2023 BMW M3 3.0 Competition

Price: £65,950. Fair price: £878 (1%) over the AskCar estimate of £65,072, our expected asking price for this car from its model, age, mileage and specification, drawing on 753 priced BMW M3 adverts on AskCar as of 5 November 2026.

AskCar lists 808 used BMW M3 from 469 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: M3
  • Trim: Competition
  • Version: 3.0 Competition Auto 5dr M
  • Year: 2023
  • Mileage: 15,421 miles
  • Fuel: Petrol
  • Body: 5 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 233 g/km

About this car

At 15,421 miles, this 2023 BMW M3 Competition has covered about 5,700 fewer miles than other 2023 BMW M3 cars. The AskCar estimate for this car is £65,072. It is priced at £65,950, which is £878 above that estimate. The AskCar estimate uses 753 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 32 days ago, and its asking price has since fallen by £1,550. Its advertised mileage matches the government's MOT record. The seller is Sytner Worcester BMW, based in Worcester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £878 (1%) over the AskCar estimate of £65,072.

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 753 priced BMW M3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,400: the median of the 112 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 4 October 2026 at £67,500. Its asking price is now £65,950, £1,550 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 4 October 2026: £67,500
  • 16 October 2026: £66,950
  • 31 October 2026: £65,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 March 2027.

It has had one MOT, on 28 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,605 miles, which matches the advertised 15,421 miles.

Advertised mileage is about 5,700 miles lower 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 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.