2018 BMW 4 Series 3.0 430d M Sport

Price: £20,000. Fair price: £149 (under 1%) over the AskCar estimate of £19,851, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,787 priced BMW 4 Series adverts on AskCar as of 2 November 2026.

AskCar lists 1,835 used BMW 4 Series from 1,064 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: 4 Series
  • Trim: M Sport
  • Version: 3.0 430d M Sport Auto 4WD Euro 6 (s/s) 2dr (254 bhp)
  • Year: 2018
  • Mileage: 40,000 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 254 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 40,000 miles on the clock. Priced at £20,000, it is advertised £149 above the AskCar estimate of £19,851. The AskCar estimate uses UK dealer asking prices, including 1,787 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 19 days. The latest MOT recorded 41,034 miles, above the advertised mileage. Check this with the dealer. Its MOT is recorded as valid until 17 June 2027. You can find this car at Junction 17 Cars Peterborough in Yaxley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £149 (under 1%) over the AskCar estimate of £19,851.

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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 4 Series with the 3.0 diesel engine is typically advertised at £17,600: the median of the 85 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £20,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 June 2027.

It has had 7 MOTs. The latest, on 18 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,034 miles. The advert says 40,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 23,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

36 other 2018 BMW 4 Series M Sport 3.0 diesel automatic coupes are for sale at UK dealers, from £10,995 to £20,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 4 Series M Sport, 3.0 diesel coupe, black. Mileage: 41,100 miles. Price: £19,000, £1,000 less than this car. Dealer: Brookfield Autos in Wigan. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-15a7d8a94be8
  • 2018 BMW 4 Series M Sport, 3.0 diesel coupe, grey. Mileage: 34,700 miles. Price: £20,990, £990 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-529db9c65812
  • 2018 BMW 4 Series M Sport, 3.0 diesel coupe, blue. Mileage: 51,586 miles. Price: £18,495, £1,505 less than this car. Dealer: German Motor Store in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-96d8da7d9ed9
  • The nearest: 2018 BMW 4 Series M Sport, 3.0 diesel coupe, black, 1 miles from this car. Mileage: 88,508 miles. Price: £13,749, £6,251 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c670d67e89ff

Browse all BMW 4 Series cars for sale · 2018 BMW 4 Series price guide

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Photos

57 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.