2018 BMW 3 Series 2.0 320d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320d M Sport Auto RWD Euro 6 (s/s) 4dr (187 bhp)
• Year: 2018
• Mileage: 46,194 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 46,194 miles, this 2018 BMW 3 Series M Sport has covered about 26,700 fewer miles than other 2018 BMW 3 Series cars. Priced at £13,449, it is advertised £2,510 below the AskCar estimate of £15,959. The AskCar estimate uses UK dealer asking prices, including 6,742 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 100 days ago, the asking price has dropped by £2,300. Our latest MOT record expired on 4 July 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Charles Hurst Usedirect Belfast 62 Boucher Road, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £2,510 (15%) under the AskCar estimate of £15,959.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 25 July 2026 at £15,749. Its asking price is now £13,449, £2,300 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 25 July 2026: £15,749
• 6 August 2026: £15,249
• 19 August 2026: £14,949
• 29 August 2026: £14,945
• 8 September 2026: £14,449
• 19 September 2026: £14,399
• 29 September 2026: £14,249
• 9 October 2026: £13,949
• 21 October 2026: £13,449

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 4 July 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 25 June 2025, passed.

Advisories at the latest test: nearside rear shock absorbers has light misting of oil.

Mileage at that test: 41,897 miles, which matches the advertised 46,194 miles.

Advertised mileage is about 26,700 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

43 other 2018 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £6,990 to £17,800, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 46,138 miles. Price: £14,500, £1,051 more than this car. Dealer: 1Stop Car Sales in Spalding. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-5e19328225a7
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, silver. Mileage: 45,000 miles. Price: £15,495, £2,046 more than this car. Dealer: Worthway Motor Company in Keighley. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6c6b6bd921a2
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 47,395 miles. Price: £16,495, £3,046 more than this car. Dealer: Motorology in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-0a32260ecd8f

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, blue, under a mile from this car. Mileage: 62,286 miles. Price: £14,990, £1,541 more than this car. Dealer: Mervyn Stewart Ltd (North Down) in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-e57ed0460b7f