2023 BMW M3 3.0 Competition
Version: 3.0 Competition Auto 4dr M
Price: £63,495. Fair price: £2,395 (3%) over the AskCar estimate of £61,100, our expected asking price for this car from its model, age, mileage and specification, drawing on 759 priced BMW M3 adverts on AskCar as of 31 October 2026.
AskCar lists 813 used BMW M3 from 469 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- M3
- Trim
- Competition
- Version
- 3.0 Competition Auto 4dr M
- Mileage
- 14,520 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 3.0 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 229 g/km
- Colour
- Grey
- Doors
- 4
- Engine badge
- Competition
About this car
At 14,520 miles, this 2023 BMW M3 Competition has covered about 6,600 fewer miles than other 2023 BMW M3 cars. The dealer is asking £63,495, which is £2,395 above the AskCar estimate of £61,100. To work out the AskCar estimate, we analyse UK dealer adverts for 759 BMW M3 cars across different ages and specifications. We have tracked this advert today. Its MOT is recorded as valid until 9 June 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Gibbons Automotive in Westbury.
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 | £63,495 |
Price and mileage comparison
Fair price: £2,395 (3%) over the AskCar estimate of £61,100.
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 759 priced BMW M3 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 6,600 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 9 June 2027. 12,998 miles at the last test.
Other matching cars
108 other 2023 BMW M3 Competition automatic petrol cars are for sale at UK dealers from £54,995 to £77,995, as of 31 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 108 matching cars have covered 4,742 to 54,000 miles, compared with 14,520 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
62 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.