2021 BMW 3 Series

Overview

Make

BMW

Model

3 Series

Trim

M SPORT

Version

2.0 318i M Sport Auto RWD Euro 6 (s/s) 4dr (154 bhp)

Mileage

40,300 miles

Year

2021

Fuel type

Petrol

Body type

Saloon

Engine

2.0 L

Gearbox

Automatic

Power

154 bhp

Seats

5

CO2

146 g/km

Colour

Black

Doors

4

Driven wheels

Rear Wheel Drive

Engine badge

318i

Emissions standard

Euro 6

About this car

This 2021 BMW 3 Series M Sport is advertised with 40,300 miles, approximately 14,400 below the typical mileage for its age. Its asking price of £19,495 is £957 below our estimate of £20,452. The estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 34 days. The latest MOT record shows an expiry date of 22 June 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Motor Range Liverpool in Bootle.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £20,452. The asking price is £957 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 14,400 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.