2020 BMW 3 Series 2.0 320i M Sport

Price: £21,499. Fair price: £200 (under 1%) under the AskCar estimate of £21,699, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.

AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320i M Sport Auto Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2020
  • Mileage: 39,123 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Colour: White
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 39,123 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 20,500 fewer miles than a typical 2020 BMW 3 Series. Its asking price of £21,499 is £200 below the AskCar estimate of £21,699. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 4 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Lookers BMW Stoke-On-Trent, based in Stoke on Trent. 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: £200 (under 1%) under the AskCar estimate of £21,699.

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

AskCar first saw this 2020 BMW 3 Series advertised 4 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 334 of the 699 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £21,699. Its asking price is now £21,499, £200 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 1 November 2026: £21,699
  • 2 November 2026: £21,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 June 2027.

It failed its MOT on 21 May 2026 (tyre pressure monitoring system malfunctioning or obviously inoperative) and passed later the same day.

Advisories at the latest test: nearside rear tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 36,133 miles, which matches the advertised 39,123 miles.

Advertised mileage is about 20,500 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, grey. Mileage: 38,450 miles. Price: £21,495, the same price as this car. Dealer: Izzy Motors in Enfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b0b745cae0da
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 39,852 miles. Price: £20,934, £565 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-95343d604176
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 39,892 miles. Price: £20,999, £500 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93a2adb8c4f0
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 3 miles from this car. Mileage: 94,730 miles. Price: £16,995, £4,504 less than this car. Dealer: Top Gear Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d232b77f6e4f

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

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Photos

42 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.