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

30,513 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

At 30,513 miles, this 2021 BMW 4 Series M Sport has covered about 11,500 fewer miles than other 2021 BMW 4 Series cars. Its asking price of £24,995 is £715 below our estimate of £25,710. We use UK dealer asking prices, including 1,749 BMW 4 Series listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 8 days ago. Its recorded MOT is valid until 20 November 2026. The seller is Nick Bonar Cars, based in Newtownabbey.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £25,710. The asking price is £715 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 1,749 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,500 miles lower than typical for a 2021 BMW 4 Series.