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

28,921 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

Blue

Doors

2

Driven wheels

Rear Wheel Drive

Engine badge

420i

Emissions standard

Euro 6

About this car

With 28,921 miles on the clock, this 2021 BMW 4 Series M Sport has done roughly 11,700 fewer miles than a typical 2021 BMW 4 Series. Our estimated market asking price is £25,995. This car is advertised at £27,199, which is £1,204 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 1,758 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale 37 days ago. Its recorded MOT is valid until 29 October 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is MINI UK at Stratstone Leeds, based in Leeds.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £25,995. The asking price is £1,204 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 1,758 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,700 miles lower than typical for a 2021 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.