2023 BMW 3 Series 2.0 320i M Sport

Price: £31,475. Fair price: £1,575 (5%) over the AskCar estimate of £29,900, 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) 5dr Touring (181 bhp)
  • Year: 2023
  • Mileage: 20,213 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,213 miles on the clock, this 2023 BMW 3 Series M Sport has done roughly 14,500 fewer miles than a typical 2023 BMW 3 Series. Its asking price of £31,475 is £1,575 above the AskCar estimate of £29,900. The AskCar estimate uses 6,742 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Group 1 Worthing BMW in Littlehampton. 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: £1,575 (5%) over the AskCar estimate of £29,900.

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

AskCar first saw this 2023 BMW 3 Series advertised today. About 4 in 10 of 2023 BMW 3 Series cars are gone from sale within a month of being advertised: 280 of the 631 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £31,475. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 June 2027.

It has had one MOT, on 28 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,754 miles, which matches the advertised 20,213 miles.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

29 other 2023 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £24,690 to £34,687, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, black. Mileage: 19,691 miles. Price: £30,799, £676 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-dcee850da6db
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, white. Mileage: 18,977 miles. Price: £30,998, £477 less than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-8eca9b638f34
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 21,781 miles. Price: £29,990, £1,485 less than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-f2b5eae78976
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol estate, black, 23 miles from this car. Mileage: 37,800 miles. Price: £26,990, £4,485 less than this car. Dealer: 1BR in Petersfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-3c740b58d720

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

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Photos

1 photo of this car is 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.