2013 Jaguar XJ 3.0L Diesel · OU63 UNS

This Jaguar XJ has maintained a stable roadworthiness profile over the past five MOT cycles, with the most recent test on 19 March 2026 confirming no defects at 59,024 miles . The vehicle has passed every test since 2022, though the March 2023 inspection introduced a minor advisory for fluctuating near-side front brake performance, which did not recur. The March 2025 test revealed tyre damage—including a large screw embedded in the near-side rear tyre and deep cuts in the off-side rear tread—suggesting either neglect or a single incident rather than a systemic issue. No structural or drivetrain faults have been recorded, indicating the vehicle has not faced repeated mechanical failures. The mileage progression of 4,540 miles per year is unusually low for a 13-year-old vehicle, averaging just 378 miles monthly . This suggests prolonged periods of inactivity, which could either preserve components or accelerate degradation from moisture and corrosion in stored conditions. The most significant mileage jump occurred between March 2023 (51,606 miles) and March 2024 (53,563 miles) , a gain of only 1,957 miles in a year , reinforcing the pattern of limited use. Buyers should verify whether the vehicle was stored with protective measures, as prolonged idling can lead to battery drain, fuel system stagnation, or suspension seal deterioration. Given the history, an in-person inspection should prioritise the front brake system , particularly the near-side caliper and pad wear, as the 2023 advisory indicates potential uneven braking. The rear tyres from the 2025 test warrant close scrutiny—check for residual damage, uneven wear, or signs of repeated punctures that might suggest a recurring issue. Corrosion is a critical concern for a vehicle of this age; examine the suspension bushes, coil springs, and wheel arches for cracks or deterioration, especially if the car has spent extended periods stationary. The exhaust system should also be inspected for leaks or rust-through, as high-mileage Jaguars often develop silent failures in this area. While the MOT record shows no major faults, these areas carry the highest risk for deferred maintenance.