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 4dr (187 bhp)
• Year: 2020
• Mileage: 76,535 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 76,535 miles, this 2020 BMW 3 Series M Sport has covered about 16,900 more miles than other 2020 BMW 3 Series cars. The dealer is asking £16,895, which is £363 below the AskCar estimate of £17,258. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 78 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by SG Motorhouse in Hoddesdon. 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: £363 (2%) under the AskCar estimate of £17,258.

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 78 days.

Price history

AskCar first saw this advert on 19 August 2026 at £17,895. Its asking price is now £16,895, £1,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 19 August 2026: £17,895
• 29 September 2026: £17,395
• 2 November 2026: £16,895

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 7 April 2027.

It has had 4 MOTs. The latest, on 27 March 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; front brake disc worn, but not excessively; front brake pad(s) wearing thin.

Mileage at that test: 72,780 miles, which matches the advertised 76,535 miles.

Advertised mileage is about 16,900 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

66 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £9,990 to £23,977, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 76,000 miles. Price: £16,995, £100 more than this car. Dealer: AP Vehicle Trading in Glen Parva. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b90d16edbc77
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 77,730 miles. Price: £18,495, £1,600 more than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-53e26bd8dd34
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 78,430 miles. Price: £16,350, £545 less than this car. Dealer: Perrys Milton Keynes Peugeot & Citroen in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ea637dcb79df

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black, 11 miles from this car. Mileage: 57,727 miles. Price: £19,400, £2,505 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-02ac51fb06fa