2018 BMW M4 3.0 BiTurbo CS

Price: £44,595. Fair price: £1,243 (2%) under the AskCar estimate of £45,838, our expected asking price for this car from its model, age, mileage and specification, drawing on 738 priced BMW M4 adverts on AskCar as of 2 November 2026.

AskCar lists 761 used BMW M4 from 481 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: M4
  • Trim: CS
  • Version: 3.0 BiTurbo CS DCT RWD Euro 6 (s/s) 2dr (454 bhp)
  • Year: 2018
  • Mileage: 18,700 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 454 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 197 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,700 miles on the clock, this 2018 BMW M4 CS has done roughly 34,400 fewer miles than a typical 2018 BMW M4. The dealer is asking £44,595, which is £1,243 below the AskCar estimate of £45,838. To work out the AskCar estimate, we analyse UK dealer adverts for 738 BMW M4 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 71 days, and its asking price is down £1,155. The government's MOT record matches its advertised mileage. You can find this car at Riverside Auto Sales in Liverpool. 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

Fair price: £1,243 (2%) under the AskCar estimate of £45,838.

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 2 November 2026.

A 2018 BMW M4 with the 3.0 petrol engine is typically advertised at £29,000: the median of the 68 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW M4 has been on sale for at least 71 days, and its asking price has been cut by £1,155. About half of 2018 BMW M4 cars are gone from sale within a month of being advertised: 44 of the 85 first advertised between 14 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 23 August 2026 at £45,750. Its asking price is now £44,595, £1,155 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

  • 23 August 2026: £45,750
  • 10 September 2026: £44,995
  • 18 October 2026: £44,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 March 2027.

It has had 6 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 16,663 miles, which matches the advertised 18,700 miles.

Advertised mileage is about 34,400 miles lower than the median mileage of a 2018 BMW M4 on AskCar.

Similar cars

8 other 2018 BMW M4 CS 3.0 petrol automatic coupes are for sale at UK dealers, from £35,995 to £68,000, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW M4 CS, 3.0 petrol coupe, blue. Mileage: 25,262 miles. Price: £42,995, £1,600 less than this car. Dealer: Silsoe Prestige Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-7b690f6ec142
  • 2018 BMW M4 CS, 3.0 petrol coupe. Mileage: 28,000 miles. Price: £43,995, £600 less than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-5894f09fdae8
  • 2018 BMW M4 CS, 3.0 petrol coupe, blue. Mileage: 4,800 miles. Price: £68,000, £23,405 more than this car. Dealer: CLS Cars in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-09c646d1f6d9
  • The nearest: 2018 BMW M4 CS, 3.0 petrol coupe, grey, 24 miles from this car. Mileage: 59,075 miles. Price: £38,395, £6,200 less than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-b2b6ffd5faf8

Browse all BMW M4 cars for sale · 2018 BMW M4 price guide

Photos

44 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.