2015 Peugeot 508 2.0L Diesel · ST15 WSO

The most recent MOT test on the 2015 Peugeot 508 recorded a passing result, but the vehicle’s history reveals a pattern of recurring advisories and one critical failure that warrants careful consideration. While the latest inspection did not flag any failures, the consistent presence of tyre wear close to legal limits—particularly the offside rear inner tyre showing exposed cords in 2024—indicates that the suspension and alignment systems may be compromised. The repeated advisories on engine covers and undertrays obscuring components suggest either neglect in removing them for inspections or a deliberate modification, which could obscure critical maintenance checks. The offside registration plate lamp failure in 2025 also points to a recurring issue that should be addressed to avoid future compliance risks. Overall, the maintenance trend appears stable in passing MOTs but is underpinned by wear-related advisories that demand proactive attention rather than a purely reactive approach. The recorded mileage of 132,057 miles for a vehicle aged approximately 11 years represents a high annual usage rate of around 12,005 miles per year, which is significantly above the average for its class. Such mileage accumulation typically accelerates wear on consumables like brake pads, tyres, and suspension components, as evidenced by the MOT history. The rapid mileage build-up may also imply frequent short trips or aggressive driving, which can exacerbate issues such as uneven tyre wear, premature suspension degradation, and potential fluid degradation from thermal cycling. The absence of long periods of stationary use could also contribute to standing corrosion risks, particularly on brake components and the underbody, where moisture and road salt exposure may accelerate rust formation. Buyers should be mindful that this vehicle has likely experienced more dynamic stress on its drivetrain and mechanical systems than a lower-mileage counterpart. To conduct a thorough pre-purchase inspection, the prospective buyer should prioritise checking the tyre condition beyond the MOT advisories, as exposed cords indicate severe and irreversible damage that compromises tyre integrity. Inspect the offside rear tyre for further deterioration, including cracks or delamination, which could lead to sudden failure. On a test drive, listen for uneven tyre wear patterns, which may signal misalignment or suspension issues, and watch for clunking noises from the offside anti-roll bar linkage ball joint, as slight play could worsen with further wear. Brake inspection is critical, given the thin near-side rear pads and potential corrosion or binding calipers from prolonged standing. Visually examine brake discs for scoring, warping, or corrosion, and test for a firm, even pedal response without shuddering or sponginess, which could indicate worn brake pads or warped discs. For fluid systems, the vehicle’s age and high mileage mean time-based servicing is essential. Check the engine oil level and condition, ensuring it is free of contaminants and at the correct viscosity, as oil degradation can accelerate engine wear. Inspect the coolant system for leaks or overheating history, as Peugeot models often require periodic coolant flushes to prevent corrosion and sludge buildup. The 12V battery should be tested for voltage output and overall health, particularly given the registration plate lamp failures, which may indicate electrical system strain. Finally, a thorough visual inspection of the underbody and engine bay for signs of corrosion, fluid leaks, or missing components is mandatory, especially around the suspension mounts and exhaust system, where salt and road debris can accelerate deterioration. If the vehicle has been modified with engine covers and undertrays in place, ensure these are securely fitted and do not obstruct necessary inspections.