2023 BMW M3 3.0 BiTurbo Competition

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: 17,684 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 17,684 miles on the clock, this 2023 BMW M3 Competition has done roughly 3,500 fewer miles than a typical 2023 BMW M3. The dealer is asking £59,995, which is £4,199 below the AskCar estimate of £64,194. To work out the AskCar estimate, we analyse UK dealer adverts for 750 BMW M3 cars across different ages and specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at EAG Specialist Cars in St Neots. 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: £4,199 (6%) under the AskCar estimate of £64,194.

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

AskCar first saw this 2023 BMW M3 advertised today. About 4 in 10 of 2023 BMW M3 cars are gone from sale within a month of being advertised: 48 of the 125 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £59,995. 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 31 August 2027.

It has had one MOT, on 29 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 16,513 miles, which matches the advertised 17,684 miles.

Advertised mileage is about 3,500 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, grey. Mileage: 17,620 miles. Price: £66,700, £6,705 more than this car. Dealer: John Clark MINI Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-3bde03ebc9e3
• 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 17,900 miles. Price: £65,999, £6,004 more than this car. Dealer: Rom Motors in Atherstone. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a5e875dcfbcd
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 17,000 miles. Price: £61,495, £1,500 more than this car. Dealer: Automotive Performance in Smethwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f6768770ff5e

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, black, under a mile from this car. Mileage: 23,355 miles. Price: £74,995, £15,000 more than this car. Dealer: EAG Specialist Cars in St Neots. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-1f8cc7ee98be