2020 BMW 3 Series 3.0

Price: £29,000. Fair price: £2,386 (7%) under the AskCar estimate of £31,386, 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
  • Version: 3.0 M340i Auto 4WD Euro 6 4dr (368 bhp)
  • Year: 2020
  • Mileage: 39,200 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 368 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 185 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series has covered 39,200 miles, around 20,400 fewer miles than is typical for its age. Priced at £29,000, it is advertised £2,386 below the AskCar estimate of £31,386. 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 first saw this car advertised 161 days ago. Its asking price has since fallen by £1,195. The recorded MOT expired on 7 August 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by RJD Motors in Hook. 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: £2,386 (7%) under the AskCar estimate of £31,386.

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 3.0 petrol engine is typically advertised at £27,500: the median of the 61 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 £30,195. Its asking price is now £29,000, £1,195 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 28 May 2026: £30,195
  • 21 June 2026: £30,000
  • 6 July 2026: £29,750
  • 11 July 2026: £29,500
  • 13 August 2026: £29,250
  • 20 October 2026: £29,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 7 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 17 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 35,888 miles, which matches the advertised 39,200 miles.

Advertised mileage is about 20,400 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

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

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Photos

50 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.