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: 40,000 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

At 40,000 miles, this 2020 BMW 3 Series M Sport has covered about 19,600 fewer miles than other 2020 BMW 3 Series cars. Its asking price of £22,750 is £1,964 above the AskCar estimate of £20,786. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. The asking price is now £250 lower than when we first recorded the advert 75 days ago. Our latest MOT record expired on 26 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Mi Prestige in Chingford. 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

Above the going rate: £1,964 (9%) over the AskCar estimate of £20,786.

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 75 days.

Price history

AskCar first saw this advert on 22 August 2026 at £23,000. Its asking price is now £22,750, £250 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 22 August 2026: £23,000
• 14 October 2026: £22,890
• 23 October 2026: £22,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 26 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 27 October 2025, passed.

Advisories at the latest test: front inner tyre worn close to legal limit/worn on edge both sides; offside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 30,744 miles, which matches the advertised 40,000 miles.

Advertised mileage is about 19,600 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: 40,000 miles. Price: £21,950, £800 less than this car. Dealer: Rev It Up UK in Denbigh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-059942777ddd
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 39,892 miles. Price: £20,999, £1,751 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-93a2adb8c4f0
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 39,852 miles. Price: £20,934, £1,816 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-95343d604176

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 2 miles from this car. Mileage: 32,675 miles. Price: £22,099, £651 less than this car. Dealer: Motorpoint Chingford in Chingford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4a768f5f0a5f