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 (s/s) 4dr (148 bhp)
• Year: 2020
• Mileage: 75,001 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 112 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 75,001 miles, this 2020 BMW 3 Series M Sport has covered about 15,000 more miles than other 2020 BMW 3 Series cars. Its asking price of £15,299 is £508 below the AskCar estimate of £15,807. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Eastern Western Motor Group Car Deal Warehouse Superstore Newbridge, based in Newbridge. 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: £508 (3%) under the AskCar estimate of £15,807.

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 diesel engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 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: 342 of the 714 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £15,299. 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 6 November 2026: valid until 1 March 2027.

It has had 5 MOTs. The latest, on 27 February 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing wearing low.

Mileage at that test: 70,737 miles, which matches the advertised 75,001 miles.

Advertised mileage is about 15,000 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

68 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 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 74,000 miles. Price: £18,795, £3,496 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-b7d2948089d7
• 2020 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 73,697 miles. Price: £17,990, £2,691 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, blue. Mileage: 76,535 miles. Price: £16,895, £1,596 more than this car. Dealer: SG Motorhouse in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-12b5ce3133ae

• The nearest: 2020 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 11 miles from this car. Mileage: 40,185 miles. Price: £22,099, £6,800 more than this car. Dealer: Motorpoint Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-78558ac180a1