2018 BMW M4 3.0 BiTurbo Competition

Overview

• Make: BMW
• Model: M4
• Trim: Competition
• Version: 3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
• Year: 2018
• Mileage: 70,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 444 bhp
• Gearbox: Automatic (DCT)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 203 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 70,000 miles on the clock, this 2018 BMW M4 Competition has done roughly 16,900 more miles than a typical 2018 BMW M4. Its asking price of £24,995 is £1,634 below the AskCar estimate of £26,629. The AskCar estimate uses 738 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at R & S Car Sales in Perth. 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: £1,634 (6%) under the AskCar estimate of £26,629.

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 738 priced BMW M4 adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW M4 with the 3.0 petrol engine is typically advertised at £29,000: the median of the 67 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 BMW M4 advertised 2 days ago. About half of 2018 BMW M4 cars are gone from sale within a month of being advertised: 44 of the 87 first advertised between 14 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £24,995. 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 4 November 2026: valid until 1 February 2027.

It has had 7 MOTs. The latest, on 2 February 2026, passed.

Advisories at the latest test: nearside front nail in tyre; nearside front obligatory mirror slightly damaged.

Mileage at that test: 69,564 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 16,900 miles higher than the median mileage of a 2018 BMW M4 on AskCar.

Similar cars

7 other 2018 BMW M4 Competition 3.0 petrol automatic convertibles are for sale at UK dealers, from £22,500 to £30,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW M4 Competition, 3.0 petrol convertible, white. Mileage: 68,807 miles. Price: £26,495, £1,500 more than this car. Dealer: Roadside Motors Lurgan in Lurgan. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-bf6214d532fe
• 2018 BMW M4 Competition, 3.0 petrol convertible, white. Mileage: 72,000 miles. Price: £24,999, the same price as this car. Dealer: Waterways Prestige in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-11c92b55e920
• 2018 BMW M4 Competition, 3.0 petrol convertible, blue. Mileage: 58,000 miles. Price: £28,450, £3,455 more than this car. Dealer: Motorexe in Redbridge. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-aa5ff0d10d71