2020 BMW 3 Series 2.0 320d MHT M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2020
• Mileage: 69,836 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 69,836 miles, approximately 10,600 above the typical mileage for its age. The AskCar estimate for this car is £18,601. It is priced at £17,998, which is £603 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 27 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Perth Vauxhall / Fiat / Abarth / Jeep / Alfa Romeo / Leapmotor / Vanstore, based in Perth. 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: £603 (3%) under the AskCar estimate of £18,601.

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 27 days.

Price history

AskCar first saw this advert on 11 October 2026 at £18,998. Its asking price is now £17,998, £1,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 11 October 2026: £18,998
• 6 November 2026: £17,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 6 October 2027.

It has had 8 MOTs. The latest, on 7 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,836 miles, which matches the advertised 69,836 miles.

Advertised mileage is about 10,600 miles higher 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, black. Mileage: 69,863 miles. Price: £18,900, £902 more than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-428ce077d55c
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 69,000 miles. Price: £16,995, £1,003 less than this car. Dealer: M M K Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bed4738765d6
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 68,000 miles. Price: £15,495, £2,503 less than this car. Dealer: Knightsbridge Cars NI in Lisburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3b6743d0cce8

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, under a mile from this car. Mileage: 52,009 miles. Price: £20,990, £2,992 more than this car. Dealer: Eastern Western Motor Group Grassicks BMW in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-40f72c3ccb0d