2023 BMW M3 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 BiTurbo Competition Steptronic RWD Euro 6 (s/s) 4dr (503 bhp)
• Year: 2023
• Mileage: 20,173 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition has covered 20,173 miles. The dealer is asking £56,995, which is £2,706 below the AskCar estimate of £59,701. To work out the AskCar estimate, we analyse UK dealer adverts for 752 BMW M3 cars across different ages and specifications. We first recorded this car for sale 60 days ago. Our records show an MOT expiry date of 12 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Brook Cars Company in Telford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,706 (4%) under the AskCar estimate of £59,701.

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 752 priced BMW M3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £64,000: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 60 days.

Price history

AskCar first saw this advert on 5 September 2026 at £56,995. 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 4 November 2026: the latest record we hold ran out on 12 September 2026; ask the dealer for the current MOT.

It has had one MOT, on 13 September 2025, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 15,438 miles, which matches the advertised 20,173 miles.

Advertised mileage is about 1,100 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

52 other 2023 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £51,990 to £74,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 20,000 miles. Price: £63,950, £6,955 more than this car. Dealer: Motor Lounge in Radlett. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-7366a8e494d7
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 21,000 miles. Price: £62,995, £6,000 more than this car. Dealer: Driven Motor Company in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f88004068e6c
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 21,040 miles. Price: £57,299, £304 more than this car. Dealer: cinch in Salisbury. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-ec5c7fbcf3a2

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, blue, 4 miles from this car. Mileage: 6,800 miles. Price: £73,995, £17,000 more than this car. Dealer: Automotive Addiction in Telford. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-68c6aa226868