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: 62,500 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 62,500 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 9,700 fewer miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £17,586. It is priced at £16,200, which is £1,386 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 37 days ago, and its asking price has since fallen by £550. The government's MOT record matches its advertised mileage. You can find this car at Dash Autos in Harrow. 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: £1,386 (7%) under the AskCar estimate of £17,586.

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 3.0 diesel engine is typically advertised at £18,000: the median of the 69 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 30 September 2026 at £16,750. Its asking price is now £16,200, £550 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 30 September 2026: £16,750
• 24 October 2026: £16,250
• 5 November 2026: £16,200

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 8 December 2026.

It has had 8 MOTs. The latest, on 9 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 54,868 miles, which matches the advertised 62,500 miles.

Advertised mileage is about 9,700 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

9 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, grey. Mileage: 53,168 miles. Price: £18,899, £2,699 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, blue. Mileage: 73,967 miles. Price: £15,395, £805 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-e395b9874235
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue. Mileage: 47,712 miles. Price: £19,000, £2,800 more than this car. Dealer: Sytner Warwick BMW in Warwick. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-4f40b53520be

• The nearest: 2018 BMW 3 Series M Sport, 3.0 diesel saloon, black, 20 miles from this car. Mileage: 96,000 miles. Price: £13,495, £2,705 less than this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d970b21240bd