2018 MINI Cooper 1.5L Diesel · YD68 FGA

The 1.5-litre diesel MINI Cooper is officially rated in the high-50s to low-60s mpg under WLTP conditions, though real-world figures typically fall into the 45-55 mpg bracket depending on driving style. As a 2018 diesel, this car sits in a relatively favourable road tax band compared to newer or higher-capacity vehicles, though exact VED will depend on the original list price. Insurance for a MINI Cooper typically falls into groups 15-20, making it moderately affordable to insure, particularly for drivers with a few years of no-claims bonus.

Estimated annual running costs, covering fuel, tax, insurance, and routine maintenance, are likely to fall in the region of £1,500-£2,000. Diesel MINI parts can be pricier than equivalent petrol models, and specialist servicing is often recommended. Budget additionally for potential DPF issues if the car has been used predominantly for short trips, as this is a common failure point on urban-driven diesel MINIs of this generation.

Start with a cold-start check: diesel MINIs can develop injector and timing chain issues, so listen for any rattling on startup that does not quieten within a few seconds. Inspect the front tyres carefully, as the 2022 MOT flagged both front tyres worn to 3mm on their edges, which suggests the camber or tracking may be slightly out, or the tyres are simply due for replacement every two to three years. Uneven inner-edge wear can also point to worn suspension components such as wishbone bushes or drop links, which are common on MINIs of this age and mileage. Check the rear tyres too, as wear patterns across the axle can reveal alignment or suspension concerns.

Beyond the MOT-recorded items, the diesel variant deserves attention to the emissions system, particularly the DPF, EGR valve, and AdBlue injector if fitted. Ask the seller about typical journey length; a diesel that has spent most of its life on short urban runs is more likely to suffer DPF blockages. Inspect the bodywork for stone chips and parking scuffs, which are common on blue MINIs of this age given the model's city-car appeal. Finally, verify the operation of all electrical systems, including the infotainment screen, which can suffer pixel failure, and the central locking, which has been known to develop faults on this generation.