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: 44,713 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

With 44,713 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 15,300 fewer miles than a typical 2020 BMW 3 Series. The dealer is asking £20,991, which is £845 above the AskCar estimate of £20,146. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 14 days. Its advertised mileage matches the government's MOT record. It is advertised by Your Next Car in Nottingham. 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: £845 (4%) over the AskCar estimate of £20,146.

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 14 days.

Price history

AskCar first saw this advert on 23 October 2026 at £20,991. 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 3 September 2027.

It has had 5 MOTs. The latest, on 4 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,850 miles, which matches the advertised 44,713 miles.

Advertised mileage is about 15,300 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, black. Mileage: 44,989 miles. Price: £20,995, the same price as this car. Dealer: Berry Thames Ditton BMW in Thames Ditton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-a73769429e9e
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 45,191 miles. Price: £21,695, £704 more than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f5dde79a86f3
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 44,225 miles. Price: £19,790, £1,201 less than this car. Dealer: Wheatley Car Centre in Wheatley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3604a5a7b3cf

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white, 11 miles from this car. Mileage: 46,691 miles. Price: £20,510, £481 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f6ffaa36f31d