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) 4dr (181 bhp)
• Year: 2020
• Mileage: 50,250 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 50,250 miles, this 2020 BMW 3 Series M Sport has covered about 9,700 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £19,494. It is priced at £18,699, which is £795 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 5 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £795 (4%) under the AskCar estimate of £19,494.

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

AskCar first saw this 2020 BMW 3 Series advertised 5 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 342 of the 714 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £18,699. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 October 2027.

It has had 7 MOTs. The latest, on 25 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,248 miles, which matches the advertised 50,250 miles.

Advertised mileage is about 9,700 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, blue. Mileage: 50,003 miles. Price: £18,690, the same price as this car. Dealer: Avanti Motors in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-615510790cbe
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 50,750 miles. Price: £20,990, £2,291 more than this car. Dealer: BSB Automotive in Dartford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-102a465df5cb
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 48,896 miles. Price: £20,070, £1,371 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2b447aeecf9d

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, under a mile from this car. Mileage: 61,537 miles. Price: £18,199, £500 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-ef8d3d80fc2f