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: 78,430 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 78,430 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 19,400 more miles than a typical 2020 BMW 3 Series. Its asking price of £16,350 is £735 below the AskCar estimate of £17,085. The AskCar estimate uses 6,742 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 47 days ago, and its asking price has since fallen by £150. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Perrys Milton Keynes Peugeot & Citroen, based in Milton Keynes. 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

Fair price: £735 (4%) under the AskCar estimate of £17,085.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £16,500. Its asking price is now £16,350, £150 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 16 September 2026: £16,500
• 16 October 2026: £16,350

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 6 March 2027.

It has had 4 MOTs. The latest, on 19 February 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged.

Mileage at that test: 75,864 miles, which matches the advertised 78,430 miles.

Advertised mileage is about 19,400 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, white. Mileage: 77,730 miles. Price: £18,495, £2,145 more than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-53e26bd8dd34
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 79,927 miles. Price: £18,495, £2,145 more than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fb71b5836f1c
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 79,952 miles. Price: £17,160, £810 more than this car. Dealer: Evans Halshaw Vauxhall Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6a93f50d7e8a

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 2 miles from this car. Mileage: 65,000 miles. Price: £17,000, £650 more than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6d3c91c5fed7