2018 BMW 4 Series Gran Coupe 2.0 420i Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: Sport
• Version: 2.0 420i Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 15,638 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,638 miles on the clock, this 2018 BMW 4 Series Gran Coupe Sport has done roughly 58,000 fewer miles than a typical 2018 BMW 4 Series Gran Coupe. The AskCar estimate for this car is £16,926. It is priced at £16,700, which is £226 below that estimate. The AskCar estimate uses 1,174 UK dealer adverts for the BMW 4 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 104 days ago, the asking price has dropped by £1,850. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Hilton Garage in Derby. 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: £226 (1%) under the AskCar estimate of £16,926.

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 1,174 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £13,500: the median of the 123 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 BMW 4 Series Gran Coupe has been on sale for at least 104 days.

Price history

AskCar first saw this advert on 26 July 2026 at £18,550. Its asking price is now £16,700, £1,850 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

• 26 July 2026: £18,550
• 4 August 2026: £18,450
• 5 August 2026: £18,350
• 6 August 2026: £18,050
• 8 August 2026: £17,950
• 9 August 2026: £17,750
• 28 August 2026: £17,650
• 5 September 2026: £17,550
• 6 September 2026: £17,450
• 13 September 2026: £17,350
• 23 September 2026: £17,150
• 26 September 2026: £16,250
• 3 October 2026: £15,750
• 18 October 2026: £16,400
• 22 October 2026: £16,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 July 2027.

It has had 6 MOTs. The latest, on 29 July 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 15,649 miles, which matches the advertised 15,638 miles.

Advertised mileage is about 58,000 miles lower than the median mileage of a 2018 BMW 4 Series Gran Coupe on AskCar.

Similar cars

6 other 2018 BMW 4 Series Gran Coupe Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £9,990 to £11,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 4 Series Gran Coupe Sport, 2.0 petrol hatchback, black. Mileage: 76,000 miles. Price: £11,995, £4,705 less than this car. Dealer: Chiltern Car Sales in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-e18d83f445d7
• 2018 BMW 4 Series Gran Coupe Sport, 2.0 petrol hatchback, blue. Mileage: 76,025 miles. Price: £11,284, £5,416 less than this car. Dealer: K W Motors in St Albans. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-e8f7192ff661
• 2018 BMW 4 Series Gran Coupe Sport, 2.0 petrol hatchback, silver. Mileage: 89,162 miles. Price: £10,528, £6,172 less than this car. Dealer: Group 961 in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-2dada3776168

• The nearest: 2018 BMW 4 Series Gran Coupe Sport, 2.0 petrol hatchback, grey, 18 miles from this car. Mileage: 89,500 miles. Price: £10,990, £5,710 less than this car. Dealer: Rockpoint Bmw Specialists in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7eadaade52ba