2023 BMW M3 3.0 Competition
Version: 3.0 Competition Auto M
Price: £64,990. Fair price: £2,045 (3%) over the AskCar estimate of £62,945, 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 30 October 2026.
AskCar lists 811 used BMW M3 from 464 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- M3
- Trim
- Competition
- Version
- 3.0 Competition Auto M
- Mileage
- 16,533 miles
- Year
- 2023
- Fuel type
- Petrol
- Engine
- 3.0 L
- Gearbox
- Automatic
- CO2
- 233 g/km
- Colour
- Red
- Engine badge
- Competition
About this car
This 2023 BMW M3 Competition is advertised with 16,533 miles, approximately 4,600 below the typical mileage for its age. Priced at £64,990, it is advertised £2,045 above the AskCar estimate of £62,945. The AskCar estimate uses UK dealer asking prices, including 758 BMW M3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 55 days ago, the asking price has dropped by £4,005. The seller is Group 1 Brighton BMW, based in Brighton.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 5 September 2026, 55 days ago. Price reduced by £4,005 from £68,995 since AskCar first saw it. 9 price reductions recorded, the latest seen on 28 October 2026.
| Date observed | Asking price |
|---|---|
| 5 September 2026 | £68,995 |
| 9 September 2026 | £68,495 |
| 20 September 2026 | £67,990 |
| 23 September 2026 | £67,490 |
| 6 October 2026 | £66,890 |
| 13 October 2026 | £66,250 |
| 15 October 2026 | £65,990 |
| 23 October 2026 | £65,475 |
| 27 October 2026 | £65,390 |
| 28 October 2026 | £64,990 |
| 30 October 2026 | £64,990 |
Price and mileage comparison
Fair price: £2,045 (3%) over the AskCar estimate of £62,945.
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 30 October 2026.
Advertised mileage is about 4,600 miles lower than the median mileage of a 2023 BMW M3 on AskCar.
Other matching cars
106 other 2023 BMW M3 Competition automatic petrol cars are for sale at UK dealers from £54,995 to £77,995, as of 30 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 106 matching cars have covered 4,742 to 54,000 miles, compared with 16,533 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
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Photos
4 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.