2020 BMW 4 Series 3.0 435d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)
• Year: 2020
• Mileage: 26,507 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport is advertised with 26,507 miles, approximately 16,600 below the typical mileage for its age. The dealer is asking £23,771, which is £790 below the AskCar estimate of £24,561. To work out the AskCar estimate, we analyse UK dealer adverts for 1,826 BMW 4 Series cars across different ages and specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £2,258. The government's MOT record matches its advertised mileage. You can find this car at Vindis Group Three10 Automotive in Huntingdon. 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

Fair price: £790 (3%) under the AskCar estimate of £24,561.

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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 4 Series with the 3.0 diesel engine is typically advertised at £21,900: the median of the 20 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 4 Series has been on sale for at least 56 days.

Price history

AskCar first saw this advert on 11 September 2026 at £26,029. Its asking price is now £23,771, £2,258 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 11 September 2026: £26,029
• 12 September 2026: £26,292
• 15 September 2026: £26,307
• 16 September 2026: £26,292
• 18 September 2026: £26,360
• 20 September 2026: £26,131
• 22 September 2026: £26,089
• 24 September 2026: £26,112
• 26 September 2026: £26,106
• 27 September 2026: £26,055
• 29 September 2026: £26,049
• 30 September 2026: £26,053
• 3 October 2026: £25,864
• 4 October 2026: £25,827
• 6 October 2026: £25,816
• 8 October 2026: £25,634
• 10 October 2026: £25,234
• 13 October 2026: £25,268
• 14 October 2026: £25,259
• 15 October 2026: £25,250
• 16 October 2026: £25,179
• 17 October 2026: £25,139
• 21 October 2026: £24,905
• 22 October 2026: £24,875
• 23 October 2026: £24,830
• 24 October 2026: £24,751
• 27 October 2026: £24,666
• 29 October 2026: £24,052
• 31 October 2026: £23,908
• 1 November 2026: £23,771

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 18 August 2027.

It has had 4 MOTs. The latest, on 14 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge worn both edges; offside front tyre worn close to legal limit/worn on edge worn both edges.

Mileage at that test: 26,262 miles, which matches the advertised 26,507 miles.

Advertised mileage is about 16,600 miles lower than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

8 other 2020 BMW 4 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £16,890 to £22,499, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, blue. Mileage: 22,766 miles. Price: £21,495, £2,276 less than this car. Dealer: Mark Kessell Cars in Summercourt. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-08362f87ceb2
• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 43,100 miles. Price: £22,499, £1,272 less than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-dd29089a2be0
• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, red. Mileage: 49,120 miles. Price: £18,395, £5,376 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-1f49ad30acfd

• The nearest: 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black, 31 miles from this car. Mileage: 52,000 miles. Price: £21,780, £1,991 less than this car. Dealer: MINI UK at Stratstone Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-72852cef1e21