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: 15,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 BMW M3 Competition is 15,000 miles. Priced at £66,949, it is advertised £1,432 above the AskCar estimate of £65,517. 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 advert 54 days ago, and its asking price has since fallen by £2,000. Ask the dealer why the advert shows fewer miles than the 17,525 recorded at the latest MOT. Its MOT is recorded as valid until 9 September 2027. It is for sale at A1 Ortos in Oldham. 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: £1,432 (2%) over the AskCar estimate of £65,517.

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 54 days.

Price history

AskCar first saw this advert on 11 September 2026 at £68,949. Its asking price is now £66,949, £2,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 11 September 2026: £68,949
• 19 September 2026: £67,949
• 9 October 2026: £66,949

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 9 September 2027.

It has had one MOT, on 10 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 17,525 miles. The advert says 15,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 6,200 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, black. Mileage: 14,929 miles. Price: £58,990, £7,959 less than this car. Dealer: Savannah in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-0b135120728c
• 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 15,284 miles. Price: £61,295, £5,654 less than this car. Dealer: Group 1 Ipswich BMW in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-b4614c967858
• 2023 BMW M3 Competition, 3.0 petrol saloon, grey. Mileage: 14,520 miles. Price: £63,495, £3,454 less than this car. Dealer: Gibbons Automotive in Westbury. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-f0590abd86b0

• The nearest: 2023 BMW M3 Competition, 3.0 petrol saloon, black, 5 miles from this car. Mileage: 22,813 miles. Price: £57,999, £8,950 less than this car. Dealer: Platinum Plus Cars in Manchester. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-e294b7edc1c9