2018 BMW 4 Series 2.0 420d Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: Sport
• Version: 2.0 420d Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 46,489 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,489 miles, this 2018 BMW 4 Series Sport has covered about 16,500 fewer miles than other 2018 BMW 4 Series cars. Its asking price of £14,250 is £118 below the AskCar estimate of £14,368. The AskCar estimate draws on 1,814 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motorzone Durham, based in Durham. 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

Fair price: £118 (under 1%) under the AskCar estimate of £14,368.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 4 Series with the 2.0 diesel engine is typically advertised at £14,500: the median of the 112 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised 1 day ago. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 128 of the 289 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £14,250. 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 4 November 2026: valid until 24 June 2027.

It has had 9 MOTs. The latest, on 25 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,219 miles, which matches the advertised 46,489 miles.

Advertised mileage is about 16,500 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

1 other 2018 BMW 4 Series Sport 2.0 diesel automatic convertible is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

• 2018 BMW 4 Series Sport, 2.0 diesel convertible, red. Mileage: 78,027 miles. Price: £11,995, £2,255 less than this car. Dealer: Caledonia Vehicle Solutions in Ayr. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-77770395fbb9