2020 BMW 4 Series

3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)

£20,489

Fair price: within 8% of the typical £20,960 for this model, age and mileage, drawing on 1,725 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
M SPORT
Version
3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)
Mileage
58,975 miles
Year
2020
Fuel type
Diesel
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
309 bhp
Seats
4
CO2
169 g/km
Colour
White
Doors
2
Driven wheels
Four Wheel Drive
Engine badge
435d
Emissions standard
Euro 6

About this car

At 58,975 miles, this 2020 BMW 4 Series M Sport has covered about 15,000 more miles than other 2020 BMW 4 Series cars. The dealer is asking £20,489, which is £471 below our market estimate of £20,960. We use UK dealer asking prices, including 1,725 BMW 4 Series listings, and account for the car’s age, mileage and specification. The asking price is now £2,500 lower than when we first recorded the advert 94 days ago. It may give you a starting point for a conversation about price. The latest MOT record shows an expiry date of 16 April 2027, with the advertised mileage consistent with the recorded reading. It is for sale at The Hertford Car Company in Bayford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 July 2026, 94 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £2,500 from the first recorded £22,989. 5 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
22 July 2026£22,989
23 July 2026£22,989
5 September 2026£22,489
17 September 2026£21,989
6 October 2026£21,489
8 October 2026£20,989
20 October 2026£20,489
23 October 2026£20,489

Price and mileage comparison

Estimated market asking price: £20,960. The asking price is £471 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,725 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 15,000 miles higher than typical for a 2020 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 April 2027. 57,758 miles at the last test.

24 other cars with the same year, trim, gearbox and fuel are for sale from £14,299 to £24,830.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,29986,465 miles
£14,50052,196 miles
£16,95058,367 miles
£17,19947,070 miles
£17,29068,400 miles

These cars have covered 22,766–86,465 miles, compared with 58,975 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 4 Series cars for sale · 2020 BMW 4 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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