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) 4dr (309 bhp)
• Year: 2018
• Mileage: 73,967 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport has covered 73,967 miles. The AskCar estimate for this car is £15,966. It is priced at £15,395, which is £571 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 154 days, and its asking price has been cut by £1,691. Its advertised mileage matches the government's MOT record. It is advertised by Cargem in Rainham. 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: £571 (3%) under the AskCar estimate of £15,966.

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 3.0 diesel engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 154 days, and its asking price has been cut by £1,691. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 269 of the 532 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 June 2026 at £17,086. Its asking price is now £15,395, £1,691 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 4 June 2026: £17,086
• 7 June 2026: £16,636
• 18 June 2026: £16,545
• 26 June 2026: £16,493
• 13 July 2026: £16,303
• 21 July 2026: £16,267
• 4 August 2026: £16,153
• 13 August 2026: £16,140
• 25 August 2026: £15,941
• 4 September 2026: £15,710
• 16 September 2026: £15,780
• 26 September 2026: £15,680
• 15 October 2026: £15,607
• 27 October 2026: £15,482
• 3 November 2026: £15,395

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 December 2026.

It failed its MOT on 20 November 2025 (nearside rear shock absorbers has a serious fluid leak) and passed later the same day.

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

Mileage at that test: 68,673 miles, which matches the advertised 73,967 miles.

Advertised mileage is about 1,400 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

10 other 2018 BMW 3 Series M Sport 3.0 diesel automatic saloons are for sale at UK dealers, from £10,790 to £23,840, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 62,500 miles. Price: £16,250, £855 more than this car. Dealer: Dash Autos in Harrow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d848c38615ba
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 53,168 miles. Price: £18,899, £3,504 more than this car. Dealer: MINI UK at Lookers Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d4571bc0f6f1
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 96,000 miles. Price: £13,495, £1,900 less than this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d970b21240bd