2020 BMW 3 Series 2.0 318d MHT SE

Price: £15,600. Fair price: £841 (5%) over the AskCar estimate of £14,759, 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: SE
  • Version: 2.0 318d MHT SE Auto RWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2020
  • Mileage: 69,950 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series is advertised with 69,950 miles on the clock. The dealer is asking £15,600, which is £841 above the AskCar estimate of £14,759. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 13 days ago. The last MOT shows 70,536 miles, more than the advert. This is worth checking with the dealer. Its recorded MOT is valid until 29 September 2027. The seller is Car Capital, based in Southall. 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: £841 (5%) over the AskCar estimate of £14,759.

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 diesel 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 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £14,950. Its asking price is now £15,600, £650 more.

Price changes recorded:

  • 23 October 2026: £14,950
  • 25 October 2026: £15,250
  • 26 October 2026: £15,600

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 September 2027.

It has had 4 MOTs. The latest, on 11 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 70,536 miles. The advert says 69,950 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 10,400 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

11 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series SE, 2.0 diesel saloon, grey. Mileage: 70,000 miles. Price: £15,995, £395 more than this car. Dealer: Car-Isma Cheshire in Knutsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-32fd0dbd1a51
  • 2020 BMW 3 Series SE, 2.0 diesel saloon, black. Mileage: 69,883 miles. Price: £14,800, £800 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-153bb341355b
  • 2020 BMW 3 Series SE, 2.0 diesel saloon, silver. Mileage: 71,446 miles. Price: £14,495, £1,105 less than this car. Dealer: VD Motor Group in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-04455d1067be
  • The nearest: 2020 BMW 3 Series SE, 2.0 diesel saloon, black, 10 miles from this car. Mileage: 91,200 miles. Price: £12,899, £2,701 less than this car. Dealer: World Cars in Egham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a25f63b3e973

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

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Photos

56 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.