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: 32,278 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 32,278 miles, approximately 27,300 below the typical mileage for its age. The AskCar estimate for this car is £21,765. It is priced at £20,990, which is £775 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first recorded this advert 125 days ago, and its asking price has since fallen by £2,000. The recorded MOT expired on 28 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Stratstone BMW Maidstone in Aylesford. 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: £775 (3%) under the AskCar estimate of £21,765.

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 125 days.

Price history

AskCar first saw this advert on 3 July 2026 at £22,990. Its asking price is now £20,990, £2,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 4 July 2026: £22,990
• 22 July 2026: £22,750
• 26 July 2026: £21,790
• 4 August 2026: £21,690
• 15 August 2026: £21,490
• 2 October 2026: £21,990
• 15 October 2026: £21,690
• 24 October 2026: £21,490
• 5 November 2026: £20,990

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 28 October 2026; ask the dealer for the current MOT.

It failed its MOT on 16 October 2025 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords 255/40 r18 99y) and passed 1 day later, on 17 October 2025.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge worn outer edge and perishing 225/45 r18 95y; offside front tyre worn close to legal limit/worn on edge worn outer edge and perishing.

Mileage at that test: 26,309 miles, which matches the advertised 32,278 miles.

Advertised mileage is about 27,300 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, black. Mileage: 32,415 miles. Price: £22,499, £1,509 more than this car. Dealer: Rushmores in Catford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-aa626e400359
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 32,048 miles. Price: £21,998, £1,008 more than this car. Dealer: CarSupermarket.com Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-391494bcdeab
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 32,675 miles. Price: £22,099, £1,109 more than this car. Dealer: Motorpoint Chingford in Chingford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-4a768f5f0a5f

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 4 miles from this car. Mileage: 48,896 miles. Price: £20,070, £920 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-2b447aeecf9d