2020 BMW 3 Series 2.0 320i M Sport
Price: £17,140. Good value: £1,707 (9%) under the AskCar estimate of £18,847, 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 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
- Year: 2020
- Mileage: 56,608 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: White
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 56,608 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 3,100 fewer miles than a typical 2020 BMW 3 Series. Priced at £17,140, it is advertised £1,707 below the AskCar estimate of £18,847. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 29 days ago. Its asking price has since fallen by £910. The recorded MOT expired on 12 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Hilton Garage, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Good value: £1,707 (9%) under the AskCar estimate of £18,847.
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 petrol 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 29 days.
Price history
AskCar first saw this advert on 6 October 2026 at £18,050. Its asking price is now £17,140, £910 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 6 October 2026: £18,050
- 9 October 2026: £17,000
- 30 October 2026: £18,150
- 2 November 2026: £17,140
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 12 October 2026; ask the dealer for the current MOT.
It failed its MOT on 1 October 2025 (nearside front tyre tread depth below requirements of 1.6mm) and passed 12 days later, on 13 October 2025.
There were no advisories at the latest test.
Mileage at that test: 51,805 miles, which matches the advertised 56,608 miles.
Advertised mileage is about 3,100 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
101 other 2020 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £12,999 to £25,995, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 55,881 miles. Price: £17,260, £120 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0ae399ecce31
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 55,520 miles. Price: £19,240, £2,100 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f8344db37152
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 57,700 miles. Price: £17,650, £510 more than this car. Dealer: Select Car Superstore in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3a68ff2fcd9c
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
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Photos
40 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.