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: 55,122 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

This 2020 BMW 3 Series M Sport has covered 55,122 miles, around 4,500 fewer miles than is typical for its age. The dealer is asking £18,998, which is £4 above the AskCar estimate of £18,994. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We have tracked this advert for 7 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Glasgow Crow Road Volkswagen, based in Glasgow. 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: £4 (under 1%) over the AskCar estimate of £18,994.

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 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £18,998. 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 26 October 2027.

It failed its MOT on 19 October 2026 (nearside front tyre has ply or cords exposed) and passed 8 days later, on 27 October 2026.

There were no advisories at the latest test.

Mileage at that test: 55,124 miles, which matches the advertised 55,122 miles.

Advertised mileage is about 4,500 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, blue. Mileage: 55,112 miles. Price: £17,995, £1,003 less than this car. Dealer: Richmond Motor Group Geely Portsmouth in Fareham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f3ae1f574de1
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 55,324 miles. Price: £18,295, £703 less than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-956072c410dd
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 55,520 miles. Price: £19,240, £242 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-f8344db37152

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 6 miles from this car. Mileage: 12,377 miles. Price: £22,498, £3,500 more than this car. Dealer: Arnold Clark Linwood Volkswagen in Linwood. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d58571a39c5b