2018 BMW 3 Series 3.0 340i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 3.0 340i M Sport Auto RWD Euro 6 (s/s) 4dr (322 bhp)
• Year: 2018
• Mileage: 67,099 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 67,099 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 5,000 fewer miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £19,820. It is priced at £20,750, which is £930 above that estimate. The AskCar estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. 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. It is for sale at Hilton Garage in Derby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £930 (4%) over the AskCar estimate of £19,820.

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 14 November 2026.

A 2018 BMW 3 Series with the 3.0 petrol engine is typically advertised at £18,000: the median of the 71 for sale on AskCar, as of 14 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: 289 of the 587 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £20,750. 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 14 November 2026: valid until 4 June 2027.

It has had 7 MOTs. The latest, on 26 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 63,302 miles, which matches the advertised 67,099 miles.

Advertised mileage is about 5,000 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

4 other 2018 BMW 3 Series M Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £14,990 to £28,990, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport, 3.0 petrol saloon, white. Mileage: 69,357 miles. Price: £19,490, £1,260 less than this car. Dealer: Octane Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-558f6831f2d8
• 2018 BMW 3 Series M Sport, 3.0 petrol saloon, grey. Mileage: 44,800 miles. Price: £24,490, £3,740 more than this car. Dealer: BSB Automotive in Dartford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-5f0518119128
• 2018 BMW 3 Series M Sport, 3.0 petrol saloon, blue. Mileage: 107,000 miles. Price: £14,990, £5,760 less than this car. Dealer: German Motors in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-99229db393cf

• The nearest: 2018 BMW 3 Series M Sport, 3.0 petrol saloon, grey, 46 miles from this car. Mileage: 26,000 miles. Price: £28,990, £8,240 more than this car. Dealer: Cheshire Performance in Audenshaw. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-3f70a8bac698