2021 BMW 3 Series
2.0 318i M Sport Auto RWD Euro 6 (s/s) 4dr (154 bhp)
£19,720
Good value: £1,766 under the typical £21,486 for this model, age and mileage, drawing on 6,724 adverts of this make and model.
Overview
- Make
- BMW
- Model
- 3 Series
- Trim
- M SPORT
- Version
- 2.0 318i M Sport Auto RWD Euro 6 (s/s) 4dr (154 bhp)
- Mileage
- 31,866 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 154 bhp
- Seats
- 5
- CO2
- 146 g/km
- Colour
- Black
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 318i
- Emissions standard
- Euro 6
About this car
This 2021 BMW 3 Series M Sport has covered 31,866 miles, around 22,800 fewer than typical for its age. The dealer is asking £19,720, which is £1,766 below our market estimate of £21,486. Our estimate draws on 6,724 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 50 days ago, the asking price has dropped by £410. MOT records show an expiry date of 30 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Evans Halshaw Vauxhall Kilmarnock, based in Kilmarnock.
Stock data from 23 October 2026.
Price history
First seen on 4 September 2026, 50 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £410 from the first recorded £20,130. 3 price reductions recorded, the latest observed on 29 September 2026.
| Date observed | Asking price |
|---|---|
| 4 September 2026 | £20,130 |
| 8 September 2026 | £19,980 |
| 16 September 2026 | £20,360 |
| 22 September 2026 | £20,140 |
| 29 September 2026 | £19,720 |
| 23 October 2026 | £19,720 |
Price and mileage comparison
Estimated market asking price: £21,486. The asking price is £1,766 below this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 6,724 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 22,800 miles lower than typical for a 2021 BMW 3 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 30 March 2027. 29,049 miles at the last test.
181 other cars with the same year, trim, gearbox and fuel are for sale from £14,000 to £29,990.
| Asking price | Mileage |
|---|---|
| £14,000 | 110,887 miles |
| £14,000 | 93,863 miles |
| £14,335 | 88,796 miles |
| £14,895 | 93,000 miles |
| £14,995 | 87,565 miles |
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
Vehicle photos
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- 2021 BMW 3 Series photo 20
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