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: 68,000 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

At 68,000 miles, this 2020 BMW 3 Series M Sport has covered about 9,000 more miles than other 2020 BMW 3 Series cars. Priced at £15,495, it is advertised £3,019 below the AskCar estimate of £18,514. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 78 days ago. Its asking price has since fallen by £500. Our records show an MOT expiry date of 11 February 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Knightsbridge Cars NI in Lisburn. 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

Good value: £3,019 (16%) under the AskCar estimate of £18,514.

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 78 days.

Price history

AskCar first saw this advert on 16 August 2026 at £15,995. Its asking price is now £15,495, £500 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

• 16 August 2026: £15,995
• 19 September 2026: £15,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 11 February 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 12 February 2024, passed.

There were no advisories at the latest test.

Mileage at that test: 47,102 miles, which matches the advertised 68,000 miles.

Advertised mileage is about 9,000 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, black. Mileage: 69,000 miles. Price: £16,995, £1,500 more than this car. Dealer: M M K Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bed4738765d6
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 67,000 miles. Price: £17,995, £2,500 more than this car. Dealer: Palmers Motor Company in Kingswood and Fishponds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0f057e2ee304
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 67,000 miles. Price: £20,795, £5,300 more than this car. Dealer: Driven Motor Company in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d1c17e49370a

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 13 miles from this car. Mileage: 60,000 miles. Price: £19,999, £4,504 more than this car. Dealer: Lookers in Newtownabbey. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ee5e466f9896