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: 70,330 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

With 70,330 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 10,300 more miles than a typical 2020 BMW 3 Series. Priced at £17,099, it is advertised £107 above the AskCar estimate of £16,992. The AskCar estimate draws on 6,902 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 96 days ago. Its advertised mileage matches the government's MOT record. It is advertised by World Cars in Egham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £107 (under 1%) over the AskCar estimate of £16,992.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 96 days.

Price history

AskCar first saw this advert on 2 August 2026 at £17,099. 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 6 November 2026: valid until 4 May 2027.

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

There were no advisories at the latest test.

Mileage at that test: 70,322 miles, which matches the advertised 70,330 miles.

Advertised mileage is about 10,300 miles higher 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 70,000 miles. Price: £18,995, £1,896 more than this car. Dealer: Harentor Cars in St Albans. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d9f0413a3298
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 70,728 miles. Price: £17,345, £246 more than this car. Dealer: Second Chance Car Finance in Wetherby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-e117068abb90
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 70,802 miles. Price: £19,299, £2,200 more than this car. Dealer: Halliwell Jones North Wales BMW in Conwy. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6555d0f9e0b4

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black, 6 miles from this car. Mileage: 53,000 miles. Price: £19,995, £2,896 more than this car. Dealer: S.P.V. Automotive in Windlesham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-713ddf5adef4