2018 BMW M3 3.0 BiTurbo Competition
Price: £32,997. Fair price: £1,336 (3%) under the AskCar estimate of £34,333, 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 (444 bhp)
- Year: 2018
- Mileage: 63,500 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 444 bhp
- Gearbox: Automatic (DCT)
- Drive: Rear-wheel drive
- Colour: White
- CO2: 194 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 63,500 miles on the clock, this 2018 BMW M3 Competition has done roughly 15,500 more miles than a typical 2018 BMW M3. The AskCar estimate for this car is £34,333. It is priced at £32,997, which is £1,336 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 756 BMW M3 cars across different ages and specifications. This car was first seen in our listings data 20 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Country Car in Warwick. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,336 (3%) under the AskCar estimate of £34,333.
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 20 days.
Price history
AskCar first saw this advert on 13 October 2026 at £32,997. 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 2 November 2026: valid until 31 August 2027.
It has had 6 MOTs. The latest, on 1 September 2026, passed.
Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.
Mileage at that test: 62,578 miles, which matches the advertised 63,500 miles.
Advertised mileage is about 15,500 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, white. Mileage: 63,400 miles. Price: £34,995, £1,998 more than this car. Dealer: Motors For Less in Bradford. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-255ff22bf136
- 2018 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 64,600 miles. Price: £33,995, £998 more 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, black. Mileage: 65,000 miles. Price: £35,390, £2,393 more than this car. Dealer: Elite Cars Scotland in Wishaw. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-3d1bd450f589
- The nearest: 2018 BMW M3 Competition, 3.0 petrol saloon, white, 3 miles from this car. Mileage: 8,393 miles. Price: £49,500, £16,503 more than this car. Dealer: Sytner Warwick BMW in Warwick. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-0ca7655b41de
Browse all BMW M3 cars for sale · 2018 BMW M3 price guide
More like this
Photos
94 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.