2020 BMW 3 Series 2.0 320d M Sport
Price: £18,900. Fair price: £688 (3%) over the AskCar estimate of £18,212, 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: 69,863 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 113 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 69,863 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 10,200 more miles than a typical 2020 BMW 3 Series. Its asking price of £18,900 is £688 above the AskCar estimate of £18,212. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 61 days ago, the asking price has dropped by £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Redgate Lodge, based in Newcastle Upon Tyne. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £688 (3%) over the AskCar estimate of £18,212.
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 61 days.
Price history
AskCar first saw this advert on 4 September 2026 at £19,800. Its asking price is now £18,900, £900 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 4 September 2026: £19,800
- 24 September 2026: £19,500
- 16 October 2026: £19,200
- 24 October 2026: £19,000
- 31 October 2026: £18,900
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 February 2027.
It has had 4 MOTs. The latest, on 20 February 2026, passed.
Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 67,271 miles, which matches the advertised 69,863 miles.
Advertised mileage is about 10,200 miles higher 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 £23,977, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 69,836 miles. Price: £18,998, £98 more than this car. Dealer: Arnold Clark Perth Vauxhall / Fiat / Abarth / Jeep / Alfa Romeo / Leapmotor / Vanstore in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5bad17350f6a
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 69,000 miles. Price: £16,995, £1,905 less than this car. Dealer: M M K Motor Company in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-bed4738765d6
- 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 68,000 miles. Price: £15,495, £3,405 less than this car. Dealer: Knightsbridge Cars NI in Lisburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3b6743d0cce8
- The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, blue, under a mile from this car. Mileage: 71,836 miles. Price: £20,800, £1,900 more than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b2ebcb6de629
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
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Photos
100 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.