2021 BMW 3 Series

2.0 M Sport Auto

£20,990

Fair price: within 8% of the typical £22,494 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 M Sport Auto
Mileage
39,000 miles
Year
2021
Fuel type
Petrol Hybrid
Engine
2.0 L
Gearbox
Automatic
CO2
146 g/km
Colour
Blue
Engine badge
M SPORT

About this car

At 39,000 miles, this 2021 BMW 3 Series M Sport has covered about 15,600 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £20,990, which is £1,504 below our market estimate of £22,494. To estimate its market asking price, we analyse UK dealer adverts for 6,849 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 147 days ago. Its asking price has since fallen by £1,000. The latest recorded MOT expiry date is 29 September 2026, which has passed. Confirm its status with the dealer. The latest recorded MOT mileage is consistent with the advertised figure. You can find this car at Dorset Sports Cars in Wimborne.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 147 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,000 from the first recorded £21,990. 1 price reduction recorded, the latest observed on 13 August 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£21,990
10 July 2026£21,990
13 August 2026£20,990
21 October 2026£20,990

Price and mileage comparison

Estimated market asking price: £22,494. The asking price is £1,504 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 15,600 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. 39,096 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £15,250 to £23,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,25087,000 miles
£15,29093,250 miles
£17,69062,346 miles
£17,99974,400 miles
£21,24573,775 miles

These cars have covered 18,624–93,250 miles, compared with 39,000 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