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 (s/s) 5dr Touring (187 bhp)
• Year: 2020
• Mileage: 76,358 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 76,358 miles, around 17,400 more miles than is typical for its age. The dealer is asking £16,786, which is £1,540 below the AskCar estimate of £18,326. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 110 days ago. Its asking price has since fallen by £1,986. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Cargem in Rainham. 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: £1,540 (8%) under the AskCar estimate of £18,326.

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 110 days.

Price history

AskCar first saw this advert on 15 July 2026 at £18,772. Its asking price is now £16,786, £1,986 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 15 July 2026: £18,772
• 17 July 2026: £17,835
• 27 July 2026: £17,768
• 6 August 2026: £17,740
• 19 August 2026: £17,697
• 28 August 2026: £17,599
• 10 September 2026: £17,535
• 23 September 2026: £17,513
• 7 October 2026: £17,237
• 15 October 2026: £16,982
• 27 October 2026: £16,786

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 November 2026.

It has had 5 MOTs. The latest, on 21 November 2025, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 70,677 miles, which matches the advertised 76,358 miles.

Advertised mileage is about 17,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

36 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £9,500 to £24,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 77,466 miles. Price: £17,995, £1,209 more than this car. Dealer: Brayley Suzuki Thurrock in Grays. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2546fadd9a7d
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 78,000 miles. Price: £19,995, £3,209 more than this car. Dealer: The Car Barns in Welford-on-Avon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-36d999d59caf
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 78,628 miles. Price: £17,950, £1,164 more than this car. Dealer: Gormley Car Sales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-295393c9b4b7