2020 BMW 3 Series 2.0 320d M Sport

Price: £24,999. Fair price: £1,024 (3%) under the AskCar estimate of £26,023, 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 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
  • Year: 2020
  • Mileage: 20,257 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 20,257 miles, approximately 39,300 below the typical mileage for its age. Its asking price of £24,999 is £1,024 below the AskCar estimate of £26,023. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 14 days ago. It is for sale at Fresh Motors in Thetford. 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: £1,024 (3%) under the AskCar estimate of £26,023.

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 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 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 22 October 2026 at £24,999. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 39,300 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 £24,500, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 29,430 miles. Price: £24,395, £604 less than this car. Dealer: Autosales Of Kirriemuir in Kirriemuir. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-532d7601b2a5
  • 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 32,311 miles. Price: £23,999, £1,000 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, £2,004 less than this car. Dealer: JRP Autos in Bebington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-baaaec8124ca

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

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Photos

55 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.