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
• Year: 2018
• Mileage: 47,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres
• Gearbox: Automatic (DCT)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 194 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW M4 Competition is advertised with 47,000 miles, approximately 6,100 below the typical mileage for its age. The dealer is asking £20,950, which is £10,065 below the AskCar estimate of £31,015. We recommend confirming the advertised price and vehicle details. The AskCar estimate draws on 738 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 59 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Harentor Cars in St. Albans. 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

Far below the going rate: £10,065 (32%) under the AskCar estimate of £31,015. Worth asking the dealer why.

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

This 2018 BMW M4 has been on sale for at least 59 days.

Price history

AskCar first saw this advert on 4 September 2026 at £19,995. Its asking price is now £20,950, £955 more.

Price changes recorded:

• 4 September 2026: £19,995
• 10 September 2026: £20,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 June 2027.

It has had 7 MOTs. The latest, on 13 June 2026, passed.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both sides; rear tyre worn close to legal limit/worn on edge both sides.

Mileage at that test: 46,735 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2018 BMW M4 on AskCar.

Similar cars

33 other 2018 BMW M4 Competition 3.0 petrol automatic coupes are for sale at UK dealers, from £22,999 to £44,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW M4 Competition, 3.0 petrol coupe, black. Mileage: 47,000 miles. Price: £31,995, £11,045 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-8a692f989d90
• 2018 BMW M4 Competition, 3.0 petrol coupe, black. Mileage: 47,828 miles. Price: £28,995, £8,045 more than this car. Dealer: Diamond Vehicle Solutions in Darwen. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-0c64ad9b816f
• 2018 BMW M4 Competition, 3.0 petrol coupe, white. Mileage: 49,000 miles. Price: £22,999, £2,049 more than this car. Dealer: Supreme Motorhaus in Derby. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-5762eecb8e93

• The nearest: 2018 BMW M4 Competition, 3.0 petrol coupe, blue, 1 miles from this car. Mileage: 67,000 miles. Price: £28,140, £7,190 more than this car. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/bmw-m4-2018-1e45e0466570