2011 Vauxhall Insignia 2.0L Diesel · DL11 NPC

The 2011 Vauxhall Insignia presents a stable and improving maintenance trend, culminating in a clean pass on 12 March 2026 at 76,352 miles. The most recent test recorded only two minor advisories: an inoperative offside registration plate lamp and a non-excessive engine oil leak. This is a marked improvement over the preceding years, where the tester flagged more significant mechanical and structural concerns. The record suggests the previous owner addressed a critical suspension failure promptly and has since maintained the vehicle to a reasonable standard, with no recurring major defects appearing in the latest two tests. The mileage profile tells a story of very light use. The vehicle covered just 9,057 miles between the March 2025 and March 2026 tests, and the long-term average sits at roughly 5,090 miles per year. This is exceptionally low for a fifteen-year-old car. Such low annual mileage often points to short, infrequent journeys, which can be harder on a diesel engine and its after-treatment systems than steady motorway driving. The gap between the March 2023 and March 2024 tests shows a similar pattern of around 2,143 miles covered in twelve months, confirming this has been a consistent usage profile rather than a recent change. A buyer should focus their physical inspection on the front suspension and engine oil system. The March 2023 failure for a fractured offside rear coil spring is a serious structural defect that demands scrutiny. While it was rectified for the retest two days later, the condition of the replacement spring and its counterpart on the nearside should be checked for any signs of cracking or corrosion. The March 2024 advisory for light oil misting on the offside front shock absorber also warrants a close look; a misting damper is not an immediate fail, but it indicates the unit is weeping fluid and may require replacement if the misting has progressed to a drip. The current non-excessive engine oil leak advisory from March 2026 needs tracing to its source, whether that is a valve cover gasket, oil filter housing, or a crankshaft seal. The braking system shows a pattern of consumable wear rather than a persistent fault. The March 2025 advisory for a worn offside front brake pad was a straightforward wear item, and its absence from the 2026 record suggests it was replaced. The repeated advisories for worn rear tyres in March 2023, including a perished nearside rear, indicate the previous owner was running the tyres down to the legal limit rather than replacing them proactively. A buyer should check the date codes and condition of the current tyre set carefully. The persistent child seat obstruction preventing full seatbelt inspection across multiple years is a minor administrative point, but it means the full length of the rear adult belts has never been visually verified by a tester. A buyer should manually extract and inspect the webbing for cuts, fraying, and proper retraction.