2021 BMW 3 Series 2.0 320i M Sport
Price: £21,499. Fair price: £586 (2%) under the AskCar estimate of £22,085, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,814 priced BMW 3 Series adverts on AskCar as of 9 November 2026.
AskCar lists 7,087 used BMW 3 Series from 2,693 UK dealerships, as of 9 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320i M Sport Auto 4WD Euro 6 4dr (181 bhp)
- Year: 2021
- Mileage: 41,312 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW 3 Series M Sport has covered 41,312 miles, around 13,300 fewer miles than is typical for its age. The dealer is asking £21,499, which is £586 below the AskCar estimate of £22,085. To work out the AskCar estimate, we analyse UK dealer adverts for 6,814 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Lookers in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Fair price: £586 (2%) under the AskCar estimate of £22,085.
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 6,814 priced BMW 3 Series adverts across different ages and specifications, as of 9 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 28 October 2026 at £21,499. Its asking price has not changed.
Mileage and MOT
It has had one MOT, on 13 May 2025, and passed.
There were no advisories at the latest test.
Mileage at that test: 24,260 miles, which matches the advertised 41,312 miles.
Advertised mileage is about 13,300 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.
Similar cars
146 other 2021 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,750 to £25,975, as of 9 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 41,312 miles. Price: £21,499, the same price as this car. Dealer: Charles Hurst CUPRA Belfast in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-03553b405d24
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 41,212 miles. Price: £19,995, £1,504 less than this car. Dealer: Wilsons Motor Group in Ewell. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-a3790ffd14be
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 41,850 miles. Price: £18,700, £2,799 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f54c98a5d58d
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
More like this
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- Used BMW 3 Series for sale near Belfast
Photos
6 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.