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: 85,000 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 85,000 miles on the clock. The AskCar estimate for this car is £16,646. It is priced at £17,895, which is £1,249 above that estimate. The AskCar estimate uses 6,897 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 13 days ago. The latest MOT recorded 85,561 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 22 September 2027. It is for sale at MC Autosales in Magherafelt. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,249 (7%) over the AskCar estimate of £16,646.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £17,895. 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 5 November 2026: valid until 22 September 2027.

It failed its MOT on 23 September 2026 (offside front suspension arm ball joint excessively worn central arm - outboard joint) and passed later the same day.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge n/s & o/s; nearside front road wheel slightly distorted; belly panels fitted.

Mileage at that test: 85,561 miles. The advert says 85,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 25,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

66 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 83,282 miles. Price: £17,500, £395 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-83d1d1bb0ca8
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 87,000 miles. Price: £14,995, £2,900 less than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-25daf45424d5
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 87,000 miles. Price: £15,995, £1,900 less than this car. Dealer: Junction 6 Motors in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-56c03a728bc0

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white, under a mile from this car. Mileage: 74,000 miles. Price: £18,795, £900 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b7d2948089d7