2018 BMW 3 Series 3.0 340i M Sport Shadow Edition

Price: £28,823. Above the going rate: £5,092 (21%) over the AskCar estimate of £23,731, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.

AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport Shadow Edition
  • Version: 3.0 340i M Sport Shadow Edition Auto RWD Euro 6 5dr (321 bhp)
  • Year: 2018
  • Mileage: 45,000 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 321 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 164 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport Shadow Edition is advertised with 45,000 miles, approximately 27,600 below the typical mileage for its age. The AskCar estimate for this car is £23,731. It is priced at £28,823, which is £5,092 above that estimate. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 50 days ago, and its asking price has since fallen by £1,172. Its advertised mileage matches the government's MOT record. You can find this car at Ron Hodgson Specialist Cars in Ormskirk. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £5,092 (21%) over the AskCar estimate of £23,731.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 3.0 petrol engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 15 September 2026 at £29,995. Its asking price is now £28,823, £1,172 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 15 September 2026: £29,995
  • 22 September 2026: £29,940
  • 24 September 2026: £29,934
  • 29 September 2026: £29,919
  • 30 September 2026: £29,918
  • 1 October 2026: £29,888
  • 3 October 2026: £29,880
  • 4 October 2026: £29,870
  • 5 October 2026: £29,848
  • 9 October 2026: £29,838
  • 12 October 2026: £29,795
  • 14 October 2026: £29,787
  • 15 October 2026: £29,750
  • 17 October 2026: £29,649
  • 18 October 2026: £28,995
  • 4 November 2026: £28,823

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 January 2027.

It has had 6 MOTs. The latest, on 6 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,247 miles, which matches the advertised 45,000 miles.

Advertised mileage is about 27,600 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

3 other 2018 BMW 3 Series M Sport Shadow Edition 3.0 petrol automatic estates are for sale at UK dealers, from £24,990 to £29,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol estate, black. Mileage: 40,000 miles. Price: £28,450, £373 less than this car. Dealer: AMS Specialist Cars in Cwmbran. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-3a5fb3216bfd
  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol estate, blue. Mileage: 33,000 miles. Price: £29,995, £1,172 more than this car. Dealer: S.P.V. Automotive in Windlesham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-8f1cdbf37e18
  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol estate, black. Mileage: 61,000 miles. Price: £24,990, £3,833 less than this car. Dealer: Pinewood Motors in Abbots Langley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-c1151c1280c9

Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide

More like this

Photos

60 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.