2020 BMW 3 Series 2.0 320i M Sport

Price: £17,995. Fair price: £436 (2%) over the AskCar estimate of £17,559, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,905 priced BMW 3 Series adverts on AskCar as of 11 November 2026.

AskCar lists 7,158 used BMW 3 Series from 2,706 UK dealerships, as of 11 November 2026.

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: 66,000 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

With 66,000 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 7,000 more miles than a typical 2020 BMW 3 Series. Its asking price of £17,995 is £436 above the AskCar estimate of £17,559. The AskCar estimate draws on 6,905 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The government's MOT record matches its advertised mileage. You can find this car at Sandhaven Car Sales in Durham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Sandhaven Car Sales is rated 4.7 out of 5 on Google.

Price

Fair price: £436 (2%) over the AskCar estimate of £17,559.

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 6,905 priced BMW 3 Series adverts across different ages and specifications, as of 11 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 463 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2020 BMW 3 Series advertised today. About half of 2020 BMW 3 Series cars are gone from sale within a month of being advertised: 360 of the 766 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £17,995. 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 11 November 2026: valid until 26 July 2027.

It failed its MOT on 22 July 2026 (windscreen washer not working) and passed 5 days later, on 27 July 2026.

There were no advisories at the latest test.

Mileage at that test: 64,416 miles, which matches the advertised 66,000 miles.

Advertised mileage is about 7,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

99 other 2020 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £12,999 to £25,895, as of 11 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 65,751 miles. Price: £17,000, £995 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5dce62aecb17
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 67,000 miles. Price: £16,980, £1,015 less than this car. Dealer: Vision Motors Direct in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fb17b1a3452b
  • 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 67,000 miles. Price: £18,494, £499 more than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-452edf440d8a
  • The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 4 miles from this car. Mileage: 126,000 miles. Price: £12,999, £4,996 less than this car. Dealer: Manor Motors in Blackhall Colliery. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-00d8c176cca9

Browse all BMW 3 Series cars for sale · 2020 BMW 3 Series price guide

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Photos

17 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.