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: 14,929 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

At 14,929 miles, this 2023 BMW M3 Competition has covered about 6,300 fewer miles than other 2023 BMW M3 cars. Its asking price of £58,990 is £6,550 below the AskCar estimate of £65,540. 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 160 days ago, and its asking price has since fallen by £6,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Savannah in Westcliff-on-SEA. 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

Good value: £6,550 (9%) under the AskCar estimate of £65,540.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £64,990. Its asking price is now £58,990, £6,000 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 May 2026: £64,990
• 9 June 2026: £63,990
• 16 June 2026: £62,990
• 19 June 2026: £62,490
• 16 July 2026: £59,990
• 20 October 2026: £58,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 17 May 2027.

It has had one MOT, on 18 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 14,938 miles, which matches the advertised 14,929 miles.

Advertised mileage is about 6,300 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, white. Mileage: 15,000 miles. Price: £66,949, £7,959 more than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-fe4f7b33ca0d
• 2023 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 15,284 miles. Price: £61,295, £2,305 more 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, £4,505 more 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, 33 miles from this car. Mileage: 21,140 miles. Price: £58,990, the same price as this car. Dealer: Stratstone BMW Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-48321baad6c3