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: 102,847 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 102,847 miles, approximately 43,900 above the typical mileage for its age. Its asking price of £14,195 is £93 above the AskCar estimate of £14,102. The AskCar estimate uses UK dealer asking prices, including 6,822 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 151 days ago, the asking price has dropped by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Blackline Motors, based in Oldham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £93 (under 1%) over the AskCar estimate of £14,102.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 450 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 151 days.

Price history

AskCar first saw this advert on 10 June 2026 at £15,495. Its asking price is now £14,195, £1,300 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 7 July 2026: £15,495
• 8 August 2026: £15,195
• 4 November 2026: £14,195

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 6 February 2027.

It has had 5 MOTs. The latest, on 7 February 2026, passed.

Advisories at the latest test: rear brake disc worn, but not excessively; offside tyre worn close to legal limit/worn on edge front and rear very close to limit.

Mileage at that test: 102,857 miles, which matches the advertised 102,847 miles.

Advertised mileage is about 43,900 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

69 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 100,000 miles. Price: £15,999, £1,804 more than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93d3ced41f45
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 108,000 miles. Price: £16,490, £2,295 more than this car. Dealer: TM Car Sales in Coventry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-663645274444
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 97,000 miles. Price: £15,995, £1,800 more than this car. Dealer: Eminent Motor Group in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-49c99c472d9e