2003 Jaguar S-Type 2.5L Petrol · SH 5574

The most recent MOT, carried out on 22 April 2026, was passed but returned two advisories – a non‑excessive oil leak and a severely deteriorated dust‑cover on the nearside rear upper suspension arm. Over the last three years the vehicle has alternated between passes and failures, with the 2024 and 2026 failures both driven by rear tyre condition and rear suspension dust‑cover degradation. Although the latest result is a pass, the recurrence of tyre and suspension dust‑cover issues indicates a maintenance trend that is not improving; the car remains on a marginal footing and will require targeted remedial work to restore a robust safety margin. At 74,250 mi recorded for a 2003 build the average annual mileage works out at roughly 3,200 mi, which is well below the typical UK usage pattern for a vehicle of this age. Such low utilisation often points to long periods of inactivity rather than gentle, consistent driving. While low mileage reduces cumulative wear on engine internals and drivetrain components, prolonged standing can accelerate tyre perishing, battery sulphation, and corrosion of suspension bushings and brake hardware. The mileage figure therefore masks the risk of age‑related degradation that is not reflected in the odometer. Prospective buyers should focus on the rear tyre and suspension condition. Both rear tyres have been flagged for tread below legal limits, edge damage, and even a structural tear, meaning replacement of the rear set is imminent; inspect the tyres for dry rot, sidewall cracking, and uneven wear that may hint at mis‑alignment or worn bushings. Examine the rear upper suspension arm dust‑covers on both sides – the nearside is already severely deteriorated and the off‑side was previously recorded as a major defect – and verify that the ball‑joint bearings are free of play and that the rod ends are not noisy when the wheel is rocked. Listen for clunking or knocking over bumps, feel for any looseness in the rear steering geometry, and confirm that the rear direction indicator emits the correct amber colour. The oil leak advisory should be traced to its source – common culprits are the valve‑cover gasket, oil‑pan gasket or a leaking oil filter housing – and the oil level should be checked for drops after a short drive. Given the vehicle’s age and low‑use profile, a thorough age‑related inspection is essential. Check the tyre sidewalls for perishing, especially on the front set which have not been recorded as defective but may suffer from calendar ageing. Inspect the 12‑volt battery for sulphation, test its cranking voltage and consider a load test; a battery older than ten years often fails under load even if it appears charged. Examine the brake discs for surface rust, scoring or glazed patches, and verify that the calipers move freely without binding – standing can cause pistons to seize. Look for corrosion on the chassis, particularly around suspension mounting points, sub‑frame and exhaust hangers, and ensure that all fluid reservoirs – coolant, brake, power‑steering and gearbox – are topped up and that the fluids have been changed in line with calendar recommendations rather than mileage alone. A complete service history, with stamps confirming recent oil, filter and timing‑belt (or chain) work, will provide the final reassurance needed before committing to purchase.