2020 BMW 3 Series 2.0 320i M Sport
Price: £21,400. Fair price: £586 (2%) under the AskCar estimate of £21,986, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.
AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 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: 30,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Orange
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 3 Series M Sport has covered 30,000 miles. The AskCar estimate for this car is £21,986. It is priced at £21,400, which is £586 below that estimate. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 9 days ago, the asking price has dropped by £500. The latest MOT recorded 30,945 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 23 October 2027. It is advertised by Carderi Motors in Wembley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £586 (2%) under the AskCar estimate of £21,986.
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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.
A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 BMW 3 Series has been on sale for at least 9 days.
Price history
AskCar first saw this advert on 28 October 2026 at £21,900. Its asking price is now £21,400, £500 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 28 October 2026: £21,900
- 31 October 2026: £21,400
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 October 2027.
It has had 5 MOTs. The latest, on 24 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 30,945 miles. The advert says 30,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 30,000 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.
Similar cars
98 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 6 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 28,773 miles. Price: £21,498, £98 more than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7b0f4cf25f67
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 28,364 miles. Price: £21,888, £488 more than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fe14464cb548
- 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 28,200 miles. Price: £22,950, £1,550 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-75f9efcb1f23
- The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white, under a mile from this car. Mileage: 72,000 miles. Price: £19,995, £1,405 less than this car. Dealer: Carderi Motors in Wembley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2814d14cd6cd
Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide
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Photos
15 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.