BMW i3 120Ah running costs (2018–2022)
Real-world UK ownership figures for the BMW i3 120Ah, including home-charging cost, road tax (VED), insurance group and depreciation. All numbers based on observed UK driving, not lab WLTP figures.
Key figures at a glance
- Fuel type: electric
- Body style: hatchback
- Efficiency: 3.45 mi/kWh real-world (4.33 official WLTP)
- Real-world range: 145 miles (182 official)
- Battery: 42 kWh usable
- CO₂: 0 g/km
- Road tax (VED) year one: £10
- Road tax standard rate: £200/yr
- Five-year VED total: £810
- Insurance group: 28/50
- Depreciation outlook: good
- List price: £35,000
- Indicative annual charging cost (10,000 mi): £246
Save ~£179/month via salary sacrifice — this i3 costs ~£346/month from gross salary through a scheme, vs a like-for-like personal lease. See the full breakdown →
The BMW i3 120Ah returns 3.45 mi/kWh real-world (4.33 official WLTP). At 10,000 miles a year that translates to roughly £246 in home-charging cost on a typical EV tariff, before insurance, servicing or depreciation.
Road tax sits at £10 in year one and £200 per year thereafter. Insurance group 28 of 50 puts it in the mid-to-upper bracket for UK quotes.
Related pages
- BMW i3 120Ah kWh per mile and charging cost
- BMW i3 120Ah road tax breakdown
- Other BMW models
- BMW 3 Series 320i
- BMW 3 Series 320d
- BMW iX3 Premier Edition
- BMW i4 eDrive35
Frequently asked questions
How much does it cost to charge the BMW i3 120Ah at home?
At 3.45 mi/kWh real-world efficiency and 10,000 miles a year on a typical 9p/kWh overnight EV tariff, expect roughly £261 per year on home charging. Public rapid charging is 5–8× more per kWh — use the charging cost calculator for your own mileage and tariff.
How much is road tax on the BMW i3 120Ah?
Road tax (VED) for the BMW i3 120Ah is £10 in the first year and £200 per year at the standard rate. See the road tax page for the five-year total.
Is the BMW i3 120Ah expensive to insure?
The BMW i3 120Ah sits in insurance group 28 of 50 — the mid-to-upper bracket for UK quotes. See the insurance group page for the class-average premium and what actually moves your quote.