2020 BMW 3 Series 2.0 320i M Sport

Price: £17,490. Fair price: £720 (3%) under the AskCar estimate of £18,210, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 7 November 2026.

AskCar lists 7,202 used BMW 3 Series from 2,724 UK dealerships, as of 7 November 2026.

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: 61,400 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 61,400 miles, around 2,200 more miles than is typical for its age. The AskCar estimate for this car is £18,210. It is priced at £17,490, which is £720 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 57 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at S James Prestige in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £720 (3%) under the AskCar estimate of £18,210.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 455 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 11 September 2026 at £17,790. Its asking price is now £17,490, £300 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 11 September 2026: £17,790
  • 22 October 2026: £17,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 10 June 2027.

It has had 4 MOTs. The latest, on 22 May 2026, passed.

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

Mileage at that test: 57,946 miles, which matches the advertised 61,400 miles.

Advertised mileage is about 2,200 miles higher 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 61,537 miles. Price: £18,199, £709 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ef8d3d80fc2f
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 63,799 miles. Price: £17,650, £160 more than this car. Dealer: Evans Halshaw Vauxhall Kilmarnock in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3ed976ecf54a
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 63,974 miles. Price: £18,995, £1,505 more than this car. Dealer: WRC Sales in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a5b437dbe4be
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 15 miles from this car. Mileage: 57,700 miles. Price: £17,650, £160 more than this car. Dealer: Select Car Superstore in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3a68ff2fcd9c

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

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Photos

19 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.