2023 BMW M3 3.0 Competition

Price: £59,750. Fair price: £490 (under 1%) over the AskCar estimate of £59,260, our expected asking price for this car from its model, age, mileage and specification, drawing on 744 priced BMW M3 adverts on AskCar as of 7 November 2026.

AskCar lists 802 used BMW M3 from 462 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 4dr M
  • Year: 2023
  • Mileage: 27,120 miles
  • Fuel: Petrol
  • Body: 4 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 229 g/km

About this car

With 27,120 miles on the clock, this 2023 BMW M3 Competition has done roughly 6,100 more miles than a typical 2023 BMW M3. Its asking price of £59,750 is £490 above the AskCar estimate of £59,260. The AskCar estimate uses 744 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 24 days ago. Its asking price has since fallen by £1,250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Leicester BMW, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £490 (under 1%) over the AskCar estimate of £59,260.

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 744 priced BMW M3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,200: the median of the 113 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 14 October 2026 at £61,000. Its asking price is now £59,750, £1,250 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 14 October 2026: £61,000
  • 28 October 2026: £59,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 19 August 2027.

It has had 2 MOTs. The latest, on 20 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 26,274 miles, which matches the advertised 27,120 miles.

Advertised mileage is about 6,100 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

21 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.