2018 Aston Martin DB11 4.0L Petrol · AE68 UCL

Fuel economy for the 4.0-litre V8 DB11 typically sits in the mid-20s mpg on a run, dropping into the high teens around town — plan on a combined figure closer to 23-25 mpg if driven gently. Road tax sits in a high band given the engine size and CO2 output, and insurance will be substantial: the DB11 usually sits in group 50, making annual premiums of £1,500-£3,000+ realistic depending on driver profile and postcode.

Servicing is where ownership really bites. An Aston main-dealer service can comfortably exceed £1,500-£2,500, with major items (brake fluid, coolant, differential oil, spark plugs) adding up quickly over a two- or three-year ownership cycle. Realistically, budget £3,000-£5,000 per year for routine maintenance on top of fuel, tax, and insurance, with a healthy contingency for the unexpected.

The MOT history shows no structural or mechanical failures, which is reassuring but does not cover areas outside the test scope. Specifically inspect the underside for fluid leaks, corrosion around the aluminium body panels (particularly wheel arches and sills), and condition of the undertrays — these are vulnerable on a low-slung GT that may have been driven enthusiastically. Examine all four tyres for even wear, as the 2023 advisory noted a nail in the nearside rear; uneven rear wear on a DB11 can indicate alignment, suspension, or differential issues.

For the 4.0-litre V8, listen carefully on cold start for any timing chain rattle and check the dashboard for any engine management lights. The Mercedes-AMG-derived M177 unit is generally robust but can suffer from oil consumption issues if driven hard or infrequently — ask for evidence of recent oil level checks. Finally, test every electrical function including the infotainment screen, door mechanisms, and convertible (if applicable) operation, as rectification of electrical faults on these cars is disproportionately expensive.