1996 Jaguar XJS 4.0L Petrol · N29 XJS

The most recent DVSA examination on 14 May 2026 resulted in a clean pass with no defects, advisories, or minor items recorded, and this follows a similarly unblemished pass at the previous test on 20 May 2025. Reviewing the longer pattern, the vehicle has demonstrated a generally stable and well-maintained presentation, with passes stretching back to 2019 and only one outright failure in the recorded sequence, which occurred on 26 August 2023. That failure was isolated to exhaust emissions, specifically excessive carbon monoxide at idle and after the second fast idle, alongside Lambda and hydrocarbon figures falling outside manufacturer tolerances. Crucially, the emissions-related concerns did not recur at the subsequent 2023 September, 2025, or 2026 examinations, suggesting the underlying cause was rectified, likely through exhaust system or catalytic converter attention, engine tuning, or oxygen sensor replacement. Overall, the trend is one of stable roadworthiness with no progressive deterioration across structural, braking, or lighting categories. The recorded mileage of 71,255 miles against a 1996 manufacture year equates to an average annual accumulation of approximately 2,375 miles, which is well below the typical usage rate for a vehicle of this vintage. Such low mileage over thirty years implies either prolonged periods of standing, very occasional leisure use, or significant gaps in activity, and this is corroborated by the MOT testing cadence which shows tests clustered between 2019 and 2026 with longer intervals earlier in the timeline. While low mileage preserves internal engine and drivetrain components from wear, it introduces its own set of mechanical concerns, particularly regarding seals, gaskets, hoses, and rubber components that deteriorate through age rather than use. It is also worth noting that a historic advisory in 2021 recorded oil leaks from both the engine and gearbox, classified as not excessive at the time, and any prospective buyer should remain alert to whether these have progressed in the intervening years given the limited use. For a prospective purchaser, the absence of recurring advisories on the braking system is positive, particularly as the 2021 test noted an offside front service brake binding issue that has not reappeared. Nevertheless, given the vehicle's age and low usage profile, a thorough physical inspection should focus on the consequences of standing rather than wear. Brake calipers, particularly on the offside front, should be checked for sticking pistons or seized slide pins, as binding calipers are a common consequence of infrequent use and can manifest as pulling to one side under braking or uneven pad deposition on the disc. Discs should be inspected for severe corrosion, lipping, or pitting, and the handbrake mechanism, rear calipers, and flexible brake hoses should be examined for perishing or seizing. On the test drive, listen for any scraping, grinding, or pulling sensation, and verify that the pedal feels firm without excessive travel. Beyond braking, attention should turn to age-related degradation across the rest of the vehicle. Tyres, despite potentially retaining legal tread, are thirty years of age in terms of their oldest possible rubber compound and should be examined closely for sidewall cracking, perishing, or UV damage, with replacement strongly advised if the sidewall date code suggests rubber beyond six to seven years old. The 12-volt battery should be load-tested, as prolonged standing rapidly depletes battery health and can mask underlying alternator or parasitic drain issues. All fluid systems require scrutiny on a calendar basis rather than mileage, meaning engine oil, coolant, brake fluid, power steering fluid, automatic transmission fluid, and differential oil should be considered for renewal regardless of the odometer reading, as moisture absorption and additive degradation occur with age. Examine all under-bonnet hoses, drive belts, and the cooling system for perishing or leaks, and given the 2021 gearbox oil leak advisory, inspect the transmission sump, selector shaft seals, and surrounding area for fresh seepage. Finally, given the 1996 specification, verify the condition of the suspension bushes, coil springs, shock absorbers, and the distinctive Jaguar rear suspension geometry, listening for any clonks or knocking over uneven surfaces and checking for uneven tyre wear which would indicate alignment or component wear.