2020 BMW 3 Series 2.0 320i M Sport

Price: £18,600. Fair price: £170 (under 1%) under the AskCar estimate of £18,770, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 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: 58,000 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

This 2020 BMW 3 Series M Sport is advertised with 58,000 miles on the clock. Its asking price of £18,600 is £170 below the AskCar estimate of £18,770. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 123 days ago, the asking price has dropped by £400. Our latest MOT record expired on 3 August 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Alistair Buchan in East Wemyss. 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

Fair price: £170 (under 1%) under the AskCar estimate of £18,770.

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 123 days.

Price history

AskCar first saw this advert on 2 July 2026 at £19,000. Its asking price is now £18,600, £400 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 2 July 2026: £19,000
  • 28 October 2026: £18,600

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 3 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 1 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 49,176 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 1,000 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, black. Mileage: 58,162 miles. Price: £18,475, £125 less than this car. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-20241b07f4c5
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 57,700 miles. Price: £17,650, £950 less than this car. Dealer: Select Car Superstore in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3a68ff2fcd9c
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 58,328 miles. Price: £18,895, £295 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fba88ffa77bc
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 20 miles from this car. Mileage: 64,540 miles. Price: £16,999, £1,601 less than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Superstore Newbridge in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ef80536eff13

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

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Photos

44 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.