2026 BMW M3 3.0 BiTurbo Competition
Price: £80,994. Fair price: £1,638 (1%) under the AskCar estimate of £82,632, our expected asking price for this car from its model, age, mileage and specification, drawing on 756 priced BMW M3 adverts on AskCar as of 2 November 2026.
AskCar lists 811 used BMW M3 from 475 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: M3
- Trim: Competition
- Version: 3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) (523 bhp)
- Year: 2026
- Mileage: 4,016 miles
- Fuel: Petrol
- Body: 5 seats
- Engine: 3.0 litres, 523 bhp
- Gearbox: Automatic (Steptronic)
- Drive: Four-wheel drive
- Colour: Green
- CO2: 234 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2026 BMW M3 Competition is 4,016 miles. Its asking price of £80,994 is £1,638 below the AskCar estimate of £82,632. The AskCar estimate uses UK dealer asking prices, including 756 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 26 days ago. Its asking price has since fallen by £955. The seller is Group 1 Reading BMW, based in Reading. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,638 (1%) under the AskCar estimate of £82,632.
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 756 priced BMW M3 adverts across different ages and specifications, as of 2 November 2026.
A 2026 BMW M3 with the 3.0 petrol engine is typically advertised at £78,000: the median of the 133 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2026 BMW M3 has been on sale for at least 26 days.
Price history
AskCar first saw this advert on 7 October 2026 at £81,949. Its asking price is now £80,994, £955 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 7 October 2026: £81,949
- 21 October 2026: £81,385
- 24 October 2026: £80,994
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 600 miles higher than the median mileage of a 2026 BMW M3 on AskCar.
Browse all BMW M3 cars for sale · 2026 BMW M3 price guide
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Photos
22 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.