2021 BMW 3 Series 2.0 320i M Sport
Price: £23,498. Fair price: £821 (3%) under the AskCar estimate of £24,319, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,906 priced BMW 3 Series adverts on AskCar as of 12 November 2026.
AskCar lists 7,172 used BMW 3 Series from 2,715 UK dealerships, as of 12 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
- Year: 2021
- Mileage: 14,653 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW 3 Series M Sport has covered 14,653 miles, around 40,000 fewer miles than is typical for its age. Its asking price of £23,498 is £821 below the AskCar estimate of £24,319. The AskCar estimate draws on 6,906 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. The seller is Arnold Clark Liverpool Renault Dacia Alpine Kia Vanstore, based in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 12 November 2026.
Arnold Clark Liverpool Renault Dacia Alpine Kia Vanstore is rated 4.3 out of 5 on Google.
Price
Fair price: £821 (3%) under the AskCar estimate of £24,319.
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 6,906 priced BMW 3 Series adverts across different ages and specifications, as of 12 November 2026.
Time on sale
AskCar first saw this 2021 BMW 3 Series advertised 1 day ago. About half of 2021 BMW 3 Series cars are gone from sale within a month of being advertised: 457 of the 981 first advertised between 12 July 2026 and 9 October 2026.
Price history
AskCar first saw this advert on 11 November 2026 at £23,498. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 40,000 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 £27,698, as of 12 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 15,556 miles. Price: £24,918, £1,420 more than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7ef032206952
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 13,692 miles. Price: £22,245, £1,253 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ca8b94871c3f
- 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 19,786 miles. Price: £24,000, £502 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f70b485ed4df
- The nearest: 2021 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 47,237 miles. Price: £20,498, £3,000 less than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4471e912266d
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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Photos
20 photos of this car are on its AskCar page.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.