2021 BMW 4 Series
2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
£24,490
Fair price: within 8% of the typical £23,071 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 (s/s) 2dr (181 bhp)
- Mileage
- 49,604 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 151 g/km
- Colour
- Black
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
This 2021 BMW 4 Series M Sport has covered 49,604 miles, around 8,900 more than typical for its age. At £24,490, it is advertised £1,419 above our estimated market asking price of £23,071. We use UK dealer asking prices, including 1,758 BMW 4 Series listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 3 days ago. MOT records show an expiry date of 15 November 2026, and the latest recorded mileage is consistent with the advert. The seller is Halliwell Jones Warrington BMW, based in Warrington.
Stock data from 22 October 2026.
Price history
First seen on 20 October 2026, 3 days ago. Advert duration calculated on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 20 October 2026 | £24,490 |
| 22 October 2026 | £24,490 |
Price and mileage comparison
Estimated market asking price: £23,071. The asking price is £1,419 above 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 8,900 miles higher than typical for a 2021 BMW 4 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 15 November 2026. 38,370 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.
