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: 44,110 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,110 miles, this 2020 BMW 3 Series M Sport has covered about 15,500 fewer miles than other 2020 BMW 3 Series cars. Its asking price of £23,495 is £680 above the AskCar estimate of £22,815. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 58 days ago, the asking price has dropped by £1,495. Its advertised mileage matches the government's MOT record. The seller is Williams Bmw Manchester, based in Manchester. 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: £680 (2%) over the AskCar estimate of £22,815.

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 58 days.

Price history

AskCar first saw this advert on 8 September 2026 at £24,990. Its asking price is now £23,495, £1,495 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 8 September 2026: £24,990
• 23 September 2026: £24,485
• 7 October 2026: £23,950
• 21 October 2026: £23,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 February 2027.

It has had 4 MOTs. The latest, on 20 February 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 40,524 miles, which matches the advertised 44,110 miles.

Advertised mileage is about 15,500 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 45,526 miles. Price: £21,790, £1,705 less than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6222d2ae70a3
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 46,000 miles. Price: £22,695, £800 less than this car. Dealer: Matt Johnson Prestige in Barrow-in-Furness. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-00b82a53b46d
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 46,134 miles. Price: £22,999, £496 less than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-67e4287775e8

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey, 8 miles from this car. Mileage: 53,523 miles. Price: £22,799, £696 less than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-95f699b0c247