2015 Vauxhall Insignia 2.0L Diesel · DX15 EXZ

The Vauxhall Insignia presents a clean MOT history over the past year, with the most recent test on 9 December 2025 at 196,493 miles showing no defects—a strong indicator of stable roadworthiness. The only anomaly is the 12 June 2025 failure , which occurred at 184,577 miles despite no recorded defects, suggesting a potential administrative error or a minor, undocumented issue resolved before retesting. Since then, the vehicle has passed three consecutive MOTs without advisories, implying either meticulous maintenance or a history of addressing problems promptly. For a car of this age and mileage, this consistency is unusual and raises questions about whether previous owners prioritised thorough servicing or simply avoided high-mileage wear-and-tear. The absence of recurring advisories on critical systems—such as suspension, brakes, or emissions—further supports a well-maintained vehicle, though the high mileage accumulation demands closer scrutiny of consumable components. The mileage progression reveals aggressive driving or prolonged use, with 11,909 miles covered between March 2025 and December 2025 alone , a rate far exceeding the UK average for a vehicle of this age. The gap between the June 2024 (165,788 miles) and March 2025 (178,644 miles) tests suggests the car was driven 12,856 miles in just nine months , reinforcing the likelihood of heavy usage. Such mileage demands extra attention to brake pads, discs, and calipers , as well as suspension bushes and coil springs , which degrade faster under sustained load. The lack of advisories in recent tests does not negate the need for a pre-purchase inspection of these high-wear areas, particularly if the vehicle has been used for long-distance or frequent stop-start driving. Given the clean MOT record but high mileage, a buyer should focus on brake system integrity , including disc thickness, pad wear, and caliper operation , as binding or uneven braking could develop without prior advisories. The suspension geometry —specifically ball joints, track rod ends, and coil spring condition —should be checked for excessive play or corrosion, especially if the car has been exposed to salt or moisture. While the MOT history shows no structural concerns, underbody corrosion and wheel bearing wear are common in high-mileage Insignias and may not have been flagged in routine tests. A thorough inspection of exhaust emissions components (such as the DPF or EGR system, if fitted) is also advisable, as these can fail silently despite passing MOT emissions checks. The vehicle’s compliance with recent tests does not guarantee long-term reliability without verifying these critical, high-wear areas.