2023 BMW M3 3.0 Competition

Price: £59,950. Fair price: £4,331 (7%) over the AskCar estimate of £55,619, 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 5dr M
  • Year: 2023
  • Mileage: 42,669 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey

About this car

With 42,669 miles on the clock, this 2023 BMW M3 Competition has done roughly 21,600 more miles than a typical 2023 BMW M3. The AskCar estimate for this car is £55,619. It is priced at £59,950, which is £4,331 above that estimate. The AskCar estimate uses 744 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 17 days. The seller is Lloyd Cockermouth BMW, based in Cockermouth. 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: £4,331 (7%) over the AskCar estimate of £55,619.

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 17 days.

Price history

AskCar first saw this advert on 21 October 2026 at £59,950. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 21,600 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

32 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £56,949 to £81,920, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol estate, red. Mileage: 37,598 miles. Price: £56,949, £3,001 less than this car. Dealer: Ocean Falmouth BMW in Falmouth. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-d8c5fc30c9a1
  • 2023 BMW M3 Competition, 3.0 petrol estate, black. Mileage: 35,442 miles. Price: £59,945, the same price as this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-8e67d3944302
  • 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 34,148 miles. Price: £67,495, £7,545 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3ecbc5ac0d12
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, green, 68 miles from this car. Mileage: 22,000 miles. Price: £81,920, £21,970 more than this car. Dealer: CH Services NW in Clitheroe. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-5c9783b7660e

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

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Photos

42 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.