2018 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i GPF M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2018
• Mileage: 19,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,000 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 44,300 fewer miles than a typical 2018 BMW 4 Series. The dealer is asking £18,999, which is £1,611 above the AskCar estimate of £17,388. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 38 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Anslow Autos, based in Burton-on-Trent. 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

Above the going rate: £1,611 (9%) over the AskCar estimate of £17,388.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £19,499. Its asking price is now £18,999, £500 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 25 September 2026: £19,499
• 18 October 2026: £18,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 June 2027.

It has had 7 MOTs. The latest, on 19 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 19,183 miles, which matches the advertised 19,000 miles.

Advertised mileage is about 44,300 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 £17,995, 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, £1,210 less 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, black. Mileage: 26,971 miles. Price: £16,499, £2,500 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-64d5604e6be8
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 31,500 miles. Price: £17,499, £1,500 less than this car. Dealer: DB Prestige in Warrington. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-5774fff9c616