2021 BMW 4 Series

2.0 420d MHT M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)

£19,775

Fair price: within 8% of the typical £18,496 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
2.0 420d MHT M Sport Auto 4WD Euro 6 (s/s) 2dr (187 bhp)
Mileage
85,144 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
4
CO2
135 g/km
Colour
Black
Doors
2
Driven wheels
Four Wheel Drive
Engine badge
420d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 85,144 miles on the clock, this 2021 BMW 4 Series M Sport has done roughly 43,100 more miles than a typical 2021 BMW 4 Series. The dealer is asking £19,775, which is £1,279 above our market estimate of £18,496. We use UK dealer asking prices, including 1,725 BMW 4 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 47 days ago, the asking price has dropped by £500. The latest MOT record shows an expiry date of 21 September 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Riverside Motor Company (2009) in Chesterfield.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 September 2026, 47 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £500 from the first recorded £20,275. 2 price reductions recorded, the latest observed on 1 October 2026.

Recorded asking prices
Date observedAsking price
9 September 2026£20,275
16 September 2026£19,975
1 October 2026£19,775
23 October 2026£19,775

Price and mileage comparison

Estimated market asking price: £18,496. The asking price is £1,279 above 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 43,100 miles higher than typical for a 2021 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 September 2027. 85,144 miles at the last test.

49 other cars with the same year, trim, gearbox and fuel are for sale from £16,995 to £29,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,995101,850 miles
£17,90097,000 miles
£18,90093,379 miles
£18,99095,385 miles
£18,99549,500 miles

These cars have covered 16,500–101,850 miles, compared with 85,144 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 · 2021 BMW 4 Series price guide

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Vehicle photos

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