2020 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2020
• Mileage: 37,072 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,072 miles, this 2020 BMW 3 Series M Sport has covered about 22,500 fewer miles than other 2020 BMW 3 Series cars. Priced at £21,250, it is advertised £98 above the AskCar estimate of £21,152. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 42 days. Its advertised mileage matches the government's MOT record. It is advertised by John Clark BMW Tayside in Dundee. 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: £98 (under 1%) over the AskCar estimate of £21,152.

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 petrol 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 42 days.

Price history

AskCar first saw this advert on 24 September 2026 at £21,250. 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 6 January 2027.

It has had 4 MOTs. The latest, on 7 January 2026, passed.

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

Mileage at that test: 31,383 miles, which matches the advertised 37,072 miles.

Advertised mileage is about 22,500 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

98 other 2020 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £12,999 to £25,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 37,165 miles. Price: £20,199, £1,051 less than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fc325c86d597
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 36,787 miles. Price: £19,998, £1,252 less than this car. Dealer: CarSupermarket.com Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-62b0d516df62
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 37,720 miles. Price: £21,599, £349 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d324ff2c1534

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white, 22 miles from this car. Mileage: 58,000 miles. Price: £18,600, £2,650 less than this car. Dealer: Alistair Buchan in East Wemyss. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e4c08020440b