2011 Jaguar XJ 3.0L Diesel · SD61 AEN

The Jaguar XJ’s MOT history presents a stable but irregular pattern of compliance, with the most recent test in November 2025—just eight months ago—showing no defects at 158,500 miles. The vehicle passed without advisories or failures in three of the four tests, including the latest, suggesting that when presented for inspection, it meets current roadworthiness standards. However, the failure in November 2025—recorded just ten days before the passing test—raises a red flag. Since no defects were logged, this could imply a procedural or administrative issue rather than a mechanical one, but it nonetheless indicates a lapse in either pre-test preparation or tester consistency. The absence of recurring advisories or defects over the past three years implies that major structural or safety-critical components have not deteriorated rapidly, though the lack of detailed records leaves some uncertainty about underlying wear. The mileage accumulation of roughly 10,567 miles per year aligns with typical usage for a 15-year-old vehicle, though the data reveals a notable gap between the 2024 and 2025 tests—just over a year without an MOT. This suggests either infrequent testing or a period of lower mileage, possibly due to storage or reduced use. The 822-mile increase between the 2024 and 2025 tests (from 155,788 to 158,420/158,500) is modest, reinforcing the impression of light to moderate usage. Without additional service records, it’s impossible to confirm whether this reflects conscientious maintenance or simply deferred upkeep. The clean MOT history, however, does not indicate severe neglect. For a buyer, the primary focus should be on components not explicitly tested during MOTs, particularly those prone to silent degradation in luxury vehicles of this age. The suspension—specifically the rear coil springs, anti-roll bars, and bushings—should be inspected for wear or corrosion, as these are common failure points in high-mileage Jaguars. Braking performance, including the condition of the rear brake calipers and discs, is critical; binding or uneven wear could have been missed in tests where no defects were logged. Structural integrity, especially around the wheel arches and underbody, should be checked for corrosion or fatigue cracks, given the vehicle’s age and the potential for moisture ingress in a premium model. Finally, the exhaust system and emissions controls should be verified, as these can degrade without triggering an MOT failure. The absence of advisories does not guarantee these areas are sound, and a pre-purchase inspection by a specialist in Jaguar diagnostics would be advisable.