2020 BMW 3 Series 2.0 320d SE

Price: £13,800. Fair price: £262 (1%) over the AskCar estimate of £13,538, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: SE
  • Version: 2.0 320d SE Auto RWD Euro 6 (s/s) 4dr (187 bhp)
  • Year: 2020
  • Mileage: 83,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 110 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series has covered 83,000 miles, around 23,000 more miles than is typical for its age. Priced at £13,800, it is advertised £262 above the AskCar estimate of £13,538. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 149 days ago. Its asking price has since fallen by £675. It is for sale at West Kent Motor Group Online in Sevenoaks. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £262 (1%) over the AskCar estimate of £13,538.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 149 days.

Price history

AskCar first saw this advert on 10 June 2026 at £14,475. Its asking price is now £13,800, £675 less. The latest price cut was seen on 6 September 2026.

Price changes recorded:

  • 27 June 2026: £14,475
  • 29 June 2026: £14,450
  • 7 July 2026: £14,388
  • 12 July 2026: £14,288
  • 14 July 2026: £14,275
  • 18 July 2026: £14,200
  • 20 July 2026: £13,988
  • 1 August 2026: £13,950
  • 2 August 2026: £13,925
  • 4 August 2026: £13,888
  • 6 August 2026: £13,875
  • 6 September 2026: £13,800

Mileage and MOT

Advertised mileage is about 23,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

12 other 2020 BMW 3 Series SE 2.0 diesel automatic saloons are for sale at UK dealers, from £10,995 to £17,895, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series SE, 2.0 diesel saloon, black. Mileage: 75,250 miles. Price: £13,995, £195 more than this car. Dealer: Vines of Guildford BMW in Guildford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c8150c83735e
  • 2020 BMW 3 Series SE, 2.0 diesel saloon, black. Mileage: 91,200 miles. Price: £12,899, £901 less than this car. Dealer: World Cars in Egham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a25f63b3e973
  • 2020 BMW 3 Series SE, 2.0 diesel saloon, silver. Mileage: 71,446 miles. Price: £14,495, £695 more than this car. Dealer: VD Motor Group in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-04455d1067be

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

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Photos

53 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.