2023 BMW M3 3.0 Competition

Overview

• Make: BMW
• Model: M3
• Trim: Competition
• Version: 3.0 Competition Auto 5dr M
• Year: 2023
• Mileage: 25,791 miles
• Fuel: Petrol
• Body: 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 233 g/km

About this car

This 2023 BMW M3 Competition is advertised with 25,791 miles, approximately 4,700 above the typical mileage for its age. Priced at £62,950, it is advertised £1,102 above the AskCar estimate of £61,848. The AskCar estimate uses 753 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 23 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cotswold Bmw Cheltenham, based in Cheltenham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,102 (1%) over the AskCar estimate of £61,848.

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 753 priced BMW M3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW M3 with the 3.0 petrol engine is typically advertised at £63,400: the median of the 112 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW M3 has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £62,950. Its asking price has not changed.

Price changes recorded:

• 13 October 2026: £62,950
• 27 October 2026: £59,950
• 30 October 2026: £62,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 March 2027.

It failed its MOT on 23 February 2026 (nearside rear inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 24 February 2026.

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

Mileage at that test: 21,853 miles, which matches the advertised 25,791 miles.

Advertised mileage is about 4,700 miles higher than the median mileage of a 2023 BMW M3 on AskCar.