2020 BMW M4 3.0 BiTurbo Competition
Version: 3.0 BiTurbo GPF Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
Price: £31,000. Good value: £4,423 (12%) under the AskCar estimate of £35,423, our expected asking price for this car from its model, age, mileage and specification, drawing on 748 priced BMW M4 adverts on AskCar as of 30 October 2026.
AskCar lists 768 used BMW M4 from 477 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- M4
- Trim
- Competition
- Version
- 3.0 BiTurbo GPF Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
- Mileage
- 32,968 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 444 bhp
- Seats
- 4
- CO2
- 217 g/km
- Colour
- Blue
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Gearbox version
- DCT
- Engine badge
- BiTurbo
- Emissions standard
- Euro 6
About this car
This 2020 BMW M4 Competition is advertised with 32,968 miles, approximately 3,400 below the typical mileage for its age. Its asking price of £31,000 is £4,423 below the AskCar estimate of £35,423. The AskCar estimate uses UK dealer asking prices, including 748 BMW M4 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its recorded MOT is valid until 10 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Saxtons.co.uk, based in Chelmsford.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £31,000 |
Price and mileage comparison
Good value: £4,423 (12%) under the AskCar estimate of £35,423.
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 748 priced BMW M4 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 3,400 miles lower than the median mileage of a 2020 BMW M4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 10 March 2027. 30,675 miles at the last test.
Other matching cars
42 other 2020 BMW M4 Competition automatic petrol cars are for sale at UK dealers from £28,590 to £41,995, as of 30 October 2026.
The 5 cheapest:
- 2020 BMW M4. Price: £28,590. Mileage: 64,850 miles. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-1f946e622274
- 2020 BMW M4. Price: £28,990. Mileage: 51,000 miles. Dealer: ET motor group in High Ongar. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-10f55fecc661
- 2020 BMW M4. Price: £28,995. Mileage: 81,406 miles. Dealer: Ideal Car Centre in Bilston. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-ed20c8f44bf6
- 2020 BMW M4. Price: £29,990. Mileage: 59,500 miles. Dealer: AS Cars (UK) in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-a196a30582ed
- 2020 BMW M4. Price: £29,995. Mileage: 73,460 miles. Dealer: ARJ Motors in Addlestone. AskCar page: https://askcar.co.uk/car/bmw-m4-2020-61d079d3813a
The 42 matching cars have covered 13,300 to 81,406 miles, compared with 32,968 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW M4 cars for sale · 2020 BMW M4 price guide
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.