2014 Vauxhall Insignia 2.0L Diesel · FN14 BKA

The most recent MOT test on 2026-01-28 resulted in a failure due to a major defect: a fractured or broken near-side rear coil spring, which is a critical structural component that affects vehicle handling, ride quality, and safety. This failure stands in stark contrast to the preceding MOT results, which were all passed without any recorded defects or advisories, indicating a sudden and significant mechanical issue. While the vehicle passed the 2024 and earlier MOT tests, the absence of a coil spring is a severe failure that would have been detected during the inspection, particularly as coil springs are routinely checked for integrity, wear, or damage. The failure rate of 100% in the last two MOTs suggests either a pre-existing condition that was not identified in prior tests or a recent, potentially progressive failure that warrants immediate attention. The buyer should treat this as a critical warning sign, as a broken coil spring can lead to uneven suspension travel, excessive body roll during cornering, and, in severe cases, vehicle instability or rollover risk. The vehicle’s recorded mileage of 124,858 miles at the time of this assessment is consistent with its age—approximately 12 years old—with an average annual mileage of around 10,405 miles, which is within the typical range for a car of this age and class. However, the mileage data alone does not fully explain the sudden mechanical failure, as lower mileage could imply periods of prolonged standing, which can accelerate wear on components like brakes, suspension bushes, and seals due to corrosion and fluid degradation. Conversely, higher mileage would suggest more aggressive usage, potentially leading to accelerated wear on suspension elements, drivetrain components, and exhaust systems. The lack of a clear pattern in the mileage history means the buyer should focus on the recent mechanical condition rather than relying solely on mileage to gauge wear progression. The presence of a coil spring failure, regardless of usage, indicates that the vehicle has either been subjected to excessive stress or has a pre-existing structural weakness that may not have been evident in prior tests. Given the critical MOT failure of the near-side rear coil spring, the prospective buyer must prioritise immediate action to address this defect. The coil spring’s function is vital for maintaining vehicle geometry, absorbing road imperfections, and ensuring safe handling, so its failure is not merely a cosmetic issue but a safety concern. During a test drive, the buyer should listen for unusual noises, such as clunking or rattling from the rear suspension area, which may indicate misalignment or further coil spring damage. They should also watch for signs of uneven tyre wear, particularly on the near-side rear tyres, as coil spring failure can lead to lateral movement of the wheel assembly. Additionally, the vehicle may exhibit excessive body roll during cornering, a sagging or uneven ride height, or a tendency to pull to one side, all of which are symptomatic of suspension imbalance. The buyer should also inspect the rear suspension linkage and bushings for signs of wear or damage, as these components can exacerbate instability once the coil spring fails. Immediate replacement of the coil spring is essential, and the buyer should seek a qualified mechanic to assess the extent of any related damage, such as bent control arms, damaged bushings, or compromised wheel bearings. For the buyer’s comprehensive inspection beyond the MOT failure, they should conduct a thorough physical and functional assessment of the vehicle’s remaining components. Given the age and mileage, the near-side rear tyre advisory from 2023-10-23 suggests that the tyre has been worn close to the legal limit and may have been worn unevenly, possibly due to suspension issues. The buyer should replace these tyres immediately, as worn tyres compromise traction, braking efficiency, and road safety. They should also check the tyre sidewall for signs of perishing or cracking, which is more likely in older vehicles due to exposure to UV radiation and environmental elements. The vehicle’s brakes should be inspected for signs of corrosion on the discs, particularly near the rear, where standing can accelerate rust formation. Binding calipers or seized brake components may also be present, leading to uneven braking or a spongy pedal feel. The buyer should test the braking system by applying firm pressure during a test drive, listening for grinding noises or a spongy response, and ensuring even stopping power across all wheels. The 12V battery and associated electrical systems should be evaluated for signs of age-related degradation, as older vehicles may experience reduced starting power or electrical system failures due to battery weakness or corroded terminals. The battery should be tested for charge capacity, and the alternator should be checked for proper voltage regulation, as a failing alternator can lead to fluid degradation and electrical issues. The engine oil and coolant should be inspected for signs of contamination or sludge, particularly if the vehicle has been stationary for extended periods, as this can accelerate wear on internal components. The buyer should also verify the service history for time-based maintenance, such as the last oil change and coolant flush, which are critical for preventing internal engine damage. Finally, the exhaust system should be checked for leaks, rust, or excessive emissions, as these can indicate underlying mechanical issues or poor maintenance. Given the vehicle’s age and the recent coil spring failure, the buyer should also consider a pre-purchase inspection by a qualified mechanic to assess the full extent of the suspension and structural integrity, ensuring no hidden damage has developed since the last MOT.