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

22,631 miles

Year

2021

Fuel type

Petrol

Body type

Coupe

Engine

2.0 L

Gearbox

Automatic

Power

181 bhp

Seats

4

CO2

151 g/km

Colour

Blue

Doors

2

Driven wheels

Rear Wheel Drive

Engine badge

420i

Emissions standard

Euro 6

About this car

At 22,631 miles, this 2021 BMW 4 Series M Sport has covered about 19,400 fewer miles than other 2021 BMW 4 Series cars. The dealer is asking £22,800, which is £3,842 below our market estimate of £26,642. To estimate its market asking price, we analyse UK dealer adverts for 1,725 BMW 4 Series cars across different ages and specifications. The asking price is now £2,950 lower than when we first recorded the advert 128 days ago. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 27 August 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Car Planet Barnet in New Southgate.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £26,642. The asking price is £3,842 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 19,400 miles lower than typical for a 2021 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.