2023 BMW 3 Series 2.0 320i M Sport

Price: £28,300. Fair price: £176 (under 1%) under the AskCar estimate of £28,476, 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: 11,582 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 148 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 11,582 miles on the clock, this 2023 BMW 3 Series M Sport has done roughly 23,100 fewer miles than a typical 2023 BMW 3 Series. The AskCar estimate for this car is £28,476. It is priced at £28,300, which is £176 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 41 days ago. Its asking price has since fallen by £2,200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall BMW Bournemouth, based in Bournemouth. 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: £176 (under 1%) under the AskCar estimate of £28,476.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £30,500. Its asking price is now £28,300, £2,200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 25 September 2026: £30,500
  • 2 October 2026: £30,200
  • 9 October 2026: £29,700
  • 16 October 2026: £29,400
  • 23 October 2026: £29,200
  • 27 October 2026: £28,500
  • 30 October 2026: £28,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 1 October 2027.

It has had one MOT, on 24 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,582 miles, which matches the advertised 11,582 miles.

Advertised mileage is about 23,100 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, grey. Mileage: 11,671 miles. Price: £29,498, £1,198 more than this car. Dealer: Eastern Western Motor Group Eastern BMW in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-79c44ec1587b
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, red. Mileage: 11,761 miles. Price: £27,863, £437 less than this car. Dealer: Vertu BMW Bridgwater in Bridgwater. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-7b1a0874e3ef
  • 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 11,919 miles. Price: £25,913, £2,387 less than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-40adb6e86450
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 28 miles from this car. Mileage: 21,451 miles. Price: £29,990, £1,690 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-5492b2fca970

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

More like this

Photos

16 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.