2011 Vauxhall Insignia 1.8L Petrol · DV11 NDG

The mechanical narrative of this 2011 Vauxhall Insignia is dominated by a single emissions-related failure recorded in July 2020, when the engine management indicator lamp was flagged as inoperative or indicating a malfunction, resulting in a presented failure. Aside from that isolated event, the vehicle has demonstrated a stable pattern of MOT roadworthiness, passing every subsequent annual test on 2021-07-22, 2022-10-14, 2023-10-07, and 2024-11-20 without any recorded defects. The most recent assessment on 2025-11-18 maintained this pass status, though it introduced a cluster of four advisories centred on the braking system. While a single prior test in 2021 also noted rear brake pad wear and the 2019 test flagged rear tyre wear, the absence of any structural, corrosion, or suspension advisories across the entire six-test visible history suggests that the chassis and running gear have remained largely free of major flagged deterioration. With 119,504 miles accumulated over approximately fifteen years, the vehicle shows an average annual mileage of roughly 7,967 miles, which sits comfortably within the typical band for a car of this age and is consistent with regular mixed private use. There are no extended multi-year gaps in the testing record that would suggest prolonged off-road storage, nor is there any evidence of rapid mileage escalation between consecutive tests that might indicate high-intensity commercial or motorway use. This steady accumulation profile implies moderate wear across consumable items, allowing components such as brake discs, pads, tyres, and suspension bushes to age progressively rather than being subjected to the accelerated degradation often associated with high-mileage workhorses. For a prospective buyer, the most pressing area to scrutinise is the braking system, given that the November 2025 test flagged thin front and rear brake pads alongside a worn, pitted, or scored rear brake disc, plus a nearside rear service brake binding but not excessively. On a test drive, listen for any intermittent scraping or grinding from the rear wheels, particularly when first applying the brakes from cold, and feel for any unevenness or judder through the brake pedal that could indicate disc runout or uneven pad deposition. The binding caliper advisory warrants particular attention: with the vehicle on level ground, confirm the nearside rear wheel rotates freely by hand when unbraked, and check for any localised heat emanating from that corner shortly after driving, which would suggest the caliper piston or slider mechanism is not fully releasing. Given that brake pad and disc wear has now been flagged at consecutive recent tests, a budget should be retained for replacement of the rear axle braking components as part of any purchase negotiation. The remaining advisories from earlier test cycles are less acute but merit specific observation. The coolant leak noted in 2019 and the non-excessive oil leak flagged in 2020 both warrant a visual inspection of the engine bay and undertray for any fresh staining or damp residue around the cam cover gasket, sump, and water pump or thermostat housing, with particular attention paid to the condition of the coolant expansion tank and its cap seal. The 2020 engine management lamp failure, although resolved at the subsequent pass, means the vehicle's diagnostic system should be scanned for any stored historical fault codes relating to the catalytic converter, oxygen sensors, or evaporative emissions system before purchase, as intermittent sensor failures can recur on Insignias of this generation. Finally, the 2019 windscreen damage should be examined to ensure it has not extended into the driver's primary swept area, as further stone impact could easily push it into a fail zone at the next test.