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: 62,294 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 62,294 miles, this 2020 BMW 3 Series M Sport has covered about 3,300 more miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £19,346. It is priced at £16,750, which is £2,596 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. We first recorded this advert 67 days ago, and its asking price has since fallen by £1,700. Its advertised mileage matches the government's MOT record. It is advertised by Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,596 (13%) under the AskCar estimate of £19,346.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 448 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 67 days.

Price history

AskCar first saw this advert on 27 August 2026 at £18,450. Its asking price is now £16,750, £1,700 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 27 August 2026: £18,450
• 22 September 2026: £18,150
• 30 September 2026: £17,850
• 7 October 2026: £17,550
• 12 October 2026: £17,250
• 19 October 2026: £17,000
• 1 November 2026: £16,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 August 2027.

It failed its MOT on 23 July 2026 (nearside front tyre has ply or cords damaged) and passed later the same day.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 60,719 miles, which matches the advertised 62,294 miles.

Advertised mileage is about 3,300 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

64 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 63,362 miles. Price: £19,995, £3,245 more than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-db7f141b1e35
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 60,000 miles. Price: £19,999, £3,249 more than this car. Dealer: Lookers in Newtownabbey. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ee5e466f9896
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 59,704 miles. Price: £19,945, £3,195 more than this car. Dealer: Gormley Car Sales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e737d989363e

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey, under a mile from this car. Mileage: 42,701 miles. Price: £21,050, £4,300 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-8e642ff20065