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 4WD Euro 6 (s/s) 5dr Touring (187 bhp)
• Year: 2020
• Mileage: 48,672 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 48,672 miles. The AskCar estimate for this car is £22,189. It is priced at £20,490, which is £1,699 below that estimate. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 57 days ago. Its asking price has since fallen by £4,000. Ask the dealer why the advert shows fewer miles than the 57,065 recorded at the latest MOT. MOT records show an expiry date of 26 May 2027. The seller is John Clark SEAT Aberdeen, based in Aberdeen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,699 (7%) under the AskCar estimate of £22,189.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 10 September 2026 at £24,490. Its asking price is now £20,490, £4,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 10 September 2026: £24,490
• 12 September 2026: £22,990
• 8 October 2026: £22,290
• 5 November 2026: £20,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 26 May 2027.

It has had 7 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,065 miles. The advert says 48,672 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 11,300 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 48,676 miles. Price: £22,304, £1,814 more than this car. Dealer: Stoneacre Halifax Omoda/Jaecoo in Halifax. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1861621a3a3d
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 49,000 miles. Price: £22,590, £2,100 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c867b368c40b
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 47,579 miles. Price: £19,995, £495 less than this car. Dealer: Sycamore Stamford in Stamford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b8d8a8495996

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue, 47 miles from this car. Mileage: 29,430 miles. Price: £24,395, £3,905 more than this car. Dealer: Autosales Of Kirriemuir in Kirriemuir. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-532d7601b2a5