2023 BMW 3 Series 2.0 320i M Sport

Price: £29,240. Fair price: £2,440 (7%) under the AskCar estimate of £31,680, 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) 5dr Touring (181 bhp)
  • Year: 2023
  • Mileage: 8,646 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

This 2023 BMW 3 Series M Sport is advertised with 8,646 miles, approximately 26,000 below the typical mileage for its age. Its asking price of £29,240 is £2,440 below the AskCar estimate of £31,680. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 132 days ago. Its asking price has since fallen by £2,460. The seller is Marshall BMW Grimsby, based in Grimsby. 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: £2,440 (7%) under the AskCar estimate of £31,680.

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 132 days.

Price history

AskCar first saw this advert on 26 June 2026 at £31,700. Its asking price is now £29,240, £2,460 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 26 June 2026: £31,700
  • 30 June 2026: £32,700
  • 10 July 2026: £32,900
  • 23 July 2026: £33,200
  • 30 July 2026: £32,700
  • 4 August 2026: £32,500
  • 7 August 2026: £32,400
  • 13 August 2026: £32,300
  • 21 August 2026: £32,200
  • 28 August 2026: £31,800
  • 3 September 2026: £31,560
  • 9 September 2026: £30,900
  • 16 September 2026: £30,600
  • 23 September 2026: £30,300
  • 30 September 2026: £29,890
  • 9 October 2026: £29,700
  • 16 October 2026: £29,500
  • 22 October 2026: £29,240

Mileage and MOT

Advertised mileage is about 26,000 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

27 other 2023 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £24,390 to £34,687, as of 5 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, blue. Mileage: 3,544 miles. Price: £34,687, £5,447 more than this car. Dealer: Vertu BMW Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-850f1ab815dc
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol estate, red, under a mile from this car. Mileage: 40,795 miles. Price: £27,100, £2,140 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 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.