2021 BMW 3 Series
2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
£20,350
Fair price: within 8% of the typical £21,341 for this model, age and mileage, drawing on 6,724 adverts of this make and model.
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
- 40,135 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
- White
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 320i
- Emissions standard
- Euro 6
About this car
This 2021 BMW 3 Series M Sport has covered 40,135 miles, around 14,600 fewer than typical for its age. At £20,350, it is advertised £991 below our estimated market asking price of £21,341. We use UK dealer asking prices, including 6,724 BMW 3 Series listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 5 days ago. The latest MOT record shows an expiry date of 27 November 2026, with the advertised mileage consistent with the recorded reading. You can find this car at Car Planet Watford in Rickmansworth.
Stock data from 23 October 2026.
Price history
First seen on 21 October 2026, 5 days ago. Advert duration calculated on 26 October 2026.
| Date observed | Asking price |
|---|---|
| 21 October 2026 | £20,350 |
| 23 October 2026 | £20,350 |
Price and mileage comparison
Estimated market asking price: £21,341. The asking price is £991 below this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 6,724 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 14,600 miles lower than typical for a 2021 BMW 3 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 27 November 2026. 32,182 miles at the last test.
181 other cars with the same year, trim, gearbox and fuel are for sale from £14,000 to £29,990.
| Asking price | Mileage |
|---|---|
| £14,000 | 110,887 miles |
| £14,000 | 93,863 miles |
| £14,335 | 88,796 miles |
| £14,895 | 93,000 miles |
| £14,995 | 87,565 miles |
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
Vehicle photos
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