2021 BMW 3 Series

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

£17,888

Fair price: within 8% of the typical £17,181 for this model, age and mileage, drawing on 6,849 adverts of this make and model.

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
66,924 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
White
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
318i
Emissions standard
Euro 6

About this car

With 66,924 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 12,300 more miles than a typical 2021 BMW 3 Series. Our estimated market asking price is £17,181. This car is advertised at £17,888, which is £707 above that figure. We use UK dealer asking prices, including 6,849 BMW 3 Series listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 7 days ago. You can find this car at Romiley Car Sales in Stockport.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 October 2026, 7 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observedAsking price
15 October 2026£17,888
21 October 2026£17,888

Price and mileage comparison

Estimated market asking price: £17,181. The asking price is £707 above 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 12,300 miles higher than typical for a 2021 BMW 3 Series.

179 other cars with the same year, trim, gearbox and fuel are for sale from £14,000 to £29,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,000110,887 miles
£14,00093,863 miles
£14,33588,796 miles
£14,99587,565 miles
£15,19593,000 miles

These cars have covered 3,973–110,887 miles, compared with 66,924 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos