2020 BMW 3 Series 3.0 M340i

Price: £27,000. Fair price: £56 (under 1%) under the AskCar estimate of £27,056, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Version: 3.0 M340i Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
  • Year: 2020
  • Mileage: 70,402 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 369 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 162 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series is advertised with 70,402 miles, approximately 11,200 above the typical mileage for its age. The AskCar estimate for this car is £27,056. It is priced at £27,000, which is £56 below that estimate. The AskCar estimate uses 6,864 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 38 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Chris W Roads in Ripley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Chris W Roads is rated 4.8 out of 5 on Google.

Price

Fair price: £56 (under 1%) under the AskCar estimate of £27,056.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

A 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £27,800: the median of the 61 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 3 October 2026 at £27,500. Its asking price is now £27,000, £500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 3 October 2026: £27,500
  • 22 October 2026: £27,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 28 September 2027.

It has had 8 MOTs. The latest, on 29 September 2026, passed.

Advisories at the latest test: nearside front lower suspension arm ball joint has slight play rear arm; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 70,558 miles, which matches the advertised 70,402 miles.

Advertised mileage is about 11,200 miles higher 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

More like this

Photos

51 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.