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: 38,342 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 38,342 miles, this 2020 BMW 3 Series M Sport has covered about 21,300 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £20,992. It is priced at £21,250, which is £258 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,897 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 6 days ago. The government's MOT record matches its advertised mileage. It is advertised by M B Cars London in St. Albans. 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: £258 (1%) over the AskCar estimate of £20,992.

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

AskCar first saw this 2020 BMW 3 Series advertised 6 days ago. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 334 of the 699 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £21,250. 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 3 March 2027.

It failed its MOT on 2 March 2026 (nearside rear brake pad(s) less than 1.5 mm thick; offside rear brake pad(s) less than 1.5 mm thick) and passed 2 days later, on 4 March 2026.

There were no advisories at the latest test.

Mileage at that test: 37,345 miles, which matches the advertised 38,342 miles.

Advertised mileage is about 21,300 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 38,450 miles. Price: £21,495, £245 more than this car. Dealer: Izzy Motors in Enfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b0b745cae0da
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 37,720 miles. Price: £21,599, £349 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d324ff2c1534
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 39,123 miles. Price: £21,499, £249 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-726752c54ee8

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 4 miles from this car. Mileage: 70,000 miles. Price: £18,995, £2,255 less than this car. Dealer: Harentor Cars in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d9f0413a3298