2018 BMW 5 Series 3.0 540i M Sport

Overview

• Make: BMW
• Model: 5 Series
• Trim: M Sport
• Version: 3.0 540i GPF M Sport Auto 4WD Euro 6 (s/s) 4dr (335 bhp)
• Year: 2018
• Mileage: 70,366 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 70,366 miles on the clock, this 2018 BMW 5 Series M Sport has done roughly 6,600 fewer miles than a typical 2018 BMW 5 Series. The dealer is asking £20,050, which is £1,922 below the AskCar estimate of £21,972. To work out the AskCar estimate, we analyse UK dealer adverts for 2,690 BMW 5 Series cars across different ages and specifications. We first recorded this advert 30 days ago, and its asking price has since fallen by £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £1,922 (8%) under the AskCar estimate of £21,972.

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 2,690 priced BMW 5 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 5 Series with the 3.0 petrol engine is typically advertised at £19,000: the median of the 67 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 5 Series has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £20,950. Its asking price is now £20,050, £900 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 3 October 2026: £20,950
• 17 October 2026: £20,650
• 23 October 2026: £20,350
• 30 October 2026: £20,050

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 September 2027.

It failed its MOT on 18 September 2026 (offside front outer drive shaft joint constant velocity boot severely deteriorated; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords also on the limit) and passed later the same day.

Advisories at the latest test: offside front outer drive shaft joint constant velocity boot severely deteriorated; nearside rear shock absorbers has light misting of oil.

Mileage at that test: 70,155 miles, which matches the advertised 70,366 miles.

Advertised mileage is about 6,600 miles lower than the median mileage of a 2018 BMW 5 Series on AskCar.

Similar cars

16 other 2018 BMW 5 Series M Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £16,495 to £25,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 5 Series M Sport, 3.0 petrol saloon, white. Mileage: 67,992 miles. Price: £22,000, £1,950 more than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-5-series-2018-afdb9293f5f1
• 2018 BMW 5 Series M Sport, 3.0 petrol saloon, blue. Mileage: 66,497 miles. Price: £22,995, £2,945 more than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-5-series-2018-06ebeb9d54cf
• 2018 BMW 5 Series M Sport, 3.0 petrol saloon, black. Mileage: 62,000 miles. Price: £23,750, £3,700 more than this car. Dealer: Whitethor Cars in Coalville. AskCar page: https://askcar.co.uk/car/bmw-5-series-2018-d16a316552ee

• The nearest: 2018 BMW 5 Series M Sport, 3.0 petrol saloon, black, 12 miles from this car. Mileage: 90,906 miles. Price: £18,200, £1,850 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-5-series-2018-7825842add55