What's my 2018 BMW 3 Series worth?
A 2018 BMW 3 Series is typically advertised for around £9,500 in the UK, with the middle half of asking prices between £7,600 and £11,450. That's from 54 UK adverts for the 2018 3 Series, with a typical advertised mileage of about 86,000 miles. It's a guide to asking prices, not a valuation: mileage, condition, trim and history all move the price of an individual car.
- Median asking price: £9,500
- Typical range: £7,600 – £11,450
- UK adverts: 54
- Typical mileage: 86,000 miles
| Mileage | Median asking price | Adverts |
|---|---|---|
| 40,000–80,000 miles | £11,550 | 18 |
| Over 80,000 miles | £9,000 | 33 |
Typical asking prices from UK adverts (54 adverts for the 2018 BMW 3 Series, updated November 2026). Typical range is the middle half of asking prices. Mileage rows with fewer than 8 adverts are not shown.