2015 Aston Martin DB9 5.9L Petrol · JB65 AML

The most recent DVSA roadworthiness test on this Aston Martin DB9 was conducted on 24 June 2025 and resulted in a clean pass, with no defects, advisories, or failures recorded. Looking back over the available test history, the vehicle has demonstrated an entirely stable and consistent maintenance profile, passing every test it has been presented for since the lone failure recorded on 30 September 2021, which itself carries no defect details. The absence of any advisories across three subsequent tests is particularly encouraging, as advisory items are typically raised for borderline components such as tyre tread depth approaching the legal limit, early signs of brake wear, minor fluid seepage, or surface corrosion. A clean record of this nature suggests the car has been conscientiously prepared for each annual examination, though it should be borne in mind that MOT testing is a minimum standards check and does not necessarily reflect the depth of mechanical servicing carried out underneath. With a recorded mileage of just 5,255 miles against an eleven-year vehicle age, this DB9 has averaged approximately 478 miles per year, which is exceptionally low even by the standards of a luxury grand tourer that may see only seasonal use. The MOT gap between the 2021 tests and the 2023 entry suggests periods of dormancy or very light use, and such low annual mileage carries its own particular mechanical considerations. Extended standing periods can lead to moisture accumulation in the engine and gearbox, degradation of rubber and polymer components, and the gradual drying of seals and gaskets, all of which can precipitate leaks when the vehicle is returned to regular use. Brake discs and calipers are especially vulnerable to corrosion when a vehicle is not driven regularly, with surface oxidation and seized caliper slides being common findings on low-mileage cars of this vintage. The 12V battery, if not maintained on a trickle charger, will almost certainly have suffered reduced capacity, and age-related perishing of the sidewalls should be expected on the original or near-original tyres regardless of their remaining tread depth. Given the very low recorded mileage and the clean MOT history, a prospective buyer should approach this car with a focus on age-related rather than wear-related deterioration. A thorough physical inspection should begin with the tyres, checking for sidewall cracking, perishing, and any distortion from prolonged standing, as tyres over six years old typically require replacement regardless of tread remaining. The brake discs should be examined for significant corrosion pitting on the friction surfaces and the calipers carefully checked for binding or seized pistons, which would manifest as uneven braking response or pulling to one side under light application. All fluid systems, including engine oil, coolant, brake fluid, power steering fluid, and clutch hydraulic fluid, will have degraded over time irrespective of mileage and should be considered for renewal as a matter of course, as brake fluid in particular is hygroscopic and should be replaced at least every two years to maintain its boiling point and corrosion-inhibiting properties. Beyond the consumables, attention should be directed towards the areas most affected by infrequent use. The 12V battery should be load-tested rather than merely voltage-checked, as resting voltage can mask significant capacity loss, and the charging system should be verified to ensure it is maintaining the battery correctly during running. The exhaust system, including the catalytic converters and the flexible sections, is susceptible to internal corrosion from condensation buildup during short or infrequent journeys where the system does not reach full operating temperature, so a careful inspection for exhaust leaks and warning lights relating to emissions or lambda sensors is advisable. Under the bonnet, all rubber hoses, drive belts, and ancillary components should be examined for hardening and cracking, and the underbody, including suspension arms, bushes, and the distinctive bonded aluminium chassis structure of the DB9, should be checked for any signs of electrolytic corrosion or fluid staining that standing conditions can exacerbate. A pre-purchase inspection by a specialist familiar with Aston Martin VH platform vehicles is strongly recommended, with particular emphasis on the operation of the Touchtronic transmission, the function of the adaptive dampers, and a comprehensive diagnostic scan to reveal any historic fault codes stored within the vehicle's many electronic control modules that would not appear on an MOT test.