2018 BMW 3 Series 3.0 335d M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 335d M Sport Auto 4WD Euro 6 (s/s) 5dr Touring (309 bhp)
• Year: 2018
• Mileage: 67,626 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 67,626 miles, approximately 4,600 below the typical mileage for its age. The dealer is asking £17,879, which is £1,655 below the AskCar estimate of £19,534. To work out the AskCar estimate, we analyse UK dealer adverts for 6,897 BMW 3 Series cars across different ages and specifications. We first saw this car advertised 107 days ago. Its asking price has since fallen by £1,817. Our records show an MOT expiry date of 25 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Cargem, based in Rainham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £1,655 (8%) under the AskCar estimate of £19,534.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW 3 Series with the 3.0 diesel engine is typically advertised at £18,200: the median of the 68 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 107 days.

Price history

AskCar first saw this advert on 21 July 2026 at £19,696. Its asking price is now £17,879, £1,817 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 21 July 2026: £19,696
• 23 July 2026: £18,834
• 4 August 2026: £18,803
• 14 August 2026: £18,796
• 25 August 2026: £18,709
• 4 September 2026: £18,565
• 16 September 2026: £18,500
• 30 September 2026: £18,431
• 8 October 2026: £18,169
• 15 October 2026: £17,999
• 27 October 2026: £17,879

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 25 September 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 12 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 59,845 miles, which matches the advertised 67,626 miles.

Advertised mileage is about 4,600 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

3 other 2018 BMW 3 Series M Sport 3.0 diesel automatic estates are for sale at UK dealers, from £14,990 to £17,000, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 diesel estate, grey. Mileage: 70,800 miles. Price: £17,000, £879 less than this car. Dealer: Kallenhard in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-a97bdc63a4f9
• 2018 BMW 3 Series M Sport, 3.0 diesel estate, black. Mileage: 95,345 miles. Price: £16,364, £1,515 less than this car. Dealer: Vindis Group Auto Now Fakenham in Fakenham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-726742b464d6
• 2018 BMW 3 Series M Sport, 3.0 diesel estate, white. Mileage: 98,000 miles. Price: £14,990, £2,889 less than this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-322269e00cbb