2021 BMW M4 3.0 BiTurbo Competition
Version: 3.0 BiTurbo Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
Price: £44,950. Fair price: £2,967 (6%) under the AskCar estimate of £47,917, 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 Competition Steptronic Euro 6 (s/s) 2dr (503 bhp)
- Mileage
- 35,582 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 4
- CO2
- 231 g/km
- Colour
- Red
- Doors
- 2
- Gearbox version
- Steptronic
- Engine badge
- BiTurbo
- Emissions standard
- Euro 6
About this car
At 35,582 miles, this 2021 BMW M4 Competition has covered about 2,800 more miles than other 2021 BMW M4 cars. The dealer is asking £44,950, which is £2,967 below the AskCar estimate of £47,917. To work out the AskCar estimate, we analyse UK dealer adverts for 748 BMW M4 cars across different ages and specifications. This car was first seen in our listings data 58 days ago. MOT records show an expiry date of 28 December 2026, and the latest recorded mileage is consistent with the advert. The seller is Cotswold Bmw Cheltenham, based in Cheltenham.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 2 September 2026, 58 days ago.
| Date observed | Asking price |
|---|---|
| 2 September 2026 | £44,950 |
| 30 October 2026 | £44,950 |
Price and mileage comparison
Fair price: £2,967 (6%) under the AskCar estimate of £47,917.
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 2,800 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 28 December 2026. 27,554 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 30 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: £37,990. 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 35,582 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
23 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 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.