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: 49,781 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 49,781 miles, this 2020 BMW 3 Series M Sport has covered about 9,900 fewer miles than other 2020 BMW 3 Series cars. Priced at £22,498, it is advertised £477 above the AskCar estimate of £22,021. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas, based in Glasgow. 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: £477 (2%) over the AskCar estimate of £22,021.

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 46 days.

Price history

AskCar first saw this advert on 19 September 2026 at £22,998. Its asking price is now £22,498, £500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 19 September 2026: £22,998
• 22 October 2026: £22,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 September 2027.

It failed its MOT on 19 August 2026 (electronic parking brake control defective so that it cannot be satisfactorily operated; engine MIL inoperative or indicates a malfunction; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords nail through side wall of tyre inner) and passed 27 days later, on 15 September 2026.

There were no advisories at the latest test.

Mileage at that test: 49,832 miles, which matches the advertised 49,781 miles.

Advertised mileage is about 9,900 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: 49,000 miles. Price: £22,590, £92 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: 48,676 miles. Price: £22,304, £194 less 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: 48,672 miles. Price: £22,290, £208 less than this car. Dealer: John Clark SEAT Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2465c729977f

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, black, 22 miles from this car. Mileage: 71,898 miles. Price: £20,998, £1,500 less than this car. Dealer: Arnold Clark Stirling Vauxhall in Stirling. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-cd7e9db9e5b1