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: 58,850 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 58,850 miles on the clock. The dealer is asking £18,500, which is £24 below the AskCar estimate of £18,524. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data 32 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Trust Ford Coleraine, based in Coleraine. 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: £24 (under 1%) under the AskCar estimate of £18,524.

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 32 days.

Price history

AskCar first saw this advert on 5 October 2026 at £18,500. Its asking price has not changed.

Mileage and MOT

It has had 2 MOTs. The latest, on 22 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,139 miles, which matches the advertised 58,850 miles.

Advertised mileage is about 1,100 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, white. Mileage: 58,660 miles. Price: £18,299, £201 less than this car. Dealer: Bridgend Motor Group in Morley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-524dfb680ec9
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 58,328 miles. Price: £18,895, £395 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fba88ffa77bc
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 58,000 miles. Price: £18,600, £100 more than this car. Dealer: Alistair Buchan in East Wemyss. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e4c08020440b

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white, 85 miles from this car. Mileage: 28,773 miles. Price: £21,498, £2,998 more than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7b0f4cf25f67