1998 Jaguar XJR 4.0L Petrol · S264 BGK

The most recent MOT test on 2025-06-06 resulted in a passing grade, though it was accompanied by several advisories that indicate ongoing but manageable wear and minor corrosion issues across critical components. The pattern of MOT results over the past decade is relatively stable, with the majority of tests passing without defects, aside from the sporadic windscreen damage advisories from 2013 to 2014. The advisories from 2025—particularly the front lower suspension arm corrosion, shock absorber casing corrosion, and coil spring corrosion—suggest a consistent, albeit slow, progression of wear that has not yet reached a critical failure point. The absence of failures or major defects in prior MOTs implies that the vehicle has been maintained within legal standards, though the advisories warrant closer attention to prevent potential future roadworthiness issues. The recorded mileage of 158,674 miles for a vehicle aged approximately 28 years represents an annual usage rate of around 5,667 miles, which is notably lower than the typical wear rates for such an older Jaguar XJR. This low mileage could reflect periods of prolonged inactivity, suggesting the vehicle has been stored or used sparingly over the years. However, low mileage alone does not negate the risk of accelerated wear from standing corrosion, particularly in suspension components, exhaust systems, and brake assemblies. The advisories from 2025 highlight that corrosion has developed despite infrequent use, indicating that the vehicle may have been exposed to moisture or poor storage conditions, which can accelerate degradation in metal components. Additionally, standing for extended periods can lead to brake disc corrosion, binding calipers, or fluid degradation in hydraulic systems, all of which should be monitored. For a prospective buyer, the most critical areas to inspect during a physical examination and test drive are the suspension system, brakes, and corrosion-prone components. Focus on the front and rear suspension arms, coil springs, and shock absorbers for signs of further corrosion, stiffness, or excessive play. Listen for unusual clunking or rattling noises during cornering or over bumps, which may indicate worn suspension bushes or damaged coil springs. The brake system should be checked for uneven wear on discs or pads, which could signal binding calipers or hydraulic fluid degradation. Inspect the brake hoses for any signs of cracks or leaks, as corrosion to the ferrule as noted in the 2025 MOT may compromise seal integrity. A thorough visual inspection of the exhaust system for rust, leaks, or structural weakness is also essential, given the vehicle’s age and the advisories on coil springs and suspension components. Beyond the mechanical checks, the buyer should verify the condition of the tyres, ensuring there is adequate tread depth and checking for sidewall cracking or perishing, which can weaken the tyre structure and reduce safety. Given the vehicle’s age and the low mileage, the tyres may have been in storage for extended periods, increasing the risk of dry rot. Test the 12V battery for voltage output and overall health, as prolonged inactivity can lead to sulfation or weak terminals. Additionally, since the vehicle has not undergone a service in recent years, consider checking the fluid levels and condition of the engine oil, coolant, brake fluid, and differential fluid for any signs of degradation or contamination. If the vehicle has been stored, ensure the fuel system is clear of moisture or sediment, and that the fuel cap has been kept closed to prevent oxidation. Finally, review any service records for the last few years to confirm that routine maintenance, such as spark plug replacements or timing belt servicing (if applicable), has been attended to, as neglect in these areas can lead to catastrophic failures.