2021 BMW M4 3.0 BiTurbo Competition
Version: 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
Price: £47,750. Fair price: £832 (1%) over the AskCar estimate of £46,918, our expected asking price for this car from its model, age, mileage and specification, drawing on 743 priced BMW M4 adverts on AskCar as of 31 October 2026.
AskCar lists 764 used BMW M4 from 474 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- M4
- Trim
- Competition
- Version
- 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
- Mileage
- 39,685 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 4
- CO2
- 230 g/km
- Colour
- Black
- Doors
- 2
- Gearbox version
- Steptronic
- Engine badge
- BiTurbo
- Emissions standard
- Euro 6
About this car
This 2021 BMW M4 Competition is advertised with 39,685 miles, approximately 6,300 above the typical mileage for its age. Its asking price of £47,750 is £832 above the AskCar estimate of £46,918. To work out the AskCar estimate, we analyse UK dealer adverts for 743 BMW M4 cars across different ages and specifications. We have tracked this advert today. The latest MOT record shows an expiry date of 10 November 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Sycamore BMW in Peterborough.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £47,750 |
Price and mileage comparison
Fair price: £832 (1%) over the AskCar estimate of £46,918.
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 743 priced BMW M4 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 6,300 miles higher than the median mileage of a 2021 BMW M4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 10 November 2027. 39,688 miles at the last test.
Other matching cars
61 other 2021 BMW M4 Competition automatic petrol cars are for sale at UK dealers from £30,000 to £64,975, as of 31 October 2026.
The 5 cheapest:
- 2021 BMW M4. Price: £30,000. Mileage: 35,000 miles. Dealer: PF Car Sales in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-05e45cb669f6
- 2021 BMW M4. Price: £34,000. Mileage: 115,887 miles. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-725e566b87be
- 2021 BMW M4. Price: £34,977. Mileage: 24,000 miles. Dealer: J.L.A.N Motor Group in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-a3a1883e6bed
- 2021 BMW M4. Price: £37,495. Mileage: 70,400 miles. Dealer: Evolve Motor Company in Newport. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-a1b943e5cbf6
- 2021 BMW M4. Price: £37,950. Mileage: 80,000 miles. Dealer: Car City (Luton) in Luton. AskCar page: https://askcar.co.uk/car/bmw-m4-2021-7c7aa23616b7
The 61 matching cars have covered 5,830 to 115,887 miles, compared with 39,685 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 · 2021 BMW M4 price guide
Photos
57 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 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.