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: 86,900 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 86,900 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 27,200 more miles than a typical 2020 BMW 3 Series. The dealer is asking £18,495, which is £1,658 above the AskCar estimate of £16,837. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 40 days ago. Our records show an MOT expiry date of 9 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at CWF Vehicles Sales in Wotton-under-Edge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,658 (9%) over the AskCar estimate of £16,837.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £18,995. Its asking price is now £18,495, £500 less. The latest price cut was seen on 4 October 2026.

Price changes recorded:

• 25 September 2026: £18,995
• 4 October 2026: £18,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 9 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 3 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 82,513 miles, which matches the advertised 86,900 miles.

Advertised mileage is about 27,200 miles higher 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 85,439 miles. Price: £15,395, £3,100 less than this car. Dealer: Group 1 Assured Wirral in Birkenhead. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-682e68708200
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 79,661 miles. Price: £18,999, £504 more than this car. Dealer: Wearside Autoparc in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5054c607634a
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 79,000 miles. Price: £19,000, £505 more than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-9908819cae23

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, grey, 44 miles from this car. Mileage: 78,000 miles. Price: £19,995, £1,500 more than this car. Dealer: The Car Barns in Welford-on-Avon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-36d999d59caf