2023 BMW M3 3.0 BiTurbo Competition

Price: £57,995. Good value: £8,155 (12%) under the AskCar estimate of £66,150, 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) 4dr M (503 bhp)
  • Year: 2023
  • Mileage: 14,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 229 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 14,000 miles on the clock, this 2023 BMW M3 Competition has done roughly 7,000 fewer miles than a typical 2023 BMW M3. Its asking price of £57,995 is £8,155 below the AskCar estimate of £66,150. The AskCar estimate uses UK dealer asking prices, including 756 BMW M3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 145 days ago, the asking price has dropped by £2,000. The seller is Hiline Motors, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £8,155 (12%) under the AskCar estimate of £66,150.

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 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,300: the median of the 115 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 145 days.

Price history

AskCar first saw this advert on 10 June 2026 at £59,995. Its asking price is now £57,995, £2,000 less. The latest price cut was seen on 16 August 2026.

Price changes recorded:

  • 10 July 2026: £59,995
  • 16 August 2026: £57,995

Mileage and MOT

Advertised mileage is about 7,000 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

51 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £54,995 to £74,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 14,000 miles. Price: £68,495, £10,500 more than this car. Dealer: Sharman Group in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-ae6fed6a6a18
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 13,995 miles. Price: £58,499, £504 more than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-667b86e4cf28
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 14,175 miles. Price: £66,700, £8,705 more than this car. Dealer: John Clark MINI Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3bde03ebc9e3
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 7 miles from this car. Mileage: 25,000 miles. Price: £59,995, £2,000 more than this car. Dealer: Drive Time Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-e02001b689b3

Browse all BMW M3 cars for sale · 2023 BMW M3 price guide

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Photos

31 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.