2021 BMW 3 Series

2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)

£19,750

Fair price: within 8% of the typical £20,081 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 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
Mileage
50,783 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
146 g/km
Colour
Blue
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
320i
Emissions standard
Euro 6

About this car

With 50,783 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 3,800 fewer miles than a typical 2021 BMW 3 Series. The dealer is asking £19,750, which is £331 below our market estimate of £20,081. To estimate its market asking price, we analyse UK dealer adverts for 6,849 BMW 3 Series cars across different ages and specifications. The asking price is now £1,250 lower than when we first recorded the advert 64 days ago. Our latest MOT record expired on 29 September 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Sytner Cardiff BMW, based in Cardiff.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 19 August 2026, 64 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,250 from the first recorded £21,000. 3 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
19 August 2026£21,000
25 August 2026£20,500
18 September 2026£20,000
20 October 2026£19,750
21 October 2026£19,750

Price and mileage comparison

Estimated market asking price: £20,081. The asking price is £331 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,800 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.

MOT

MOT valid until 29 September 2026. 41,471 miles at the last test.

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 50,783 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