2021 BMW 4 Series

Overview

Make

BMW

Model

4 Series

Trim

M SPORT

Version

2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)

Mileage

58,093 miles

Year

2021

Fuel type

Petrol

Body type

Convertible

Engine

2.0 L

Gearbox

Automatic

Power

181 bhp

Seats

4

CO2

160 g/km

Colour

White

Doors

2

Driven wheels

Rear Wheel Drive

Engine badge

420i

Emissions standard

Euro 6

About this car

This 2021 BMW 4 Series M Sport has covered 58,093 miles, around 16,100 more than typical for its age. Its asking price of £21,369 is £721 below our estimate of £22,090. The estimate uses 1,763 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 53 days ago. Its asking price has since fallen by £3,170. Our records show an MOT expiry date of 15 October 2026, which has passed. Ask the dealer for an update. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Carbase Bristol, based in Bristol.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £22,090. The asking price is £721 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 1,763 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,100 miles higher than typical for a 2021 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.