2021 BMW 3 Series

2.0 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)

£22,499

Fair price: within 8% of the typical £24,278 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 320d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
Mileage
34,223 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
129 g/km
Colour
Grey
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
320d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 BMW 3 Series M Sport has covered 34,223 miles, around 20,400 fewer than typical for its age. Our estimated market asking price is £24,278. This car is advertised at £22,499, which is £1,779 below that figure. Our estimate draws on 6,849 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 29 days ago. Its asking price has since fallen by £200. The latest MOT record shows an expiry date of 1 July 2027, with the advertised mileage consistent with the recorded reading. You can find this car at cinch Corby in North Northamptonshire.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 September 2026, 29 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £200 from the first recorded £22,699. 1 price reduction recorded, the latest observed on 25 September 2026.

Recorded asking prices
Date observedAsking price
24 September 2026£22,699
25 September 2026£22,499
21 October 2026£22,499

Price and mileage comparison

Estimated market asking price: £24,278. The asking price is £1,779 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 20,400 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 July 2027. 32,679 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 34,223 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