2020 BMW 4 Series 3.0 430d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 430d M Sport Auto RWD Euro 6 2dr (Professional Media) (254 bhp)
• Year: 2020
• Mileage: 49,120 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 180 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport has covered 49,120 miles, around 6,000 more miles than is typical for its age. Priced at £18,395, it is advertised £855 below the AskCar estimate of £19,250. To work out the AskCar estimate, we analyse UK dealer adverts for 1,833 BMW 4 Series cars across different ages and specifications. Since we first spotted the advert 55 days ago, the asking price has dropped by £600. We checked its advertised mileage against the government's MOT record, and they match. The seller is V12 Sports & Classics Ltd -Worksop, based in Worksop. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £855 (4%) under the AskCar estimate of £19,250.

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 1,833 priced BMW 4 Series adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2020 BMW 4 Series has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 11 September 2026 at £18,995. Its asking price is now £18,395, £600 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 11 September 2026: £18,995
• 4 November 2026: £18,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 August 2027.

It has had 5 MOTs. The latest, on 26 August 2026, passed.

Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 49,093 miles, which matches the advertised 49,120 miles.

Advertised mileage is about 6,000 miles higher 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 £23,771, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 50,000 miles. Price: £21,999, £3,604 more than this car. Dealer: A & S Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e985c2a56913
• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 52,000 miles. Price: £21,780, £3,385 more 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
• 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black. Mileage: 43,100 miles. Price: £22,499, £4,104 more than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-dd29089a2be0

• The nearest: 2020 BMW 4 Series M Sport, 3.0 diesel convertible, black, 81 miles from this car. Mileage: 26,507 miles. Price: £23,771, £5,376 more than this car. Dealer: Vindis Group Three10 Automotive in St Ives. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-8181065911a2