2018 BMW 4 Series 2.0 420d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420d M Sport Auto RWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 61,051 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series M Sport is advertised with 61,051 miles on the clock. The AskCar estimate for this car is £14,713. It is priced at £13,994, which is £719 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. This car was first seen in our listings data 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Alisons Automotive Group in Berkeley. 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: £719 (4%) under the AskCar estimate of £14,713.

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 £13,994. 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 22 October 2027.

It failed its MOT on 6 October 2026 (nearside rear seat belt not functioning as intended; offside rear seat belt not functioning as intended; nearside side repeater not working; and 1 more) and passed 17 days later, on 23 October 2026.

There were no advisories at the latest test.

Mileage at that test: 61,281 miles, which matches the advertised 61,051 miles.

Advertised mileage is about 1,900 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

33 other 2018 BMW 4 Series M Sport 2.0 diesel automatic coupes are for sale at UK dealers, from £10,000 to £17,498, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, white. Mileage: 62,441 miles. Price: £15,990, £1,996 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-7c15e6cde621
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 63,000 miles. Price: £14,950, £956 more than this car. Dealer: Intense Motors in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-732e34c9c91e
• 2018 BMW 4 Series M Sport, 2.0 diesel coupe, blue. Mileage: 58,687 miles. Price: £14,975, £981 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-a54a132dfbd6

• The nearest: 2018 BMW 4 Series M Sport, 2.0 diesel coupe, black, 60 miles from this car. Mileage: 75,432 miles. Price: £10,495, £3,499 less than this car. Dealer: Halesowen Trade Centre in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-e895a0a9d9d9