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: 126,000 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

At 126,000 miles, this 2020 BMW 3 Series M Sport has covered about 66,800 more miles than other 2020 BMW 3 Series cars. The dealer is asking £12,999, which is £1,783 above the AskCar estimate of £11,216. To work out the AskCar estimate, we analyse UK dealer adverts for 6,886 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 32 days ago. The government's MOT record matches its advertised mileage. You can find this car at Manor Motors in Hartlepool. 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: £1,783 (15%) over the AskCar estimate of £11,216.

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 32 days.

Price history

AskCar first saw this advert on 6 October 2026 at £12,999. 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 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 119,472 miles, which matches the advertised 126,000 miles.

Advertised mileage is about 66,800 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 £13,895 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, blue. Mileage: 116,500 miles. Price: £15,495, £2,496 more than this car. Dealer: The Car Lounge in Manchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-12d95f94f9e3
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 110,000 miles. Price: £13,895, £896 more than this car. Dealer: Oakridge Automotive in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-7aff17c37761
• 2020 BMW 3 Series M Sport, 2.0 petrol saloon, black. Mileage: 94,730 miles. Price: £16,995, £3,996 more than this car. Dealer: Top Gear Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d232b77f6e4f

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol saloon, blue, 17 miles from this car. Mileage: 50,003 miles. Price: £18,690, £5,691 more than this car. Dealer: Avanti Motors in Darlington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-615510790cbe