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: 73,330 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 73,330 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 13,300 more miles than a typical 2020 BMW 3 Series. Its asking price of £17,498 is £894 above the AskCar estimate of £16,604. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 21 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Preston Motorstore / BYD, based in Preston. 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: £894 (5%) over the AskCar estimate of £16,604.

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 21 days.

Price history

AskCar first saw this advert on 16 October 2026 at £17,498. 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 7 October 2027.

It failed its MOT on 5 October 2026 (nearside rear other passenger door cannot be opened from outside the vehicle) and passed 3 days later, on 8 October 2026.

There were no advisories at the latest test.

Mileage at that test: 73,336 miles, which matches the advertised 73,330 miles.

Advertised mileage is about 13,300 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, blue. Mileage: 72,284 miles. Price: £17,780, £282 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4fc0dd96e49d
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 72,000 miles. Price: £19,995, £2,497 more than this car. Dealer: Carderi Motors in Wembley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2814d14cd6cd
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 75,764 miles. Price: £18,000, £502 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0f42013c2840

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 11 miles from this car. Mileage: 46,293 miles. Price: £21,840, £4,342 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dae5ee847183