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: 21,276 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

This 2020 BMW 3 Series M Sport is advertised with 21,276 miles, approximately 38,000 below the typical mileage for its age. Its asking price of £22,995 is £31 above the AskCar estimate of £22,964. The AskCar estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 14 days ago. Its advertised mileage matches the government's MOT record. The seller is MINI UK at Barretts Canterbury, based in Canterbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £31 (under 1%) over the AskCar estimate of £22,964.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 455 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 24 October 2026 at £22,995. 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 7 November 2026: valid until 8 September 2027.

It has had 4 MOTs. The latest, on 28 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,975 miles, which matches the advertised 21,276 miles.

Advertised mileage is about 38,000 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 20,862 miles. Price: £22,199, £796 less than this car. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-19a3f67933b2
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 21,817 miles. Price: £21,599, £1,396 less than this car. Dealer: cinch in Hook. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-cf3766f8f8ba
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 23,000 miles. Price: £21,489, £1,506 less than this car. Dealer: Emaari Automotive in Croydon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0921ff5e02b8

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 26 miles from this car. Mileage: 48,896 miles. Price: £20,070, £2,925 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