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: 36,787 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 36,787 miles, this 2020 BMW 3 Series M Sport has covered about 22,800 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £21,188. It is priced at £19,998, which is £1,190 below 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. It first appeared in our advert records 16 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is CarSupermarket.com Birmingham, based in Birmingham. 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%) under the AskCar estimate of £21,188.

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 16 days.

Price history

AskCar first saw this advert on 20 October 2026 at £19,998. 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 5 November 2026: valid until 16 October 2027.

It has had 7 MOTs. The latest, on 17 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,789 miles, which matches the advertised 36,787 miles.

Advertised mileage is about 22,800 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 37,072 miles. Price: £21,250, £1,252 more than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b1dac46dec34
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 37,165 miles. Price: £20,199, £201 more than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fc325c86d597
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 36,257 miles. Price: £20,999, £1,001 more than this car. Dealer: Hpl Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-767b23b2c8fc

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 16 miles from this car. Mileage: 36,000 miles. Price: £24,995, £4,997 more than this car. Dealer: Alpine Performance Cars in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-02c43223d72f