifically related to excessive exhaust carbon monoxide content at both idle and after the second fast idle, indicating a combustion or exhaust system issue such as a failing catalytic converter, lambda sensor malfunction, air leakage into the exhaust, faulty ignition components, or a worn engine running rich. Combined with the persistent oil leak advisory carried across every test in the record, the overall trend suggests the vehicle is showing age-related deterioration rather than stable maintenance, and the exhaust fault will require diagnostic investigation and likely component replacement before the vehicle can be presented as roadworthy. With approximately 211,785 miles recorded over an 18-year lifespan, this Vauxhall Astra has covered roughly 11,766 miles annually, which sits within typical parameters for its age and indicates regular use rather than extended standing periods. While the mileage is not exceptionally high for a diesel-era family hatchback of this vintage, accumulated wear on major mechanical assemblies such as the clutch, dual-mass flywheel if applicable, turbocharger, suspension bushes, engine mounts, and drivetrain bearings becomes increasingly probable at this odometer reading. The MOT history does not show any obvious mileage gaps, suggesting reasonably continuous use which can be advantageous in preventing standing-related corrosion, but it also means that age-sensitive consumables and service items will have been worked hard throughout the vehicle's life. A prospective buyer should treat the persistent oil leak advisory as an item demanding physical inspection. Check the underside of the engine and the surrounding components for fresh oil residue, particularly around the rocker cover gasket, sump gasket, oil filter housing, and any turbo oil feed lines if fitted. The leak is currently deemed not excessive, but it should be monitored for progression and may indicate gaskets or seals approaching the end of their service life. The advisories concerning rear axle swivel pins and bushes showing slight wear from the 2024 test also warrant attention, as these components deteriorate further over time and can produce clonks or knocking noises over uneven surfaces, vague handling, or uneven rear tyre wear. During a test drive, listen for any suspension knocking or creaking, particularly over speed bumps and during full-lock manoeuvres where worn bushes tend to be most audible. The exhaust failure demands a pre-purchase diagnostic scan and ideally a live emissions check to verify whether the issue stems from the catalytic converter, oxygen sensors, or upstream engine management faults, as simply replacing components without diagnosis can prove costly and ineffective. The advisory regarding the offside front anti-roll bar linkage ball joint showing slight play should be inspected by physically rocking the bar to check for free play, and tyres should be examined for uneven inner edge wear, which may suggest tracking or suspension geometry issues. The front brake disc wear and pitting advisory should prompt a close visual and thickness check of the discs, as severely pitted discs will compromise braking efficiency and may soon require machining or replacement. Given the vehicle's age, buyers should additionally verify the condition of the timing chain or belt service interval, the health of the 12-volt battery which degrades with calendar age regardless of mileage, the state of brake fluid and coolant which degrade over time, and inspect all tyres for sidewall perishing and cracking typical of older rubber, as well as examining the underbody and wheel arches for corrosion, particularly around suspension mounting points and the exhaust system which is now under scrutiny.