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: 32,048 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 32,048 miles, approximately 27,500 below the typical mileage for its age. Its asking price of £21,998 is £203 above the AskCar estimate of £21,795. The AskCar estimate uses 6,897 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 20 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by CarSupermarket.com Scunthorpe in North Lincolnshire. 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: £203 (under 1%) over the AskCar estimate of £21,795.

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 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £21,998. 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 13 October 2027.

It has had 4 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,405 miles, which matches the advertised 32,048 miles.

Advertised mileage is about 27,500 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, black. Mileage: 32,278 miles. Price: £20,990, £1,008 less than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-539a8aa91bdf
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 32,415 miles. Price: £22,499, £501 more than this car. Dealer: Rushmores in Catford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-aa626e400359
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 32,675 miles. Price: £22,099, £101 more than this car. Dealer: Motorpoint Chingford in Chingford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4a768f5f0a5f

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 28 miles from this car. Mileage: 67,630 miles. Price: £18,295, £3,703 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-68e65e2928e8