2020 BMW 3 Series 2.0 320d SE
Price: £17,995. Fair price: £837 (4%) under the AskCar estimate of £18,832, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.
AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: SE
- Version: 2.0 320d SE Auto RWD Euro 6 (s/s) 4dr (187 bhp)
- Year: 2020
- Mileage: 30,000 miles
- Fuel: Diesel
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 110 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 3 Series is advertised with 30,000 miles, approximately 29,000 below the typical mileage for its age. The dealer is asking £17,995, which is £837 below the AskCar estimate of £18,832. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £1,000. The latest recorded MOT expiry date is 23 October 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. It is for sale at Bespoke Motor Works in Stockton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £837 (4%) under the AskCar estimate of £18,832.
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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.
A 2020 BMW 3 Series with the 2.0 diesel engine is typically advertised at £18,500: the median of the 448 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 BMW 3 Series has been on sale for at least 46 days.
Price history
AskCar first saw this advert on 17 September 2026 at £18,995. Its asking price is now £17,995, £1,000 less. The latest price cut was seen on 25 October 2026.
Price changes recorded:
- 17 September 2026: £18,995
- 25 September 2026: £18,895
- 27 September 2026: £18,750
- 29 September 2026: £18,650
- 30 September 2026: £18,495
- 7 October 2026: £18,395
- 8 October 2026: £18,295
- 14 October 2026: £18,250
- 15 October 2026: £18,195
- 17 October 2026: £18,000
- 25 October 2026: £17,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 23 October 2026; ask the dealer for the current MOT.
It has had 4 MOTs. The latest, on 20 October 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 27,171 miles, which matches the advertised 30,000 miles.
Advertised mileage is about 29,000 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
12 other 2020 BMW 3 Series SE 2.0 diesel automatic saloons are for sale at UK dealers, from £10,995 to £17,450, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series SE, 2.0 diesel saloon, silver. Mileage: 26,301 miles. Price: £17,450, £545 less than this car. Dealer: Invicta Horsham in Horsham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c378d070aacc
- 2020 BMW 3 Series SE, 2.0 diesel saloon, black. Mileage: 41,713 miles. Price: £16,898, £1,097 less than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Perth in Perth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ae97446b0c87
- 2020 BMW 3 Series SE, 2.0 diesel saloon, black. Mileage: 45,000 miles. Price: £16,990, £1,005 less than this car. Dealer: Beech Motor Company in Congleton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6af695452195
- The nearest: 2020 BMW 3 Series SE, 2.0 diesel saloon, black, 98 miles from this car. Mileage: 106,528 miles. Price: £10,995, £7,000 less than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e64ea8d02db2
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
More like this
- Used BMW 3 Series SE prices
- Used BMW 3 Series for sale under £20,000
- Used automatic BMW 3 Series for sale
- Used diesel BMW 3 Series for sale
- Used BMW 3 Series for sale near Middlesbrough
Photos
28 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.