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 4WD Euro 6 (s/s) 5dr Touring (187 bhp)
• Year: 2018
• Mileage: 76,247 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 76,247 miles, approximately 4,100 above the typical mileage for its age. The AskCar estimate for this car is £13,371. It is priced at £13,995, which is £624 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 117 days, and its asking price has been cut by £1,000. Its advertised mileage matches the government's MOT record. The seller is Botley Car Centre, based in Botley. 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: £624 (4%) over the AskCar estimate of £13,371.

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 2018 BMW 3 Series with the 2.0 diesel engine is typically advertised at £12,500: the median of the 287 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 117 days, and its asking price has been cut by £1,000. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 274 of the 543 first advertised between 10 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 12 July 2026 at £14,995. Its asking price is now £13,995, £1,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 12 July 2026: £14,995
• 12 September 2026: £14,795
• 22 September 2026: £14,495
• 7 October 2026: £14,295
• 14 October 2026: £13,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 21 June 2027.

It has had 7 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,166 miles, which matches the advertised 76,247 miles.

Advertised mileage is about 4,100 miles higher 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 2.0 diesel estate, black. Mileage: 77,400 miles. Price: £13,250, £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, £1,005 less than this car. Dealer: Ebony & Ivory Motors in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-031704a56207
• 2018 BMW 3 Series M Sport, 2.0 diesel estate, white. Mileage: 78,819 miles. Price: £9,995, £4,000 less than this car. Dealer: Sigma Car Sales in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-adcc57085b8e

• The nearest: 2018 BMW 3 Series M Sport, 2.0 diesel estate, white, 73 miles from this car. Mileage: 140,958 miles. Price: £7,799, £6,196 less than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-18e5cafaba5e