2020 BMW 3 Series 2.0 318d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 318d M Sport Auto RWD Euro 6 4dr (147 bhp)
• Year: 2020
• Mileage: 73,339 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 147 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 73,339 miles, approximately 14,100 above the typical mileage for its age. The AskCar estimate for this car is £15,993. It is priced at £16,999, which is £1,006 above that estimate. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 10 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Halliwell Jones North Wales BMW in Llandudno Junction. 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

Fair price: £1,006 (6%) over the AskCar estimate of £15,993.

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 diesel 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 10 days.

Price history

AskCar first saw this advert on 28 October 2026 at £16,999. 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 24 July 2027.

It has had 5 MOTs. The latest, on 21 July 2026, passed.

Advisories at the latest test: nearside front shock absorbers has light misting of oil; rear brake disc worn, but not excessively.

Mileage at that test: 69,920 miles, which matches the advertised 73,339 miles.

Advertised mileage is about 14,100 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

69 other 2020 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £10,290 to £23,977, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 73,000 miles. Price: £17,450, £451 more than this car. Dealer: PMA Cars NI in Newry. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-d8243942851e
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 73,697 miles. Price: £17,990, £991 more than this car. Dealer: Central Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-0a720d9f1490
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 74,000 miles. Price: £18,795, £1,796 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b7d2948089d7

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black, 50 miles from this car. Mileage: 29,847 miles. Price: £23,977, £6,978 more than this car. Dealer: Select Motor Trading in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-660f845bbba3