2020 BMW 3 Series 2.0 320d M Sport
Price: £22,999. Fair price: £461 (2%) over the AskCar estimate of £22,538, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,897 priced BMW 3 Series adverts on AskCar as of 5 November 2026.
AskCar lists 7,194 used BMW 3 Series from 2,714 UK dealerships, as of 5 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 5dr Touring (187 bhp)
- Year: 2020
- Mileage: 46,134 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: White
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 46,134 miles, this 2020 BMW 3 Series M Sport has covered about 13,500 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £22,538. It is priced at £22,999, which is £461 above that estimate. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. You can find this car at Fresh Motors in Thetford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £461 (2%) over the AskCar estimate of £22,538.
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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 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 5 November 2026.
Time on sale
AskCar first saw this 2020 BMW 3 Series advertised today. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 334 of the 699 first advertised between 7 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £22,999. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 13,500 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
37 other 2020 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £11,800 to £24,999, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 46,000 miles. Price: £22,695, £304 less than this car. Dealer: Matt Johnson Prestige in Barrow-in-Furness. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-00b82a53b46d
- 2020 BMW 3 Series M Sport, 2.0 diesel estate, blue. Mileage: 45,526 miles. Price: £21,790, £1,209 less than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6222d2ae70a3
- 2020 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 47,350 miles. Price: £22,495, £504 less than this car. Dealer: Bourne Valley Autos in Andover. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-848449c42792
- The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel estate, white, under a mile from this car. Mileage: 32,311 miles. Price: £23,999, £1,000 more than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4fa724a242d4
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
More like this
- Used BMW 3 Series M Sport prices
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- Used BMW 3 Series for sale near Dereham
Photos
23 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.