2023 BMW 3 Series 2.0 320i M Sport

Price: £27,990. Fair price: £1,251 (4%) over the AskCar estimate of £26,739, 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 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2023
  • Mileage: 24,452 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

This 2023 BMW 3 Series M Sport has covered 24,452 miles, around 10,200 fewer miles than is typical for its age. The AskCar estimate for this car is £26,739. It is priced at £27,990, which is £1,251 above that estimate. 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 £510 lower than when we first recorded the advert 47 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Sytner Sunningdale BMW in Ascot. 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: £1,251 (4%) over the AskCar estimate of £26,739.

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 petrol 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 47 days.

Price history

AskCar first saw this advert on 19 September 2026 at £28,500. Its asking price is now £27,990, £510 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 19 September 2026: £28,500
  • 15 October 2026: £28,250
  • 4 November 2026: £27,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 September 2027.

It failed its MOT on 15 September 2026 (offside rear brake pad(s) worn down to wear indicator) and passed 1 day later, on 16 September 2026.

Advisories at the latest test: offside front suspension arm ball joint has slight play.

Mileage at that test: 24,407 miles, which matches the advertised 24,452 miles.

Advertised mileage is about 10,200 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

92 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 24,681 miles. Price: £26,490, £1,500 less than this car. Dealer: Sycamore BMW in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-d9185d223a80
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 23,925 miles. Price: £27,900, £90 less than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-97295576114f
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 25,000 miles. Price: £27,495, £495 less than this car. Dealer: Group 1 BMW Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-485a7893b216
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 9 miles from this car. Mileage: 30,000 miles. Price: £28,489, £499 more than this car. Dealer: Stonebrook Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-3c5e62e86956

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

More like this

Photos

24 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.