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 (s/s) 5dr Touring (187 bhp)
• Year: 2020
• Mileage: 46,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 46,000 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 14,000 fewer miles than a typical 2020 BMW 3 Series. The dealer is asking £22,695, which is £139 above the AskCar estimate of £22,556. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 6 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Matt Johnson Prestige in Barrow-in-Furness. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £139 (under 1%) over the AskCar estimate of £22,556.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 BMW 3 Series advertised 6 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 342 of the 714 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £22,695. 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 6 November 2026: valid until 22 September 2027.

It has had 5 MOTs. The latest, on 23 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,005 miles, which matches the advertised 46,000 miles.

Advertised mileage is about 14,000 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 46,134 miles. Price: £22,999, £304 more than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-67e4287775e8
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 45,526 miles. Price: £21,790, £905 less than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6222d2ae70a3
• 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 47,350 miles. Price: £22,495, £200 less than this car. Dealer: Bourne Valley Autos in Andover. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-848449c42792

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, black, 41 miles from this car. Mileage: 41,128 miles. Price: £23,945, £1,250 more than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-85a71ef940d2