2023 BMW M3 3.0 Competition

Price: £59,945. Fair price: £1,287 (2%) over the AskCar estimate of £58,658, 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 Competition Auto 5dr M
  • Year: 2023
  • Mileage: 35,442 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Black
  • CO2: 234 g/km

About this car

At 35,442 miles, this 2023 BMW M3 Competition has covered about 14,400 more miles than other 2023 BMW M3 cars. Its asking price of £59,945 is £1,287 above the AskCar estimate of £58,658. 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 75 days ago. Its asking price has since fallen by £5,045. The seller is Williams Bmw Manchester, based in Manchester. 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

Fair price: £1,287 (2%) over the AskCar estimate of £58,658.

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 75 days.

Price history

AskCar first saw this advert on 19 August 2026 at £64,990. Its asking price is now £59,945, £5,045 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 19 August 2026: £64,990
  • 22 August 2026: £64,485
  • 5 September 2026: £63,890
  • 19 September 2026: £62,945
  • 3 October 2026: £61,980
  • 16 October 2026: £60,980
  • 30 October 2026: £59,945

Mileage and MOT

Advertised mileage is about 14,400 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

34 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £56,949 to £77,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 34,148 miles. Price: £67,495, £7,550 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3ecbc5ac0d12
  • 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 33,320 miles. Price: £58,888, £1,057 less than this car. Dealer: Dick Lovett Porsche Centre Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-082150e8cd04
  • 2023 BMW M3 Competition, 3.0 petrol estate, red. Mileage: 37,598 miles. Price: £56,949, £2,996 less than this car. Dealer: Ocean Falmouth BMW in Falmouth. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-d8c5fc30c9a1
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, green, 7 miles from this car. Mileage: 28,654 miles. Price: £67,995, £8,050 more than this car. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-e71389a59f50

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

More like this

Photos

51 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.