2023 BMW 3 Series 2.0 320i M Sport

Price: £25,898. Fair price: £324 (1%) under the AskCar estimate of £26,222, 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: 28,976 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 148 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 28,976 miles, this 2023 BMW 3 Series M Sport has covered about 5,700 fewer miles than other 2023 BMW 3 Series cars. The dealer is asking £25,898, which is £324 below the AskCar estimate of £26,222. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. The asking price is now £1,600 lower than when we first recorded the advert 27 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Kirkcaldy BMW, based in Kirkcaldy. 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: £324 (1%) under the AskCar estimate of £26,222.

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 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £27,498. Its asking price is now £25,898, £1,600 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 6 October 2026: £27,498
  • 7 October 2026: £26,998
  • 10 October 2026: £26,898
  • 21 October 2026: £25,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 October 2027.

It failed its MOT on 5 October 2026 (nearside rear tyre has ply or cords exposed; offside rear tyre has ply or cords exposed) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 28,986 miles, which matches the advertised 28,976 miles.

Advertised mileage is about 5,700 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, red. Mileage: 29,285 miles. Price: £27,450, £1,552 more than this car. Dealer: Sytner Worcester BMW in Worcester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-9b2a5487acec
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 29,501 miles. Price: £27,500, £1,602 more than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-d9fa8f706083
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 28,298 miles. Price: £24,890, £1,008 less than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-b2f3889ca4a4
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey, under a mile from this car. Mileage: 19,835 miles. Price: £28,898, £3,000 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-34b1952cc16f

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

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Photos

20 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.