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: 85,906 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

This 2020 BMW 3 Series M Sport is advertised with 85,906 miles, approximately 25,900 above the typical mileage for its age. Priced at £17,500, it is advertised £2,428 above the AskCar estimate of £15,072. The AskCar estimate uses 6,902 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 31 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Leicester BMW, based in Leicester. 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

Above the going rate: £2,428 (16%) over the AskCar estimate of £15,072.

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 31 days.

Price history

AskCar first saw this advert on 6 October 2026 at £17,500. 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 31 May 2027.

It failed its MOT on 27 May 2026 (nearside front tyre has ply or cords exposed) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 81,198 miles, which matches the advertised 85,906 miles.

Advertised mileage is about 25,900 miles higher 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, grey. Mileage: 89,000 miles. Price: £15,500, £2,000 less than this car. Dealer: Car Valley in Redbridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-53f86774cfa3
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 82,310 miles. Price: £15,595, £1,905 less than this car. Dealer: Switch Cars in Southall. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3e4c5fb0a73e
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 92,455 miles. Price: £15,995, £1,505 less than this car. Dealer: Lion Car Hub in Farnham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-944220b8f632

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, under a mile from this car. Mileage: 75,764 miles. Price: £18,000, £500 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0f42013c2840