2023 BMW 3 Series 2.0 320d MHT M Sport

Price: £28,440. Fair price: £1,255 (4%) under the AskCar estimate of £29,695, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

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: 21,301 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: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 21,301 miles, this 2023 BMW 3 Series M Sport has covered about 13,300 fewer miles than other 2023 BMW 3 Series cars. The dealer is asking £28,440, which is £1,255 below the AskCar estimate of £29,695. 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 £500 lower than when we first recorded the advert 72 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Bowker BMW Blackburn, based in Blackburn. 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: £1,255 (4%) under the AskCar estimate of £29,695.

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 72 days.

Price history

AskCar first saw this advert on 25 August 2026 at £28,940. Its asking price is now £28,440, £500 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

  • 25 August 2026: £28,940
  • 17 September 2026: £28,740
  • 16 October 2026: £28,440

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 has had one MOT, on 4 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 19,248 miles, which matches the advertised 21,301 miles.

Advertised mileage is about 13,300 miles lower 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, white. Mileage: 21,345 miles. Price: £29,080, £640 more than this car. Dealer: MINI UK at Stratstone Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-50c02cf2904f
  • 2023 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 20,788 miles. Price: £30,995, £2,555 more than this car. Dealer: Sinclair Direct in Bridgend. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-cd77cb97757c
  • 2023 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 20,680 miles. Price: £30,800, £2,360 more than this car. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-2f6e2debea41

Browse all BMW 3 Series cars for sale · 2023 BMW 3 Series price guide

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Photos

44 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.