2020 BMW 4 Series Gran Coupe 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2020
• Mileage: 38,507 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 38,507 miles on the clock, this 2020 BMW 4 Series Gran Coupe M Sport has done roughly 17,000 fewer miles than a typical 2020 BMW 4 Series Gran Coupe. Its asking price of £16,260 is £2,216 below the AskCar estimate of £18,476. The AskCar estimate uses UK dealer asking prices, including 1,183 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 43 days ago. Its asking price has since fallen by £1,190. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Hilton Garage in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £2,216 (12%) under the AskCar estimate of £18,476.

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 1,183 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £16,000: the median of the 57 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 4 Series Gran Coupe has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 24 September 2026 at £17,450. Its asking price is now £16,260, £1,190 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 24 September 2026: £17,450
• 27 September 2026: £16,950
• 13 October 2026: £16,750
• 30 October 2026: £16,950
• 31 October 2026: £16,450
• 2 November 2026: £16,260

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 3 June 2027.

It has had 4 MOTs. The latest, on 29 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,298 miles, which matches the advertised 38,507 miles.

Advertised mileage is about 17,000 miles lower than the median mileage of a 2020 BMW 4 Series Gran Coupe on AskCar.

Similar cars

22 other 2020 BMW 4 Series Gran Coupe M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £11,495 to £19,850, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, blue. Mileage: 42,624 miles. Price: £18,990, £2,730 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-eb566f11c5dc
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, grey. Mileage: 43,593 miles. Price: £16,990, £730 more than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-7a9941df0738
• 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white. Mileage: 44,000 miles. Price: £17,499, £1,239 more than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-db1dfbac4c6c

• The nearest: 2020 BMW 4 Series Gran Coupe M Sport, 2.0 petrol hatchback, white, under a mile from this car. Mileage: 45,750 miles. Price: £15,460, £800 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2020-ec14e2f523d8