2003 Jaguar XK8 4.2L Petrol · X1 ARF

The 2003 Jaguar XK8 presents a mixed roadworthiness picture as of its most recent MOT on 29 July 2025 at 91,345 miles. The vehicle passed, but the tester flagged corrosion on both rear coil springs and a separate advisory for rear structural corrosion, alongside worn nearside rear drive shaft joints and perishing front tyres. Comparing this to the clean pass recorded on 18 July 2024 at 89,663 miles, the maintenance trend has clearly deteriorated over the last twelve months. The emergence of corrosion-related advisories on the rear suspension and subframe suggests the car may have been stored or stood for extended periods, allowing moisture to attack vulnerable steel components. The mileage profile is notably low for a 23-year-old vehicle. Annual use averages roughly 3,972 miles, with the 2024 to 2025 interval covering only 1,682 miles in twelve months. The record shows a steady but sparse history of testing, with the car moving 2,445 miles between April 2022 and April 2023, then just 837 miles to March 2021. Such low annual accumulation is consistent with a grand tourer used sparingly, but prolonged sitting accelerates deterioration of rubber bushes, seals, and exposed metalwork in ways that mileage alone does not reveal. Buyers should focus their physical inspection on the rear suspension and underbody. The corroded rear coil springs flagged in 2025 are a direct replacement item, but the accompanying structural corrosion advisory on the rear vehicle structure warrants a thorough check with a torch and probe. Surface rust on a unibody structure can hide deeper section loss, particularly around mounting points and inner arches. The worn nearside rear drive shaft joint, noted as not excessive, should be checked for play on a lift, as CV joint failure on these cars often starts with a click during tight turns before progressing to vibration. The 2022 advisories for worn front anti-roll bar bushes and slight rear wheel bearing play did not reappear in later tests, suggesting they may have been addressed, though no explicit repair confirmation exists in the record. Front tyre condition was flagged in 2025, so verify the date codes and remaining tread depth on both front tyres, as perished rubber on a low-mileage car often results from age rather than use. A pre-purchase inspection should also examine the exhaust system, brake calipers for signs of binding, and all suspension bushes, given the corrosion pattern emerging at the rear.