2020 BMW 4 Series 2.0 420d Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: Sport
• Version: 2.0 420d Sport Auto RWD Euro 6 2dr (Business Media) (187 bhp)
• Year: 2020
• Mileage: 46,699 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,699 miles, this 2020 BMW 4 Series Sport has covered about 3,600 more miles than other 2020 BMW 4 Series cars. Its asking price of £15,446 is £1,694 below the AskCar estimate of £17,140. The AskCar estimate uses UK dealer asking prices, including 1,826 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 123 days ago. Its asking price has since fallen by £3,049. The latest recorded MOT expiry date is 23 August 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Vertu Nissan Ilkeston, based in Ilkeston. 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: £1,694 (9%) under the AskCar estimate of £17,140.

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 2.0 diesel engine is typically advertised at £19,400: the median of the 38 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 4 Series has been on sale for at least 123 days.

Price history

AskCar first saw this advert on 6 July 2026 at £18,495. Its asking price is now £15,446, £3,049 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 7 July 2026: £18,495
• 10 July 2026: £17,995
• 14 July 2026: £17,895
• 18 July 2026: £17,795
• 21 July 2026: £18,295
• 29 July 2026: £18,473
• 6 August 2026: £18,187
• 7 August 2026: £18,291
• 9 August 2026: £17,905
• 10 August 2026: £17,912
• 12 August 2026: £17,910
• 13 August 2026: £17,924
• 15 August 2026: £17,885
• 22 August 2026: £17,923
• 25 August 2026: £17,946
• 26 August 2026: £17,960
• 28 August 2026: £17,693
• 3 September 2026: £17,335
• 4 September 2026: £17,350
• 14 October 2026: £16,160
• 15 October 2026: £16,140
• 17 October 2026: £16,121
• 18 October 2026: £16,127
• 20 October 2026: £15,957
• 30 October 2026: £15,514
• 1 November 2026: £15,446

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 23 August 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 30 July 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge on the limit, bald around edges of treads. cords or ply not showing yet. ADVISE TO REPLACE ASAP 225/45/18 RUNFLAT; offside front tyre worn close to legal limit/worn on edge on the limit, bald around edges of treads. cords or ply not showing yet. ADVISE TO REPLACE ASAP 225/45/18 RUNFLAT; rear offside and nearside tyres starting to scrub around inner treads and starting to get close to wear markers; and 3 more.

Mileage at that test: 39,139 miles, which matches the advertised 46,699 miles.

Advertised mileage is about 3,600 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.