2020 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (181 bhp)
• Year: 2020
• Mileage: 56,616 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 56,616 miles, approximately 3,000 below the typical mileage for its age. The AskCar estimate for this car is £20,260. It is priced at £21,450, which is £1,190 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 47 days ago. Its asking price has since fallen by £540. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Ocean Plymouth, based in Plymouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,190 (5%) over the AskCar estimate of £20,260.

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 petrol engine is typically advertised at £18,500: the median of the 461 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 19 September 2026 at £21,990. Its asking price is now £21,450, £540 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 19 September 2026: £21,990
• 29 October 2026: £21,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 January 2027.

It has had 5 MOTs. The latest, on 13 January 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge (on limit).

Mileage at that test: 49,012 miles, which matches the advertised 56,616 miles.

Advertised mileage is about 3,000 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

20 other 2020 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £17,926 to £27,980, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol estate, black. Mileage: 58,419 miles. Price: £19,188, £2,262 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7bf7ef2f4f75
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 53,360 miles. Price: £21,000, £450 less than this car. Dealer: Sytner Wolverhampton BMW in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-54ebaab4ec53
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, white. Mileage: 52,500 miles. Price: £21,949, £499 more than this car. Dealer: Paragon Cars London in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7a18a9e1bd0e

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue, 83 miles from this car. Mileage: 36,500 miles. Price: £22,714, £1,264 more than this car. Dealer: Carbase Weston-super-Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dce5d26c18cb