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) 5dr Touring (187 bhp)
• Year: 2018
• Mileage: 69,750 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 119 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 69,750 miles, approximately 2,900 below the typical mileage for its age. The AskCar estimate for this car is £13,819. It is priced at £14,995, which is £1,176 above that estimate. The AskCar estimate uses 6,862 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 59 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is advertised by Mount Vernon Motors in Glasgow. 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

Above the going rate: £1,176 (8%) over the AskCar estimate of £13,819.

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 59 days.

Price history

AskCar first saw this advert on 6 September 2026 at £15,995. Its asking price is now £14,995, £1,000 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 6 September 2026: £15,995
• 24 September 2026: £15,495
• 15 October 2026: £14,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 12 July 2027.

It has had 6 MOTs. The latest, on 1 July 2026, passed.

Advisories at the latest test: rear oil leak, but not excessive; nearside front lower suspension arm pin or bush worn but not resulting in excessive movement front arm inner bush; offside front lower suspension arm pin or bush worn but not resulting in excessive movement front arm inner bush.

Mileage at that test: 69,148 miles, which matches the advertised 69,750 miles.

Advertised mileage is about 2,900 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

15 other 2018 BMW 3 Series M Sport 2.0 diesel automatic estates are for sale at UK dealers, from £7,799 to £16,590, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 76,247 miles. Price: £13,995, £1,000 less than this car. Dealer: Botley Car Centre in Southampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-349671104394
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 77,400 miles. Price: £13,250, £1,745 less than this car. Dealer: Simon Shield Cars in Ipswich. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-2e18ab7f4cde
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, grey. Mileage: 77,989 miles. Price: £12,990, £2,005 less than this car. Dealer: Ebony & Ivory Motors in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-031704a56207

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel estate, blue, 174 miles from this car. Mileage: 93,336 miles. Price: £12,450, £2,545 less than this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ff597515ef8a