2003 Jaguar S-Type 4.2L Petrol · MH03 WFP

With no advisories recorded across five consecutive MOT tests and a pattern in which each failure is immediately followed by a clean pass, this 23-year-old Jaguar S-Type presents a stable and reassuring roadworthiness profile at face value. The most recent test on 8 May 2025 resulted in a failure, yet the absence of any defect entries against the examination is unusual within the DVSA framework, suggesting either a refusal of the test itself or a withdrawal before results were captured, rather than a mechanically defined failure point. The 2024 and 2023 passes, separated by the prior April 2023 refusal, demonstrate a consistent ability to meet statutory standards once presented for inspection. Crucially, the lack of advisory items across the entire recorded window indicates that no examiner has flagged corrosion, brake wear, suspension deterioration, exhaust degradation, or fluid leaks as meriting attention at the point of test, which is a notably positive signal for a vehicle of this age. Against an age of 23 years, the recorded odometer reading of 124,969 miles equates to an average annual accumulation of roughly 5,433 miles, which is significantly below typical usage for a saloon car and places the vehicle firmly in the low-mileage bracket for its age bracket. This profile is mechanically double-edged: it reduces wear on major drivetrain components such as the engine, automatic transmission, and final drive, but it also raises the likelihood of prolonged standing periods during which seals, gaskets, hoses, and rubber-mounted components can deteriorate through inactivity rather than use. The five-year testing window from 2022 through 2025 shows annual or near-annual presentation, which suggests the car has remained in active use rather than dormant storage, though a prospective buyer cannot confirm whether substantial lay-up periods occurred between the 2022 test and earlier history that falls outside the recorded dataset. Where mileage appears inconsistent between readings, this should be queried with the keeper; for low-mileage Jaguar saloons of this era, verifying MOT mileage entries against service records is essential. From a component standpoint, the clean advisory record means there is no specific flagged area to prioritise, yet the mechanical character of the 2003 S-Type, particularly with the AJ-V6 petrol and diesel variants, dictates that certain test-drive checks should be conducted regardless. The vehicle should be observed from cold start for excessive smoke from the exhaust, unusual injector or timing chain rattle, and any illuminated warning lights on the instrument cluster, as diesel variants in particular are known for injector and dual-mass flywheel concerns that would not necessarily surface during a stationary MOT examination. On the move, listen for clonks or knocking from the front suspension over speed humps and uneven surfaces, as front lower wishbone bushes, anti-roll bar drop links, and coil spring seats are common wear items that an MOT examiner may not flag until play is pronounced. The steering should be checked for any vagueness, knocking through the rack, or pulling under braking, which can indicate worn track rod ends or compliance bush issues. Braking performance warrants particular attention given the age of the car, with pedal feel assessed for sponginess or excessive travel that could indicate perished brake servo seals, and any vibration or judder through the pedal under steady pressure suggesting warped front discs, a known wear item on S-Types approaching this mileage band. The footbrake should be applied firmly from speed to confirm the car stops straight and true without any pull to either side, and the handbrake tested on an incline to verify it holds without excessive travel, as rear caliper mechanisms and park brake cables can seize on vehicles that have seen limited use. A thorough under-bonnet inspection should look for signs of oil weepage from the cam cover gaskets, coolant residue around the header tank and radiator pipes, and condition of the auxiliary drive belts, while underneath, the sills, subframe mounting points, and rear suspension pick-up points should be examined for surface corrosion that could become structurally relevant at future tests. Given the overall clean advisory record, a pre-purchase inspection by a specialist familiar with Jaguar products remains strongly advisable to confirm the condition of items that fall outside the MOT scope.