2023 BMW M3 3.0 BiTurbo Competition

Price: £62,995. Fair price: £177 (under 1%) under the AskCar estimate of £63,172, 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 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
  • Year: 2023
  • Mileage: 21,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 503 bhp
  • Gearbox: Automatic (Steptronic)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 229 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition has covered 21,000 miles. The AskCar estimate for this car is £63,172. It is priced at £62,995, which is £177 below that estimate. The AskCar estimate draws on 750 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Driven Motor Company, based in Glasgow. 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: £177 (under 1%) under the AskCar estimate of £63,172.

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 12 days.

Price history

AskCar first saw this advert on 25 October 2026 at £62,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 25 April 2027.

It has had one MOT, on 17 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 12,372 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

56 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW M3 Competition, 3.0 petrol saloon, green. Mileage: 21,000 miles. Price: £62,995, the same price as this car. Dealer: Vines of Guildford BMW in Guildford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-139ff08e5ee5
  • 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 21,040 miles. Price: £57,099, £5,896 less than this car. Dealer: cinch in Salisbury. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-ec5c7fbcf3a2
  • 2023 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 21,140 miles. Price: £58,990, £4,005 less than this car. Dealer: Stratstone BMW Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-48321baad6c3
  • The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, grey, 63 miles from this car. Mileage: 17,620 miles. Price: £66,700, £3,705 more than this car. Dealer: John Clark MINI Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3bde03ebc9e3

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

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Photos

47 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.