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: 28,773 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,773 miles on the clock, this 2020 BMW 3 Series M Sport has done roughly 31,200 fewer miles than a typical 2020 BMW 3 Series. Priced at £21,498, it is advertised £619 below the AskCar estimate of £22,117. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 38 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Irvine BMW, based in Irvine. 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: £619 (2%) under the AskCar estimate of £22,117.

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 38 days.

Price history

AskCar first saw this advert on 29 September 2026 at £21,998. Its asking price is now £21,498, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 29 September 2026: £21,998
• 4 November 2026: £21,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 17 September 2027.

It has had 5 MOTs. The latest, on 18 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,863 miles, which matches the advertised 28,773 miles.

Advertised mileage is about 31,200 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, orange. Mileage: 28,364 miles. Price: £21,888, £390 more than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fe14464cb548
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white. Mileage: 28,200 miles. Price: £22,950, £1,452 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-75f9efcb1f23
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 27,911 miles. Price: £23,499, £2,001 more than this car. Dealer: Fresh Motors in Watton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6ac5a4914222

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, white, 7 miles from this car. Mileage: 63,799 miles. Price: £17,650, £3,848 less than this car. Dealer: Evans Halshaw Vauxhall Kilmarnock in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3ed976ecf54a