2020 BMW 3 Series 2.0 320d M Sport

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: 110,700 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 110,700 miles, approximately 51,100 above the typical mileage for its age. Priced at £13,950, it is advertised £166 below the AskCar estimate of £14,116. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 41 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Rely Motors, based in Kinglassie. 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: £166 (1%) under the AskCar estimate of £14,116.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £14,950. Its asking price is now £13,950, £1,000 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 25 September 2026: £14,950
• 30 October 2026: £13,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 February 2027.

It has had 4 MOTs. The latest, on 3 February 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 104,728 miles, which matches the advertised 110,700 miles.

Advertised mileage is about 51,100 miles higher 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 103,276 miles. Price: £15,994, £2,044 more than this car. Dealer: Peter Reeves in Barrowford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0668b4d7de60
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 86,900 miles. Price: £18,495, £4,545 more than this car. Dealer: CWF Vehicles Sales in Wotton-under-Edge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4e8286fb4c0f
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 85,439 miles. Price: £15,395, £1,445 more than this car. Dealer: Group 1 Assured Wirral in Birkenhead. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-682e68708200

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, black, 28 miles from this car. Mileage: 71,898 miles. Price: £20,998, £7,048 more than this car. Dealer: Arnold Clark Stirling Vauxhall in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-cd7e9db9e5b1