2015 Vauxhall Insignia 2.0L Diesel · FN65 PXG

The most recent MOT test on the Vauxhall Insignia was passed on 2025-12-20, following a previous failure in 2023-01-09. While the vehicle has otherwise maintained a passing record since then, the 2023 failure—particularly the dangerous condition of exposed sidewall cords on the offside inner tyre—suggests a pattern of wear-related issues that have not been fully resolved. The recurring advisories on front shock absorber misting, tyre underinflation, and coolant level concerns indicate persistent mechanical wear, with the most critical defect (tyre sidewall failure) being a severe failure mode that could compromise tyre integrity under dynamic loading. The absence of further failures since 2023 does not negate the need for proactive maintenance, as these advisories often escalate with continued use unless addressed. The vehicle’s recorded mileage of 133,159 miles at the time of this assessment represents a high annual usage rate of approximately 12,105 miles per year, which is notably aggressive for a 11-year-old car. Such mileage accumulation accelerates wear on consumables like tyres, brakes, suspension components, and fluids, as well as potential stress on drivetrain and structural elements. The absence of significant mileage gaps suggests the vehicle has been in active service, which may explain the observed wear progression. However, the high mileage also raises concerns about cumulative fatigue in suspension bushes, coil springs, and mounting points, which could lead to premature failure or binding if not serviced regularly. For a prospective buyer, the most urgent immediate checks should focus on the front suspension and tyres, given the recurring advisories. Inspect the front shock absorbers for signs of excessive leakage, binding, or physical damage, and listen for abnormal clunking or thumping during cornering or over bumps—symptoms of failing dampers or bushings. The exposed sidewall cords in 2023 highlight the need to verify the current tyre condition, particularly the offside inner tyre, for further degradation or tread separation. A test drive should include monitoring for uneven tyre wear patterns, which may indicate misalignment or suspension misalignment, and checking for excessive play or binding in the steering or suspension linkage. Additionally, the oil leak advisory suggests a need to inspect the engine bay for fluid pooling, particularly around the oil pan or valve cover, and confirm that the oil level is maintained at the correct range during operation. Beyond the immediate concerns, the buyer should prioritise a comprehensive inspection of the braking system, given the front brake disc wear advisory. Inspect the discs for excessive pitting, scoring, or corrosion, and check for uneven wear or binding calipers that could indicate hydraulic issues or mechanical binding. The coolant level advisories imply potential thermal expansion risks or leaks in the cooling system, so verify the coolant condition and check for signs of overheating or coolant leaks around the radiator, hoses, and water pump. Given the vehicle’s age and mileage, it is also prudent to assess the condition of the 12V battery, as prolonged standing or high-mileage usage can accelerate battery degradation. Finally, the tyre wear advisories, including the edge wear and underinflation, warrant a full tyre pressure check and tread depth verification, with particular attention to the offside inner tyre for any signs of further sidewall damage. A service history review, if available, should confirm adherence to manufacturer-recommended maintenance intervals, particularly for fluid servicing (oil, coolant, brake fluid) and suspension component replacement.