2021 BMW 3 Series 2.0 M Sport

Price: £20,995. Above the going rate: £3,225 (18%) over the AskCar estimate of £17,770, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,822 priced BMW 3 Series adverts on AskCar as of 8 November 2026.

AskCar lists 7,130 used BMW 3 Series from 2,708 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 M Sport Auto Euro 6 5dr (288 bhp)
  • Year: 2021
  • Mileage: 99,099 miles
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 288 bhp
  • Gearbox: Automatic
  • Colour: Black
  • CO2: 32 g/km
  • Emissions standard: Euro 6

About this car

This 2021 BMW 3 Series M Sport is advertised with 99,099 miles, approximately 44,300 above the typical mileage for its age. The dealer is asking £20,995, which is £3,225 above the AskCar estimate of £17,770. To work out the AskCar estimate, we analyse UK dealer adverts for 6,822 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 18 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at MDM Motor in Newry, Mourne and Down. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,225 (18%) over the AskCar estimate of £17,770.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £20,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 9 August 2027.

It has had 2 MOTs. The latest, on 10 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 99,324 miles, which matches the advertised 99,099 miles.

Advertised mileage is about 44,300 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

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

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Photos

16 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.