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: 56,516 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 56,516 miles, approximately 2,500 below the typical mileage for its age. Priced at £17,320, it is advertised £2,783 below the AskCar estimate of £20,103. 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 154 days ago. Its asking price has since fallen by £1,808. Our latest MOT record expired on 26 February 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Carsa Cannock in Cannock Chase. 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: £2,783 (13%) under the AskCar estimate of £20,103.

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 154 days.

Price history

AskCar first saw this advert on 1 June 2026 at £19,128. Its asking price is now £17,320, £1,808 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 1 June 2026: £19,128
• 8 June 2026: £19,206
• 16 June 2026: £18,955
• 22 June 2026: £18,941
• 29 June 2026: £18,794
• 17 July 2026: £18,595
• 19 July 2026: £18,529
• 23 July 2026: £18,444
• 26 July 2026: £18,521
• 29 July 2026: £18,396
• 3 August 2026: £18,160
• 6 August 2026: £18,112
• 10 August 2026: £18,027
• 13 August 2026: £18,005
• 26 August 2026: £17,981
• 29 August 2026: £17,840
• 1 September 2026: £17,754
• 4 September 2026: £17,709
• 24 September 2026: £17,581
• 27 September 2026: £17,575
• 3 October 2026: £17,547
• 5 October 2026: £17,505
• 6 October 2026: £17,882
• 12 October 2026: £17,708
• 16 October 2026: £17,647
• 19 October 2026: £17,574
• 21 October 2026: £17,307
• 24 October 2026: £17,264
• 28 October 2026: £17,283
• 31 October 2026: £17,320

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 26 February 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 28 May 2026, failed.

It failed on: tyre pressure monitoring system malfunctioning or obviously inoperative; engine MIL inoperative or indicates a malfunction.

Mileage at that test: 56,563 miles, which matches the advertised 56,516 miles.

Advertised mileage is about 2,500 miles lower 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: 56,740 miles. Price: £21,490, £4,170 more than this car. Dealer: 4Kay Motors in Heywood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-af7c72d9ae60
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 57,727 miles. Price: £19,400, £2,080 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-02ac51fb06fa
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 55,000 miles. Price: £22,000, £4,680 more than this car. Dealer: The New Car Group in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-793ee56a8e02

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 7 miles from this car. Mileage: 10,000 miles. Price: £19,995, £2,675 more than this car. Dealer: National Car Hub in Walsall. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-28eade31a02f