2021 BMW 3 Series

2.0 MHT M Sport Auto Euro 6 4dr

£20,989

Good value: £2,302 under the typical £23,291 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 MHT M Sport Auto Euro 6 4dr
Mileage
40,316 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Seats
5
CO2
128 g/km
Colour
White
Doors
4
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 BMW 3 Series M Sport is advertised with 40,316 miles, approximately 14,300 below the typical mileage for its age. At £20,989, it is advertised £2,302 below our estimated market asking price of £23,291. Our estimate draws on 6,849 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £1,500 lower than when we first recorded the advert 148 days ago. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 27 April 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Essex Prestige in Harlow.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 148 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,500 from the first recorded £22,489. 3 price reductions recorded, the latest observed on 15 September 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£22,489
4 July 2026£21,989
7 July 2026£21,989
25 August 2026£21,489
15 September 2026£20,989
21 October 2026£20,989

Price and mileage comparison

Estimated market asking price: £23,291. The asking price is £2,302 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 14,300 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 April 2027. 40,499 miles at the last test.

93 other cars with the same year, trim, gearbox and fuel are for sale from £13,735 to £30,090.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,735131,041 miles
£13,999102,000 miles
£14,495131,000 miles
£15,49595,320 miles
£15,995111,015 miles

These cars have covered 15,500–131,041 miles, compared with 40,316 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