2020 BMW 4 Series 2.0 420i M Sport
Version: 2.0 420i M Sport Auto RWD Euro 6 2dr (181 bhp)
Price: £15,450. Good value: £2,348 (13%) under the AskCar estimate of £17,798, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,775 priced BMW 4 Series adverts on AskCar as of 1 November 2026.
AskCar lists 1,816 used BMW 4 Series from 1,043 UK dealerships, as of 1 November 2026.
Overview
- Make
- BMW
- Model
- 4 Series
- Trim
- M Sport
- Version
- 2.0 420i M Sport Auto RWD Euro 6 2dr (181 bhp)
- Mileage
- 56,510 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 134 g/km
- Colour
- Black
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
This 2020 BMW 4 Series M Sport has covered 56,510 miles, around 14,000 more miles than is typical for its age. Priced at £15,450, it is advertised £2,348 below the AskCar estimate of £17,798. The AskCar estimate draws on 1,775 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The latest MOT record shows an expiry date of 24 April 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Perfect Car Company in Shrewsbury.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £15,450 |
Price and mileage comparison
Good value: £2,348 (13%) under the AskCar estimate of £17,798.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,775 priced BMW 4 Series adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 14,000 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 24 April 2027. 53,664 miles at the last test.
Other matching cars
20 other 2020 BMW 4 Series M Sport automatic petrol cars are for sale at UK dealers from £14,790 to £53,950, as of 1 November 2026.
The 5 cheapest:
- 2020 BMW 4 Series. Price: £14,790. Mileage: 63,000 miles. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-bb099ef14ad0
- 2020 BMW 4 Series. Price: £15,290. Mileage: 45,681 miles. Dealer: Evans Halshaw Ford Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-a10c441b6605
- 2020 BMW 4 Series. Price: £16,350. Mileage: 19,927 miles. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-74ef8c894940
- 2020 BMW 4 Series. Price: £17,999. Mileage: 36,373 miles. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-873241c52bd2
- 2020 BMW 4 Series. Price: £18,260. Mileage: 36,608 miles. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-4fd7204f8aed
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 4 Series cars for sale · 2020 BMW 4 Series price guide
More like this
Photos
63 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.