2018 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 2dr (Professional Media) (181 bhp)
• Year: 2018
• Mileage: 26,971 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 26,971 miles, this 2018 BMW 4 Series M Sport has covered about 36,300 fewer miles than other 2018 BMW 4 Series cars. The dealer is asking £16,499, which is £135 below the AskCar estimate of £16,634. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We first recorded this advert 52 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. It is advertised by cinch Corby in North Northamptonshire. 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: £135 (under 1%) under the AskCar estimate of £16,634.

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 2.0 petrol engine is typically advertised at £14,800: the median of the 112 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £16,999. Its asking price is now £16,499, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 September 2026: £16,999
• 13 October 2026: £16,699
• 27 October 2026: £16,499

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 August 2027.

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

There were no advisories at the latest test.

Mileage at that test: 26,964 miles, which matches the advertised 26,971 miles.

Advertised mileage is about 36,300 miles lower than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

30 other 2018 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £9,599 to £18,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 24,000 miles. Price: £17,789, £1,290 more than this car. Dealer: AffordableCar in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-83970b1ca68b
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 31,500 miles. Price: £17,499, £1,000 more than this car. Dealer: DB Prestige in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-5774fff9c616
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 19,000 miles. Price: £18,999, £2,500 more than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-67f81e8ca4d8

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue, 17 miles from this car. Mileage: 50,000 miles. Price: £14,990, £1,509 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-7c9d00b95ab9