2020 BMW 3 Series 2.0 320i M Sport

Price: £18,475. Fair price: £141 (under 1%) under the AskCar estimate of £18,616, 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: 58,499 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport has covered 58,499 miles. The AskCar estimate for this car is £18,616. It is priced at £18,475, which is £141 below that estimate. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 14 days. Its advertised mileage matches the government's MOT record. It is advertised by The Car Co in Bury. 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: £141 (under 1%) under the AskCar estimate of £18,616.

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 14 days.

Price history

AskCar first saw this advert on 22 October 2026 at £18,475. 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 September 2027.

It has had 4 MOTs. The latest, on 28 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,321 miles, which matches the advertised 58,499 miles.

Advertised mileage is about 1,100 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: 58,328 miles. Price: £18,895, £420 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fba88ffa77bc
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 58,850 miles. Price: £18,500, the same price as this car. Dealer: Trust Ford Coleraine in Coleraine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d6375bf951b0
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 58,000 miles. Price: £18,600, £125 more than this car. Dealer: Alistair Buchan in East Wemyss. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e4c08020440b
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, orange, 5 miles from this car. Mileage: 28,364 miles. Price: £21,888, £3,413 more than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fe14464cb548

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

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Photos

13 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.