2008 Jaguar XK 4.2L Petrol · GD08 WBU

The vehicle achieved a clean pass at its most recent DVSA MOT test on 23 January 2026 with no advisories or defects recorded, which represents a positive outcome and an improvement over earlier tests in the history. However, the trajectory has not been entirely stable, as the 2024 retest carried rear tyre perishing advisories, the 2023 test produced similar advisories on all four tyres, and the 2022 cycle included a failure linked to anti-roll bar ball joint dust cover deterioration alongside brake pad wear advisories. A supplementary restraint system warning lamp fault also caused a fail on the same day as a pass in August 2021, suggesting that the airbag or SRS system had been addressed at that point. Overall, the maintenance trend appears to be stabilising in the most recent cycle, but the recurring tyre and suspension component concerns warrant careful physical inspection before purchase. With 58,698 miles recorded against an 18-year age, this Jaguar XK has covered roughly 3,260 miles annually, which is markedly below average and strongly suggests extended periods of standing or only occasional use rather than regular driving. Such low mileage carries specific mechanical implications beyond simple wear, as vehicles left idle suffer disproportionately from calendar-based degradation of components that do not require mileage to deteriorate. Corrosion of brake discs, binding brake calipers from seized pistons, and oxidation throughout the exhaust system are common consequences, as is 12V battery sulphation from repeated partial discharges. Coolant, brake fluid, and power steering fluid all degrade chemically over time regardless of use, so service history verification is particularly important for a car that may have been garaged for long intervals. A prospective buyer should pay close attention to the recurring tyre perishing advisories recorded across the 2022, 2023, and 2024 tests, noting that tyre sidewall cracking and rubber degradation progress independently of tread depth and accelerate with age, exposure to ultraviolet light, and infrequent use. On a test drive, listen for suspension knocks or clonks over uneven surfaces, particularly from the rear anti-roll bar linkage and ball joints that were flagged in 2022, and pay attention to any vagueness or wandering at speed that could indicate worn bushes. Apply the brakes firmly from a moderate speed to feel for brake shudder, which would suggest disc warping from corrosion, and check for any pulling to one side that may indicate a binding caliper after prolonged standing. Inspect all four tyres carefully for sidewall cracking, uneven shoulder wear, and check the production date codes on the sidewalls, as tyres older than six years should be replaced regardless of remaining tread. Beyond the recorded defects, the supplementary restraint system warning lamp failure from 2021 should be verified as fully resolved, ideally by confirming any diagnostic repair invoices and ensuring the warning lamp extinguishes promptly on ignition without reappearing. The rear brake pad advisory from 2022 should be followed up with a direct inspection of pad material thickness and disc condition, as rear pads on this model can wear unevenly and discs may have corroded if the vehicle stood idle for long periods. Under the bonnet, inspect the coolant header tank for discoloured fluid suggesting overdue renewal, check the brake fluid reservoir for clarity and any moisture ingress, and verify the 12V battery's age and resting voltage, as a weak battery in a low-use vehicle can mask underlying electrical faults. The exhaust system should be examined for rust at joints and the rear silencer, and any signs of blue smoke on start-up would indicate valve seal deterioration from infrequent use. Finally, a compression test and a thorough diagnostic scan for any stored fault codes would be prudent given the vehicle's age and the sporadic nature of its usage pattern.