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: 25,765 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 25,765 miles, this 2020 BMW 3 Series M Sport has covered about 33,900 fewer miles than other 2020 BMW 3 Series cars. The AskCar estimate for this car is £22,548. It is priced at £18,996, which is £3,552 below that estimate. The AskCar estimate draws on 6,862 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 85 days ago. The government's MOT record matches its advertised mileage. It is advertised by Marriott Motor Group Premium Used Cars Bury St Edmunds in Bury St. Edmunds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £3,552 (15%) under the AskCar estimate of £22,548.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 85 days.

Price history

AskCar first saw this advert on 11 August 2026 at £21,501. Its asking price is now £18,996, £2,505 less.

Price changes recorded:

• 12 August 2026: £21,501
• 21 August 2026: £21,768
• 25 August 2026: £21,533
• 4 September 2026: £21,357
• 8 September 2026: £21,107
• 10 September 2026: £21,314
• 18 September 2026: £21,260
• 22 September 2026: £21,160
• 25 September 2026: £21,110
• 7 October 2026: £20,456
• 16 October 2026: £19,997
• 20 October 2026: £19,296
• 21 October 2026: £18,996

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 May 2027.

It has had 4 MOTs. The latest, on 5 May 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 23,535 miles, which matches the advertised 25,765 miles.

Advertised mileage is about 33,900 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

101 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 27,309 miles. Price: £23,300, £4,304 more than this car. Dealer: John Clark BMW Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-90a55498919d
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 24,199 miles. Price: £22,900, £3,904 more than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c53dce1ec6e8
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 24,122 miles. Price: £21,438, £2,442 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4a6dfee7ec8d

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 1 miles from this car. Mileage: 23,271 miles. Price: £25,995, £6,999 more than this car. Dealer: EMG Motor Group BYD Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1ded5127e08e