2023 BMW 3 Series 2.0 320i M Sport

Price: £24,800. Good value: £2,791 (10%) under the AskCar estimate of £27,591, 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: 18,556 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 148 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 18,556 miles, this 2023 BMW 3 Series M Sport has covered about 16,100 fewer miles than other 2023 BMW 3 Series cars. The dealer is asking £24,800, which is £2,791 below the AskCar estimate of £27,591. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 38 days ago. Its asking price has since fallen by £2,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall Nissan Maidstone, based in Maidstone. 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

Good value: £2,791 (10%) under the AskCar estimate of £27,591.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £26,900. Its asking price is now £24,800, £2,100 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 25 September 2026: £26,900
  • 2 October 2026: £26,500
  • 9 October 2026: £25,700
  • 16 October 2026: £25,600
  • 23 October 2026: £25,500
  • 28 October 2026: £24,700
  • 30 October 2026: £24,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 February 2027.

It has had one MOT, on 21 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,878 miles, which matches the advertised 18,556 miles.

Advertised mileage is about 16,100 miles lower 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, blue. Mileage: 18,857 miles. Price: £26,500, £1,700 more than this car. Dealer: Sytner Tamworth BMW in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-144890b8cdb5
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 19,014 miles. Price: £25,490, £690 more than this car. Dealer: Performance 28 Cars in Chester-le-Street. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-4a47a403f2e0
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 19,019 miles. Price: £26,995, £2,195 more than this car. Dealer: Agnew Group Bavarian BMW in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-47376b129d51
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 5 miles from this car. Mileage: 35,832 miles. Price: £24,490, £310 less than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-674b038f8e31

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

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Photos

1 photo of this car is 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.