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: 65,141 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 65,141 miles, approximately 6,100 above the typical mileage for its age. The dealer is asking £19,292, which is £365 above the AskCar estimate of £18,927. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 17 days ago, the asking price has dropped by £698. The government's MOT record matches its advertised mileage. You can find this car at Partridge BMW in Eastleigh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £365 (1%) over the AskCar estimate of £18,927.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 448 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £19,990. Its asking price is now £19,292, £698 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 16 October 2026: £19,990
• 21 October 2026: £19,591
• 31 October 2026: £19,292

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 April 2027.

It failed its MOT on 31 March 2026 (nearside headlamp aim too low; offside headlamp aim too low) and passed later the same day.

Advisories at the latest test: items removed from driver's view prior to test; nearside front inner tyre worn close to legal limit/worn on edge edge; nearside rear brake disc worn, but not excessively; and 1 more.

Mileage at that test: 55,059 miles, which matches the advertised 65,141 miles.

Advertised mileage is about 6,100 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

64 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 65,000 miles. Price: £17,000, £2,292 less than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6d3c91c5fed7
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 66,500 miles. Price: £18,000, £1,292 less than this car. Dealer: PF Car Sales in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-be0866ab29c6
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 63,362 miles. Price: £19,995, £703 more than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-db7f141b1e35

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, 54 miles from this car. Mileage: 70,000 miles. Price: £16,450, £2,842 less than this car. Dealer: Drayton Car World in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3a59561b67fa