1986 Jaguar XJ 4.2L Petrol · C151 CYW

The latest MOT test for the 1986 Jaguar XJ was completed on 2026-03-06 and resulted in a PASS, indicating that the vehicle met all regulatory standards at that time. However, reviewing the full history reveals a pattern of passing tests over the past two years, with only one recent failure in March 2024. This suggests a generally stable maintenance record, though the single failure warrants attention. The vehicle’s age and mileage—93,775 miles at approximately 40 years—mean that wear on critical systems such as the suspension, brakes, and drivetrain is expected to increase over time. The annual usage rate of around 2,344 miles per year is relatively low, which could point to lighter usage or extended periods of inactivity, but it also implies that components may not be subjected to the same stress as newer models. The recorded mileage is notably lower than the typical wear expected for a vehicle of this era, especially when considering the 1986 model year. This discrepancy may reflect either conservative driving habits or a longer period of stationary use, which can affect the integrity of parts like the exhaust system, electrical components, and structural elements. On a test drive, potential issues to monitor include unusual clunking from suspension components, uneven tyre wear patterns, or a faint shudder when braking. These symptoms could indicate developing wear in the bushings, calipers, or brake discs. Additionally, the 12V battery should be inspected for corrosion or reduced capacity, as older batteries often lose efficiency. For buyers who have not yet had the vehicle serviced, it is essential to focus on age-related checks such as verifying the condition of the tyre sidewalls for cracking or perishing, ensuring the battery remains robust, and confirming that all fluid levels are adequate. The service book stamps should be reviewed to confirm regular maintenance intervals, particularly for the brakes and suspension. Given the clean MOT history and the vehicle’s relatively low mileage compared to its age, the primary concerns lie in the gradual accumulation of wear rather than immediate failure risks. A thorough pre-purchase inspection should prioritize these areas to ensure long-term reliability.