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: 45,718 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

With 45,718 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 13,300 fewer miles than a typical 2020 BMW 3 Series. The dealer is asking £18,549, which is £1,641 below the AskCar estimate of £20,190. 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 52 days ago, and its asking price has since fallen by £1,350. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Glasgow, based in Glasgow. 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: £1,641 (8%) under the AskCar estimate of £20,190.

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 petrol 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 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £19,899. Its asking price is now £18,549, £1,350 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 September 2026: £19,899
• 15 September 2026: £19,149
• 16 September 2026: £19,349
• 24 September 2026: £19,099
• 26 September 2026: £19,199
• 30 September 2026: £19,399
• 7 October 2026: £19,199
• 13 October 2026: £19,049
• 20 October 2026: £18,899
• 27 October 2026: £18,549

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 September 2027.

It has had 5 MOTs. The latest, on 1 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,685 miles, which matches the advertised 45,718 miles.

Advertised mileage is about 13,300 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 45,191 miles. Price: £21,695, £3,146 more than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f5dde79a86f3
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 46,293 miles. Price: £22,120, £3,571 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dae5ee847183
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 46,411 miles. Price: £19,999, £1,450 more than this car. Dealer: cinch in Melton Mowbray. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-17daa60b1df7

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 6 miles from this car. Mileage: 38,655 miles. Price: £19,458, £909 more than this car. Dealer: Stratstone Mercedes-Benz Of Giffnock in Giffnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7a1df67a38cd