2018 BMW 3 Series 3.0 M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 M Sport Auto Euro 6 4dr
• Year: 2018
• Mileage: 106,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport is advertised with 106,000 miles, approximately 34,000 above the typical mileage for its age. The AskCar estimate for this car is £11,900. It is priced at £13,250, which is £1,350 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Cambridgeshire Motor House in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,350 (11%) over the AskCar estimate of £11,900.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW 3 Series with the 3.0 diesel engine is typically advertised at £18,000: the median of the 71 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised today. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 277 of the 549 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £13,250. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 September 2027.

It failed its MOT on 28 August 2026 (offside front shock absorbers has a serious fluid leak) and passed 12 days later, on 9 September 2026.

There were no advisories at the latest test.

Mileage at that test: 105,207 miles, which matches the advertised 106,000 miles.

Advertised mileage is about 34,000 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue. Mileage: 116,000 miles. Price: £10,790, £2,460 less than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ea3a6d519928
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, black. Mileage: 96,000 miles. Price: £13,495, £245 more than this car. Dealer: BM Vehicles in Ware. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d970b21240bd
• 2018 BMW 3 Series M Sport, 3.0 diesel saloon, orange. Mileage: 117,030 miles. Price: £11,999, £1,251 less than this car. Dealer: AL Prestige Cars in Southampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-829675612ce9

• The nearest: 2018 BMW 3 Series M Sport, 3.0 diesel saloon, blue, 39 miles from this car. Mileage: 16,000 miles. Price: £23,840, £10,590 more than this car. Dealer: DR Motors in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1ac547a6832d