2020 BMW 3 Series 2.0 320d M Sport

Price: £24,395. Fair price: £451 (1%) under the AskCar estimate of £24,846, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.

AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2020
  • Mileage: 29,430 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 29,430 miles, approximately 30,300 below the typical mileage for its age. The AskCar estimate for this car is £24,846. It is priced at £24,395, which is £451 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 160 days ago, the asking price has dropped by £3,600. The latest recorded MOT expiry date is 30 July 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Autosales Of Kirriemuir, based in Kirriemuir. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £451 (1%) under the AskCar estimate of £24,846.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £27,995. Its asking price is now £24,395, £3,600 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 28 May 2026: £27,995
  • 1 June 2026: £26,995
  • 17 June 2026: £25,995
  • 3 September 2026: £24,995
  • 21 October 2026: £24,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 30 July 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 31 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 23,857 miles, which matches the advertised 29,430 miles.

Advertised mileage is about 30,300 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 32,311 miles. Price: £23,999, £396 less than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4fa724a242d4
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 34,782 miles. Price: £22,995, £1,400 less than this car. Dealer: JRP Autos in Bebington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-baaaec8124ca
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 37,219 miles. Price: £22,200, £2,195 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ccdc0a113c79
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, white, 35 miles from this car. Mileage: 110,700 miles. Price: £13,950, £10,445 less than this car. Dealer: Rely Motors in Kinglassie. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d5869314f80d

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

More like this

Photos

43 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.