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: 76,025 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 4 Series Gran Coupe Sport is advertised with 76,025 miles, approximately 2,400 above the typical mileage for its age. Priced at £11,284, it is advertised £603 below the AskCar estimate of £11,887. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 BMW 4 Series Gran Coupe cars across different ages and specifications. We first recorded this advert 163 days ago, and its asking price has since fallen by £700. Its advertised mileage matches the government's MOT record. You can find this car at K W Motors in St. Albans. 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: £603 (5%) under the AskCar estimate of £11,887.

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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £11,984. Its asking price is now £11,284, £700 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 29 May 2026: £11,984
• 16 June 2026: £11,849
• 17 June 2026: £11,484
• 19 June 2026: £12,031
• 28 July 2026: £11,984
• 8 August 2026: £12,710
• 15 August 2026: £11,984
• 11 September 2026: £11,949
• 19 September 2026: £11,895
• 23 September 2026: £11,484
• 14 October 2026: £10,984
• 22 October 2026: £11,284

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 4 June 2027.

It has had 6 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 75,899 miles, which matches the advertised 76,025 miles.

Advertised mileage is about 2,400 miles higher 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 £16,700, 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, £711 more 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, silver. Mileage: 89,162 miles. Price: £10,528, £756 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
• 2018 BMW 4 Series Gran Coupe Sport, 2.0 petrol hatchback, grey. Mileage: 89,500 miles. Price: £10,990, £294 less than this car. Dealer: Rockpoint Bmw Specialists in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2018-7eadaade52ba