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: £23,999. Fair price: £736 (3%) over the AskCar estimate of £23,263, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,652 priced BMW 3 Series adverts on AskCar as of 1 November 2026.
AskCar lists 6,914 used BMW 3 Series from 2,613 UK dealerships, as of 1 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)
- Mileage
- 23,585 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
- Blue
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 320i
- Emissions standard
- Euro 6
About this car
This 2021 BMW 3 Series M Sport is advertised with 23,585 miles, approximately 31,400 below the typical mileage for its age. Priced at £23,999, it is advertised £736 above the AskCar estimate of £23,263. The AskCar estimate uses UK dealer asking prices, including 6,652 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its MOT is recorded as valid until 21 June 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Lookers BMW Stoke-On-Trent in Stoke on Trent.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £23,999 |
Price and mileage comparison
Fair price: £736 (3%) over the AskCar estimate of £23,263.
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 6,652 priced BMW 3 Series adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 31,400 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 21 June 2027. 21,977 miles at the last test.
Other matching cars
178 other 2021 BMW 3 Series M Sport automatic petrol cars are for sale at UK dealers from £14,000 to £29,990, as of 1 November 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
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Photos
41 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 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.