2023 BMW 3 Series 2.0 320i M Sport

Price: £29,240. Fair price: £2,477 (7%) under the AskCar estimate of £31,717, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (181 bhp)
  • Year: 2023
  • Mileage: 8,569 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 8,569 miles on the clock, this 2023 BMW 3 Series M Sport has done roughly 24,800 fewer miles than a typical 2023 BMW 3 Series. Priced at £29,240, it is advertised £2,477 below the AskCar estimate of £31,717. The AskCar estimate draws on 6,864 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 134 days. The seller is MINI UK at Marshall Grimsby, based in Grimsby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

MINI UK at Marshall Grimsby is rated 4.6 out of 5 on Google.

Price

Fair price: £2,477 (7%) under the AskCar estimate of £31,717.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

A 2023 BMW 3 Series with the 2.0 petrol engine is typically advertised at £25,400: the median of the 388 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 134 days.

Price history

AskCar first saw this advert on 29 June 2026 at £29,700. Its asking price is now £29,240, £460 less.

Price changes recorded:

  • 10 October 2026: £29,700
  • 17 October 2026: £29,500
  • 23 October 2026: £29,240

Mileage and MOT

Advertised mileage is about 24,800 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

26 other 2023 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £24,991 to £30,998, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 6,473 miles. Price: £29,389, £149 more than this car. Dealer: Ocean Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-0dc93c134206
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 11,113 miles. Price: £29,980, £740 more than this car. Dealer: Berry Croydon BMW in Croydon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-bdbe6b882355
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, white. Mileage: 15,662 miles. Price: £27,485, £1,755 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-f66eff73c5b8
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol estate, red, under a mile from this car. Mileage: 40,795 miles. Price: £26,800, £2,440 less than this car. Dealer: Marshall BMW Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-3c34e9e93eae

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

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Photos

31 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.