2021 BMW 3 Series

Overview

Make

BMW

Model

3 Series

Trim

M SPORT

Version

2.0 320i M Sport Auto 4WD Euro 6 4dr (181 bhp)

Mileage

43,574 miles

Year

2021

Fuel type

Petrol

Body type

Saloon

Engine

2.0 L

Gearbox

Automatic

Power

181 bhp

Seats

5

CO2

154 g/km

Colour

Blue

Doors

4

Driven wheels

Four Wheel Drive

Engine badge

320i

Emissions standard

Euro 6

About this car

This 2021 BMW 3 Series M Sport has covered 43,574 miles, around 11,100 fewer than typical for its age. At £19,200, it is advertised £2,547 below our estimated market asking price of £21,747. Our estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 112 days ago. Its asking price has since fallen by £2,950. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 30 March 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Car Planet Barnet in New Southgate.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £21,747. The asking price is £2,547 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 6,886 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,100 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.