2021 BMW 3 Series 2.0 320i M Sport
Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
Price: £21,500. Above the going rate: £1,645 (8%) over the AskCar estimate of £19,855, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,718 priced BMW 3 Series adverts on AskCar as of 31 October 2026.
AskCar lists 6,973 used BMW 3 Series from 2,626 UK dealerships, as of 31 October 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)
- Mileage
- 51,848 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 146 g/km
- Colour
- Black
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 320i
- Emissions standard
- Euro 6
About this car
At 51,848 miles, this 2021 BMW 3 Series M Sport has covered about 3,100 fewer miles than other 2021 BMW 3 Series cars. The dealer is asking £21,500, which is £1,645 above the AskCar estimate of £19,855. To work out the AskCar estimate, we analyse UK dealer adverts for 6,718 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale today. MOT records show an expiry date of 8 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Leicester BMW, based in Leicester.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £21,500 |
Price and mileage comparison
Above the going rate: £1,645 (8%) over the AskCar estimate of £19,855.
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 6,718 priced BMW 3 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 3,100 miles lower 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 8 April 2027. 35,701 miles at the last test.
Other matching cars
177 other 2021 BMW 3 Series M Sport automatic petrol cars are for sale at UK dealers from £14,000 to £29,990, as of 31 October 2026.
The 5 cheapest:
- 2021 BMW 3 Series. Price: £14,000. Mileage: 110,887 miles. Dealer: Seaton Car Sales in Hartlepool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-4b8b9bf56042
- 2021 BMW 3 Series. Price: £14,000. Mileage: 93,863 miles. Dealer: Junction Autopark - Winsford in Winsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-645c5bc96690
- 2021 BMW 3 Series. Price: £14,335. Mileage: 88,796 miles. Dealer: Carbase Lympsham in Lympsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7990e9d432ea
- 2021 BMW 3 Series. Price: £14,495. Mileage: 93,000 miles. Dealer: Lodge Car Sales in Wednesbury. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-fc1b991ce243
- 2021 BMW 3 Series. Price: £14,995. Mileage: 87,565 miles. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-702837a69868
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
- Used BMW 3 Series for sale under £30,000
- Used automatic BMW 3 Series for sale
- Used petrol BMW 3 Series for sale
- Used BMW 3 Series for sale near Leicester
Photos
21 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 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.