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) 5dr Touring (154 bhp)

Mileage

25,209 miles

Year

2021

Fuel type

Petrol

Body type

Estate

Engine

2.0 L

Gearbox

Automatic

Power

154 bhp

Seats

5

CO2

153 g/km

Colour

Black

Doors

5

Driven wheels

Rear Wheel Drive

Engine badge

318i

Emissions standard

Euro 6

About this car

At 25,209 miles, this 2021 BMW 3 Series M Sport has covered about 29,500 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £20,999, which is £2,249 below our market estimate of £23,248. Our estimate draws on 6,764 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 6 days ago. It is advertised by Fresh Motors in Thetford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £23,248. The asking price is £2,249 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 6,764 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 29,500 miles lower than typical for a 2021 BMW 3 Series.