2020 BMW 3 Series 2.0 320d MHT M Sport Plus Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Plus Edition
• Version: 2.0 320d MHT M Sport Plus Edition Auto RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2020
• Mileage: 77,400 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 Plus Edition has covered 77,400 miles, around 17,700 more miles than is typical for its age. The AskCar estimate for this car is £17,489. It is priced at £18,590, which is £1,101 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,862 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 158 days ago. Its asking price has since fallen by £1,700. The government's MOT record matches its advertised mileage. You can find this car at Kennington Car Sales in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,101 (6%) over the AskCar estimate of £17,489.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £20,290. Its asking price is now £18,590, £1,700 less. The latest price cut was seen on 1 October 2026.

Price changes recorded:

• 31 May 2026: £20,290
• 27 June 2026: £19,999
• 14 July 2026: £19,799
• 30 July 2026: £19,790
• 1 October 2026: £18,590

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 3 April 2027.

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

There were no advisories at the latest test.

Mileage at that test: 77,398 miles, which matches the advertised 77,400 miles.

Advertised mileage is about 17,700 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

7 other 2020 BMW 3 Series M Sport Plus Edition 2.0 diesel automatic saloons are for sale at UK dealers, from £14,500 to £25,975, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, grey. Mileage: 76,000 miles. Price: £19,750, £1,160 more than this car. Dealer: Warwickshire Car & Van Company in Coventry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a15ab6cf9ce2
• 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, blue. Mileage: 81,696 miles. Price: £14,500, £4,090 less than this car. Dealer: Riverside Car Sales in Middlesbrough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4f538c284812
• 2020 BMW 3 Series M Sport Plus Edition, 2.0 diesel saloon, grey. Mileage: 90,051 miles. Price: £16,995, £1,595 less than this car. Dealer: Shop For Cars in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2310402e84aa