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: 43,756 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 43,756 miles, this 2020 BMW 3 Series M Sport has covered about 15,500 fewer miles than other 2020 BMW 3 Series cars. Its asking price of £19,999 is £1,571 below the AskCar estimate of £21,570. The AskCar estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 30 days ago. Its advertised mileage matches the government's MOT record. The seller is HPL Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,571 (7%) under the AskCar estimate of £21,570.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 455 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 8 October 2026 at £19,999. 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 7 November 2026: valid until 27 April 2027.

It has had 4 MOTs. The latest, on 28 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,552 miles, which matches the advertised 43,756 miles.

Advertised mileage is about 15,500 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

69 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 43,029 miles. Price: £20,000, the same price as this car. Dealer: Sparshatts Of Havant in Havant. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-942c9e4fa7b3
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 42,701 miles. Price: £20,750, £751 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-8e642ff20065
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 45,000 miles. Price: £20,750, £751 more than this car. Dealer: Alistair Buchan in East Wemyss. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b928d2045d02

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 8 miles from this car. Mileage: 115,000 miles. Price: £15,500, £4,499 less than this car. Dealer: Mobberley Motors in Knutsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-78056dd64c53