2018 BMW I3 0.6L Hybrid electric · AE18 UUN

The BMW i3 is one of the more economical premium vehicles to run, with the hybrid electric powertrain delivering official fuel economy figures of around 60 mpg combined when the range extender is used regularly. Annual road tax for a hybrid vehicle of this era typically falls into the £0-£150 band depending on list price, and insurance sits in groups 21-29, so expect premiums in the £400-£700 range for an experienced driver. Routine maintenance such as tyres, brake fluid, and air filter changes will run £200-£400 annually at a BMW specialist.

Estimated annual running cost: £800-£1,200, including fuel, tax, insurance, and routine servicing. Because the i3 uses unconventional materials and a unique drivetrain, some repairs outside of the standard service schedule can be pricier than a conventional hatchback — source quotes from a BMW i-series specialist rather than a general garage where possible.

Inspect the four tyres closely for tread depth and any cracking in the sidewalls — the 2025 MOT flagged perishing on all corners, so fresh rubber is almost certainly required. Lift the car or use a torch to examine the rear undertray area for any oil staining, as a non-excessive leak was noted in March 2024; check that this has not worsened. The front brake discs should be measured for remaining thickness and inspected for lipping, as pitting was recorded in early 2024.

Beyond the MOT items, this BMW i3 should be inspected on a BMW diagnostic tool to check for any fault codes relating to the high-voltage battery, the range extender petrol engine, or the charging system. Test the electric range on a full charge and verify the range extender kicks in smoothly when battery is depleted. Examine the carbon-fibre reinforced plastic body panels and aluminium chassis for any crash damage or kerb scuffs, as these are expensive to repair and may not show on the MOT record. Finally, confirm all charging equipment is present and functional.