2020 BMW 3 Series 2.0 320d M Sport
Price: £23,977. Fair price: £459 (1%) over the AskCar estimate of £23,518, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,862 priced BMW 3 Series adverts on AskCar as of 4 November 2026.
AskCar lists 7,147 used BMW 3 Series from 2,707 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320d M Sport Auto RWD Euro 6 4dr (187 bhp)
- Year: 2020
- Mileage: 29,847 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 3 Series M Sport has covered 29,847 miles, around 29,900 fewer miles than is typical for its age. The AskCar estimate for this car is £23,518. It is priced at £23,977, which is £459 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 7 days ago. It is advertised by Select Motor Trading in Warrington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £459 (1%) over the AskCar estimate of £23,518.
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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.
A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2020 BMW 3 Series has been on sale for at least 7 days.
Price history
AskCar first saw this advert on 28 October 2026 at £23,977. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 29,900 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
65 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £9,990 to £23,660, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 30,000 miles. Price: £22,999, £978 less than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b615f0211adf
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 35,465 miles. Price: £21,991, £1,986 less than this car. Dealer: Your Next Car in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1573c20f77f7
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 35,828 miles. Price: £23,000, £977 less than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e19d8dd8f67a
- The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, under a mile from this car. Mileage: 100,000 miles. Price: £15,999, £7,978 less than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93d3ced41f45
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
More like this
- Used BMW 3 Series M Sport prices
- Used BMW 3 Series for sale under £30,000
- Used automatic BMW 3 Series for sale
- Used diesel BMW 3 Series for sale
- Used BMW 3 Series for sale near Warrington
Photos
55 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.