2020 BMW 3 Series 2.0 320i M Sport

Price: £20,999. Fair price: £200 (under 1%) over the AskCar estimate of £20,799, 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 RWD Euro 6 (s/s) 4dr (181 bhp)
  • Year: 2020
  • Mileage: 39,892 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 BMW 3 Series M Sport is 39,892 miles. Its asking price of £20,999 is £200 above the AskCar estimate of £20,799. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 161 days ago. The advertised mileage is lower than the latest MOT reading of 41,484 miles. Ask the dealer to explain. MOT records show an expiry date of 29 April 2027. The seller is Lookers BMW Stafford, based in Stafford. 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%) over the AskCar estimate of £20,799.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £20,999. 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 29 April 2027.

It has had 5 MOTs. The latest, on 30 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,484 miles. The advert says 39,892 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 19,700 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, blue. Mileage: 39,852 miles. Price: £20,934, £65 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, blue. Mileage: 40,000 miles. Price: £21,950, £951 more than this car. Dealer: Rev It Up UK in Denbigh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-059942777ddd
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 40,000 miles. Price: £22,750, £1,751 more than this car. Dealer: Mi Prestige in Chingford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-8d8f9751a49e

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

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Photos

26 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.