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) 5dr Touring M (503 bhp)
• Year: 2023
• Mileage: 26,000 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 503 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 232 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW M3 Competition is advertised with 26,000 miles, approximately 4,800 above the typical mileage for its age. The AskCar estimate for this car is £65,487. It is priced at £60,995, which is £4,492 below that estimate. The AskCar estimate draws on 752 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 4 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Hamptons of Surrey in Farnham. 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: £4,492 (6%) under the AskCar estimate of £65,487.

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

AskCar first saw this 2023 BMW M3 advertised 4 days ago. About 4 in 10 of 2023 BMW M3 cars are gone from sale within a month of being advertised: 47 of the 122 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £60,995. 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: 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: 23,138 miles, which matches the advertised 26,000 miles.

Advertised mileage is about 4,800 miles higher than the median mileage of a 2023 BMW M3 on AskCar.

Similar cars

31 other 2023 BMW M3 Competition 3.0 petrol automatic estates are for sale at UK dealers, from £56,949 to £77,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW M3 Competition, 3.0 petrol estate, blue. Mileage: 27,000 miles. Price: £66,289, £5,294 more than this car. Dealer: Auto Vuego Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-a4e4005e7a05
• 2023 BMW M3 Competition, 3.0 petrol estate, grey. Mileage: 25,000 miles. Price: £67,990, £6,995 more than this car. Dealer: Benz Bavarian in Derby. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-2cb4b856dfaa
• 2023 BMW M3 Competition, 3.0 petrol estate, green. Mileage: 24,700 miles. Price: £65,500, £4,505 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-dd7df47716b5

• The nearest: 2023 BMW M3 Competition, 3.0 petrol estate, black, 6 miles from this car. Mileage: 18,766 miles. Price: £62,399, £1,404 more than this car. Dealer: cinch in Hook. AskCar page: https://askcar.co.uk/car/bmw-m3-2023-2d0c0290c322