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) 5dr Touring (181 bhp)
• Year: 2020
• Mileage: 39,632 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 39,632 miles, this 2020 BMW 3 Series M Sport has covered about 19,600 fewer miles than other 2020 BMW 3 Series cars. Its asking price of £26,000 is £3,656 above the AskCar estimate of £22,344. The AskCar estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 8 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner High Wycombe BMW, based in High Wycombe. 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

Above the going rate: £3,656 (16%) over the AskCar estimate of £22,344.

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 8 days.

Price history

AskCar first saw this advert on 30 October 2026 at £26,000. 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 28 June 2027.

It has had 4 MOTs. The latest, on 29 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,340 miles, which matches the advertised 39,632 miles.

Advertised mileage is about 19,600 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

19 other 2020 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £17,926 to £27,980, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 36,500 miles. Price: £22,828, £3,172 less than this car. Dealer: Carbase Weston-super-Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dce5d26c18cb
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, white. Mileage: 43,071 miles. Price: £20,899, £5,101 less than this car. Dealer: Motorpoint Stockton-on-Tees in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-cbd6ec10b82e
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 44,000 miles. Price: £22,650, £3,350 less than this car. Dealer: Mi Prestige in Chingford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-c8404627aa24

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol estate, white, 14 miles from this car. Mileage: 52,500 miles. Price: £21,949, £4,051 less than this car. Dealer: Paragon Cars London in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7a18a9e1bd0e