2023 BMW M3
3.0 Competition Auto 5dr M
£66,500
Fair price: within 8% of the typical £63,684 for this model, age and mileage, drawing on 775 adverts of this make and model.
Overview
- Make
- BMW
- Model
- M3
- Trim
- COMPETITION
- Version
- 3.0 Competition Auto 5dr M
- Mileage
- 22,160 miles
- Year
- 2023
- Fuel type
- Petrol
- Engine
- 3.0 L
- Gearbox
- Automatic
- CO2
- 233 g/km
- Colour
- Red
- Doors
- 5
- Engine badge
- Competition
About this car
The advertised mileage for this 2023 BMW M3 Competition is 22,160 miles. Its asking price of £66,500 is £2,816 above our estimate of £63,684. To estimate its market asking price, we analyse UK dealer adverts for 775 BMW M3 cars across different ages and specifications. The asking price is now £2,500 lower than when we first recorded the advert 20 days ago. Its MOT is recorded as valid until 9 August 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Sytner Tring BMW in COW Roast.
Stock data from 19 October 2026.
Price history
First seen on 30 September 2026, 20 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £2,500 from the first recorded £69,000. 1 price reduction recorded, the latest observed on 8 October 2026.
| Date observed | Asking price |
|---|---|
| 30 September 2026 | £69,000 |
| 8 October 2026 | £66,500 |
| 19 October 2026 | £66,500 |
Price and mileage comparison
Estimated market asking price: £63,684. The asking price is £2,816 above this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 775 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 100 miles higher than typical for a 2023 BMW M3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 9 August 2027. 22,159 miles at the last test.
105 other cars with the same year, trim, gearbox and fuel are for sale from £49,995 to £77,995.
| Asking price | Mileage |
|---|---|
| £49,995 | 37,000 miles |
| £50,495 | 44,843 miles |
| £54,995 | 54,000 miles |
| £54,995 | 36,430 miles |
| £54,995 | 47,461 miles |
These cars have covered 4,742–54,000 miles, compared with 22,160 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW M3 cars for sale · 2023 BMW M3 price guide
Similar cars for less
- 2025 BMW M3, 8,250 miles, £57,500, £9,892 under typical, Dungannon
- 2023 BMW M3, 14,000 miles, £57,995, £7,948 under typical, Birmingham
- 2023 BMW M3, 11,000 miles, £57,500, £7,095 under typical, Bolton
Dealer
Sytner Tring BMW, COW Roast. Across the dealer network: 140 branches, 10,310 cars for sale.
Dealer postcode: HP23 5RE.
Dealer opening hours
- Monday
- 08:30-18:00
- Tuesday
- 08:30-18:00
- Wednesday
- 08:30-18:00
- Thursday
- 08:30-18:00
- Friday
- 08:30-18:00
- Saturday
- 09:00-17:00
- Sunday
- 11:00-16:00
Vehicle photos
- 2023 BMW M3 photo 1
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- 2023 BMW M3 photo 21