2023 BMW M3 3.0 Competition
Version: 3.0 Competition Auto 4dr M
Price: £58,199. Fair price: £1,076 (1%) under the AskCar estimate of £59,275, our expected asking price for this car from its model, age, mileage and specification, drawing on 758 priced BMW M3 adverts on AskCar as of 29 October 2026.
AskCar lists 817 used BMW M3 from 467 UK dealerships, as of 29 October 2026.
Overview
- Make
- BMW
- Model
- M3
- Trim
- Competition
- Version
- 3.0 Competition Auto 4dr M
- Mileage
- 21,040 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 3.0 L
- Gearbox
- Automatic
- Seats
- 5
- Colour
- Grey
- Doors
- 4
- Engine badge
- Competition
About this car
The advertised mileage for this 2023 BMW M3 Competition is 21,040 miles. Its asking price of £58,199 is £1,076 below the AskCar estimate of £59,275. The AskCar estimate uses 758 UK dealer adverts for the BMW M3, with adjustments 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 11 July 2027, with the advertised mileage consistent with the recorded reading. You can find this car at cinch in Salisbury.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £58,199 |
Price and mileage comparison
Fair price: £1,076 (1%) under the AskCar estimate of £59,275.
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 758 priced BMW M3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 100 miles lower than the median mileage of a 2023 BMW M3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 11 July 2027. 19,050 miles at the last test.
Other matching cars
105 other 2023 BMW M3 Competition automatic petrol cars are for sale at UK dealers from £54,995 to £77,995, as of 29 October 2026.
The 5 cheapest:
- 2023 BMW M3. Price: £54,995. Mileage: 54,000 miles. Dealer: V G Performance Cars in Andover. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-38320d603df1
- 2023 BMW M3. Price: £54,995. Mileage: 36,430 miles. Dealer: MB Motor Group in Bradford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-45d389785702
- 2023 BMW M3. Price: £55,450. Mileage: 48,499 miles. Dealer: Vogue Automotive in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-36c2bfca211a
- 2023 BMW M3. Price: £55,950. Mileage: 15,672 miles. Dealer: Lloyd Cockermouth BMW in Cockermouth. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-57e957b4c4dd
- 2023 BMW M3. Price: £55,950. Mileage: 15,672 miles. Dealer: Lloyd Cockermouth BMW in Cockermouth. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-b4d4951715ea
The 105 matching cars have covered 4,742 to 54,000 miles, compared with 21,040 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 M3 cars for sale · 2023 BMW M3 price guide
More like this
Photos
33 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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.