2012 Vauxhall Insignia 2.0L Diesel · AJ12 ACU

The Vauxhall Insignia shows a current roadworthy status following a passed MOT on 14 July 2025 at 200,146 miles, yet the surrounding record reveals administrative instability rather than mechanical decline. Three tests occurred within four days in July 2025: a fail on 11 July at 200,137 miles with no defects logged, a further fail on 14 July at 200,146 miles also with no defects, then a pass the same day. The maintenance trend is stable on mechanical grounds, with no advisories or defects across any recorded test, but the repeated no-defect failures suggest clerical re-entry or presentation errors at the testing station rather than owner neglect. Mileage sits high for a 2012 vehicle. The record shows 187,309 miles on 27 January 2023, rising to 196,862 miles by 22 March 2024, then 200,146 miles by July 2025. That equates to roughly 9,500 miles between early 2023 and early 2024, then under 3,300 miles across the following fifteen months, a clear slowdown in use. Over its life the car averaged about 14,300 miles per year, placing above-normal wear expectation on drivetrain, suspension bushes, and brake discs. The sparse history, with only three passed tests and the odd July 2025 cluster, gives limited visibility of consumable replacement cycles. A buyer should still commission a physical inspection of structural integrity and corrosion points beneath the sills and subframes, as high-mileage Vauxhall platforms of this era commonly develop rust unseen by MOT testers until advanced. Check front coil springs and rear suspension arms for fatigue, and measure brake disc run-out and caliper operation despite the clean record. The absence of advisories across 187,000 to 200,000 miles is unusual at this age and may reflect lenient testing rather than genuine condition. Verify the July 2025 failures were administrative by obtaining the full DVSA test certificates. Given the mileage, budget for imminent timing-chain or clutch wear depending on variant, and confirm service history independently before purchase.