2023 BMW M3 3.0 Competition

Price: £62,000. Fair price: £1,251 (2%) over the AskCar estimate of £60,749, our expected asking price for this car from its model, age, mileage and specification, drawing on 750 priced BMW M3 adverts on AskCar as of 6 November 2026.

AskCar lists 808 used BMW M3 from 464 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 4dr M
  • Year: 2023
  • Mileage: 22,031 miles
  • Fuel: Petrol
  • Body: 4 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Blue
  • CO2: 230 g/km

About this car

This 2023 BMW M3 Competition has covered 22,031 miles. The AskCar estimate for this car is £60,749. It is priced at £62,000, which is £1,251 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 750 BMW M3 cars across different ages and specifications. We first recorded this advert 111 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is Sytner Coventry BMW, based in Coventry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,251 (2%) over the AskCar estimate of £60,749.

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 750 priced BMW M3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,000: the median of the 113 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 111 days.

Price history

AskCar first saw this advert on 18 July 2026 at £63,000. Its asking price is now £62,000, £1,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 19 July 2026: £63,000
  • 11 August 2026: £62,000
  • 16 September 2026: £64,000
  • 1 October 2026: £63,950
  • 14 October 2026: £63,000
  • 29 October 2026: £62,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 1 May 2027.

It has had one MOT, on 2 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,748 miles, which matches the advertised 22,031 miles.

Advertised mileage is about 900 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

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

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Photos

27 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.