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

34,314 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

Grey

Doors

4

Driven wheels

Four Wheel Drive

Engine badge

320i

Emissions standard

Euro 6

About this car

This 2021 BMW 3 Series M Sport is advertised with 34,314 miles, approximately 20,400 below the typical mileage for its age. Its asking price of £21,780 is £1,199 below our estimate of £22,979. Our estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £1,640 lower than when we first recorded the advert 108 days ago. Our latest MOT record expired on 17 October 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. It is advertised by Hippo Approved in Blackburn.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £22,979. The asking price is £1,199 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 20,400 miles lower than typical for a 2021 BMW 3 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.