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: 88,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 88,000 miles on the clock, this 2018 BMW 4 Series M Sport has done roughly 25,000 more miles than a typical 2018 BMW 4 Series. Its asking price of £11,489 is £30 below the AskCar estimate of £11,519. To work out the AskCar estimate, we analyse UK dealer adverts for 1,825 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by TNG Automotive in Croydon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £30 (under 1%) under the AskCar estimate of £11,519.

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 1,825 priced BMW 4 Series adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 120 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2018 BMW 4 Series advertised today. About 4 in 10 of 2018 BMW 4 Series cars are gone from sale within a month of being advertised: 134 of the 300 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £11,489. 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 7 November 2026: valid until 5 August 2027.

It has had 7 MOTs. The latest, on 4 August 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; nearside rear tyre worn close to legal limit/worn on edge 255/30r20; offside rear tyre worn close to legal limit/worn on edge 255/30r20.

Mileage at that test: 84,251 miles, which matches the advertised 88,000 miles.

Advertised mileage is about 25,000 miles higher 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 94,538 miles. Price: £11,999, £510 more than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-d5927ab70238
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 79,000 miles. Price: £15,000, £3,511 more than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-5ee21f5602be
• 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 73,274 miles. Price: £12,795, £1,306 more than this car. Dealer: Motoring WAY in Abertillery. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-c608ab0df585

• The nearest: 2018 BMW 4 Series M Sport, 2.0 petrol coupe, black, 14 miles from this car. Mileage: 72,600 miles. Price: £12,488, £999 more than this car. Dealer: Car Capital in Southall. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-cd7c272be5c3