2021 BMW 4 Series
2.0 420i M Sport Auto RWD Euro 6 2dr Step (181 bhp)
£22,498
Fair price: within 8% of the typical £24,403 for this model, age and mileage, drawing on 1,758 adverts of this make and model.
Overview
- Make
- BMW
- Model
- 4 Series
- Trim
- M SPORT
- Version
- 2.0 420i M Sport Auto RWD Euro 6 2dr Step (181 bhp)
- Mileage
- 36,929 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 144 g/km
- Colour
- Black
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
At 36,929 miles, this 2021 BMW 4 Series M Sport has covered about 3,700 fewer miles than other 2021 BMW 4 Series cars. The dealer is asking £22,498, which is £1,905 below our market estimate of £24,403. Our estimate draws on 1,758 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £500 lower than when we first recorded the advert 35 days ago. MOT records show an expiry date of 19 June 2027, and the latest recorded mileage is consistent with the advert. The seller is Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO, based in Wallsend.
Stock data from 22 October 2026.
Price history
First seen on 18 September 2026, 35 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £500 from the first recorded £22,998. 3 price reductions recorded, the latest observed on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 18 September 2026 | £22,998 |
| 22 September 2026 | £23,998 |
| 27 September 2026 | £23,498 |
| 6 October 2026 | £23,998 |
| 9 October 2026 | £22,998 |
| 21 October 2026 | £22,498 |
| 22 October 2026 | £22,498 |
Price and mileage comparison
Estimated market asking price: £24,403. The asking price is £1,905 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 1,758 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 3,700 miles lower than typical for a 2021 BMW 4 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 19 June 2027. 35,141 miles at the last test.
87 other cars with the same year, trim, gearbox and fuel are for sale from £16,995 to £41,000.
| Asking price | Mileage |
|---|---|
| £16,995 | 96,000 miles |
| £17,490 | 56,431 miles |
| £18,990 | 97,313 miles |
| £19,900 | 77,199 miles |
| £20,950 | 70,584 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 4 Series cars for sale · 2021 BMW 4 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
- 2021 BMW 4 Series photo 1
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- 2021 BMW 4 Series photo 20
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