2021 BMW 3 Series 2.0 320d MHT M Sport

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

Price: £17,798. Fair price: £85 (under 1%) over the AskCar estimate of £17,713, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,692 priced BMW 3 Series adverts on AskCar as of 29 October 2026.

AskCar lists 7,078 used BMW 3 Series from 2,699 UK dealerships, as of 29 October 2026.

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
81,496 miles
Year
2021
Fuel type
Diesel
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 81,496 miles, around 26,800 more miles than is typical for its age. Its asking price of £17,798 is £85 above the AskCar estimate of £17,713. The AskCar estimate draws on 6,692 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its MOT is recorded as valid until 29 May 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Arnold Clark Stoke-on-Trent Vauxhall / Peugeot / Vanstore in Stoke on Trent.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£17,798

Price and mileage comparison

Fair price: £85 (under 1%) over the AskCar estimate of £17,713.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,692 priced BMW 3 Series adverts across different ages and specifications, as of 29 October 2026.

Advertised mileage is about 26,800 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 29 May 2027. 76,561 miles at the last test.

Other matching cars

108 other 2021 BMW 3 Series M Sport automatic diesel cars are for sale at UK dealers from £13,500 to £28,995, as of 29 October 2026.

The 5 cheapest:

The 108 matching cars have covered 20,757 to 131,041 miles, compared with 81,496 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

More like this

Photos

20 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.