2018 BMW M3 3.0 BiTurbo Competition
Price: £35,390. Fair price: £2,269 (6%) over the AskCar estimate of £33,121, our expected asking price for this car from its model, age, mileage and specification, drawing on 756 priced BMW M3 adverts on AskCar as of 2 November 2026.
AskCar lists 811 used BMW M3 from 475 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: M3
- Trim: Competition
- Version: 3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 4dr
- Year: 2018
- Mileage: 65,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres
- Gearbox: Automatic (DCT)
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 194 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 65,000 miles, this 2018 BMW M3 Competition has covered about 17,000 more miles than other 2018 BMW M3 cars. The dealer is asking £35,390, which is £2,269 above the AskCar estimate of £33,121. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. The asking price is now £600 lower than when we first recorded the advert 38 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Elite Cars Scotland in Wishaw. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £2,269 (6%) over the AskCar estimate of £33,121.
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 756 priced BMW M3 adverts across different ages and specifications, as of 2 November 2026.
A 2018 BMW M3 with the 3.0 petrol engine is typically advertised at £37,500: the median of the 26 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 BMW M3 has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 25 September 2026 at £35,990. Its asking price is now £35,390, £600 less. The latest price cut was seen on 20 October 2026.
Price changes recorded:
- 25 September 2026: £35,990
- 20 October 2026: £35,390
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 March 2027.
It failed its MOT on 24 March 2026 (nearside front tyre has ply or cords damaged; offside front tyre has ply or cords damaged; nearside rear tyre has ply or cords damaged; and 1 more) and passed 1 day later, on 25 March 2026.
There were no advisories at the latest test.
Mileage at that test: 61,616 miles, which matches the advertised 65,000 miles.
Advertised mileage is about 17,000 miles higher than the median mileage of a 2018 BMW M3 on AskCar.
Similar cars
18 other 2018 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £32,495 to £49,500, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 64,600 miles. Price: £33,995, £1,395 less than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-55d0484af922
- 2018 BMW M3 Competition, 3.0 petrol saloon, white. Mileage: 63,500 miles. Price: £32,997, £2,393 less than this car. Dealer: Country Car in Warwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-3de291bc8674
- 2018 BMW M3 Competition, 3.0 petrol saloon, white. Mileage: 63,400 miles. Price: £34,995, £395 less than this car. Dealer: Motors For Less in Bradford. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-255ff22bf136
- The nearest: 2018 BMW M3 Competition, 3.0 petrol saloon, white, 161 miles from this car. Mileage: 48,000 miles. Price: £35,990, £600 more than this car. Dealer: Auto Prestige in Bradford. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-fcbcdef260c4
Browse all BMW M3 cars for sale · 2018 BMW M3 price guide
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Photos
58 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.