2023 BMW 3 Series 2.0 320d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d MHT M Sport Auto RWD Euro 6 4dr (187 bhp)
• Year: 2023
• Mileage: 44,000 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series M Sport has covered 44,000 miles, around 9,400 more miles than is typical for its age. The dealer is asking £28,445, which is £2,265 above the AskCar estimate of £26,180. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 131 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Cameron Cars NI in Ballymoney. 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

Above the going rate: £2,265 (8%) over the AskCar estimate of £26,180.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW 3 Series with the 2.0 diesel engine is typically advertised at £25,100: the median of the 386 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 131 days.

Price history

AskCar first saw this advert on 27 June 2026 at £29,945. Its asking price is now £28,445, £1,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 27 June 2026: £29,945
• 8 September 2026: £29,745
• 20 September 2026: £29,445
• 3 October 2026: £29,245
• 8 October 2026: £28,945
• 22 October 2026: £28,745
• 31 October 2026: £28,445

Mileage and MOT

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

It failed its MOT on 15 December 2025 (front windscreen washer provides insufficient washer liquid; offside front windscreen wiper blade defective) and passed 2 days later, on 17 December 2025.

There were no advisories at the latest test.

Mileage at that test: 38,378 miles, which matches the advertised 44,000 miles.

Advertised mileage is about 9,400 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

10 other 2023 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £22,250 to £30,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 33,833 miles. Price: £26,991, £1,454 less than this car. Dealer: House of Brage in Oxford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-a472ac5df44d
• 2023 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 32,323 miles. Price: £30,000, £1,555 more than this car. Dealer: Sytner Harold Wood BMW in Harold Wood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-27c6abdc040e
• 2023 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 57,374 miles. Price: £27,990, £455 less than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-398ed5d54444

• The nearest: 2023 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 19 miles from this car. Mileage: 72,682 miles. Price: £26,995, £1,450 less than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-5910c0f00fd3