2023 BMW 3 Series 2.0 320i M Sport

Price: £23,449. Fair price: £520 (2%) over the AskCar estimate of £22,929, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2023
  • Mileage: 51,755 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 51,755 miles, this 2023 BMW 3 Series M Sport has covered about 17,100 more miles than other 2023 BMW 3 Series cars. The AskCar estimate for this car is £22,929. It is priced at £23,449, which is £520 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,742 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 69 days ago, the asking price has dropped by £1,544. The seller is Bowker BMW Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £520 (2%) over the AskCar estimate of £22,929.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW 3 Series with the 2.0 petrol engine is typically advertised at £25,000: the median of the 376 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 69 days.

Price history

AskCar first saw this advert on 25 August 2026 at £24,993. Its asking price is now £23,449, £1,544 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 25 August 2026: £24,993
  • 2 September 2026: £24,222
  • 20 October 2026: £23,449

Mileage and MOT

Advertised mileage is about 17,100 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

85 other 2023 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £19,900 to £30,790, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 51,590 miles. Price: £22,995, £454 less than this car. Dealer: Howard Banks Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-f391b52b9833
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 47,137 miles. Price: £25,995, £2,546 more than this car. Dealer: Park's Motor Group Douglas Park BMW Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-0566ee9bb513
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 43,583 miles. Price: £24,950, £1,501 more than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-82b2d8f13fd0
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey, under a mile from this car. Mileage: 11,919 miles. Price: £25,913, £2,464 more than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-40adb6e86450

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

More like this

Photos

28 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.