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: 141,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 141,000 miles, approximately 68,400 above the typical mileage for its age. Priced at £7,990, it is advertised £35 below the AskCar estimate of £8,025. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 13 days ago. The government's MOT record matches its advertised mileage. You can find this car at Online Vehicle Solutions in Buckinghamshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £35 (under 1%) under the AskCar estimate of £8,025.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 286 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £7,990. 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 4 November 2026: valid until 16 September 2027.

It has had 10 MOTs. The latest, on 17 September 2026, passed.

Advisories at the latest test: WINDSCREEN WASHERS PROVIDE JUST ENOUGH WATER TO CLEAR SCREEN; nearside rear tyre worn close to legal limit/worn on edge ON 2MM; nearside front tyre worn close to legal limit/worn on edge ON 3MM; and 2 more.

Mileage at that test: 139,436 miles, which matches the advertised 141,000 miles.

Advertised mileage is about 68,400 miles higher 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, black. Mileage: 129,539 miles. Price: £8,495, £505 more than this car. Dealer: Rallysport Automotive in Colchester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-603eed1c688f
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 157,000 miles. Price: £6,990, £1,000 less than this car. Dealer: Budget Car Solutions in Cleckheaton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-12e829c07dab
• 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey. Mileage: 120,000 miles. Price: £11,895, £3,905 more than this car. Dealer: Paul Blaney Motors in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-447b4d0408a2

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 6 miles from this car. Mileage: 83,407 miles. Price: £11,500, £3,510 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a87a5a6c200b