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 4WD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2020
• Mileage: 10,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 120 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 10,000 miles on the clock. The dealer is asking £19,995, which is £5,891 below the AskCar estimate of £25,886. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 31 days ago. The advertised mileage is lower than the latest MOT reading of 50,159 miles. Ask the dealer to explain. The latest recorded MOT expires on 6 July 2027. It is advertised by National Car Hub in Walsall. 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: £5,891 (22%) under the AskCar estimate of £25,886.

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 31 days.

Price history

AskCar first saw this advert on 2 October 2026 at £19,995. Its asking price has not changed.

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 July 2027.

It has had 6 MOTs. The latest, on 29 June 2026, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; front brake pad(s) wearing thin.

Mileage at that test: 50,159 miles. The advert says 10,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 49,000 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, orange. Mileage: 23,604 miles. Price: £23,700, £3,705 more than this car. Dealer: cartime Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c47e550dacce
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 23,633 miles. Price: £22,499, £2,504 more than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-daa3db81b991
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 23,864 miles. Price: £23,730, £3,735 more than this car. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b0ecc753621b

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, 7 miles from this car. Mileage: 56,516 miles. Price: £17,320, £2,675 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e0c3cf1743a3