What's my 2021 BMW 3 Series worth?
A 2021 BMW 3 Series is typically advertised for around £18,750 in the UK, with the middle half of asking prices between £12,950 and £20,800. That's from 27 UK adverts for the 2021 3 Series, with a typical advertised mileage of about 58,000 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: £18,750
- Typical range: £12,950 – £20,800
- UK adverts: 27
- Typical mileage: 58,000 miles
Typical asking prices from UK adverts (27 adverts for the 2021 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.