2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 21,236 miles
• Fuel: Petrol
• Body: 5 doors
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Blue
• CO2: 234 g/km

About this car

This 2023 BMW M3 Competition has covered 21,236 miles. Priced at £59,970, it is advertised £2,834 below the AskCar estimate of £62,804. The AskCar estimate draws on 750 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 84 days ago. Its asking price has since fallen by £4,900. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Sytner Harold Wood BMW in Romford. 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: £2,834 (4%) under the AskCar estimate of £62,804.

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 84 days.

Price history

AskCar first saw this advert on 14 August 2026 at £64,870. Its asking price is now £59,970, £4,900 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 14 August 2026: £64,870
• 28 August 2026: £64,970
• 18 September 2026: £64,870
• 1 October 2026: £63,870
• 20 October 2026: £63,470
• 27 October 2026: £62,470
• 6 November 2026: £59,970

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 9 March 2027.

It has had one MOT, on 24 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 17,494 miles, which matches the advertised 21,236 miles.

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