2018 BMW M3 3.0 BiTurbo Competition
Price: £35,990. Fair price: £920 (2%) under the AskCar estimate of £36,910, our expected asking price for this car from its model, age, mileage and specification, drawing on 752 priced BMW M3 adverts on AskCar as of 4 November 2026.
AskCar lists 808 used BMW M3 from 468 UK dealerships, as of 4 November 2026.
Overview
- Make: BMW
- Model: M3
- Trim: Competition
- Version: 3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 4dr
- Year: 2018
- Mileage: 48,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres
- Gearbox: Automatic (DCT)
- Drive: Rear-wheel drive
- Colour: White
- CO2: 194 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 BMW M3 Competition is advertised with 48,000 miles on the clock. Priced at £35,990, it is advertised £920 below the AskCar estimate of £36,910. The AskCar estimate uses UK dealer asking prices, including 752 BMW M3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 58 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Auto Prestige, based in Bradford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £920 (2%) under the AskCar estimate of £36,910.
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 752 priced BMW M3 adverts across different ages and specifications, as of 4 November 2026.
A 2018 BMW M3 with the 3.0 petrol engine is typically advertised at £37,500: the median of the 24 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 BMW M3 has been on sale for at least 58 days.
Price history
AskCar first saw this advert on 7 September 2026 at £35,990. Its asking price has not changed.
Price changes recorded:
- 7 September 2026: £35,990
- 11 September 2026: £36,990
- 12 September 2026: £35,990
- 30 September 2026: £34,990
- 1 October 2026: £35,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 May 2027.
It has had 8 MOTs. The latest, on 2 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 48,313 miles, which matches the advertised 48,000 miles.
Similar cars
16 other 2018 BMW M3 Competition 3.0 petrol automatic saloons are for sale at UK dealers, from £32,495 to £49,500, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW M3 Competition, 3.0 petrol saloon, white. Mileage: 49,160 miles. Price: £38,499, £2,509 more than this car. Dealer: TDC Collection in Watford. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-bebd7b3c85fe
- 2018 BMW M3 Competition, 3.0 petrol saloon, black. Mileage: 52,300 miles. Price: £37,999, £2,009 more than this car. Dealer: TDC Collection in Watford. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-c757fc6150ac
- 2018 BMW M3 Competition, 3.0 petrol saloon, blue. Mileage: 57,000 miles. Price: £38,495, £2,505 more than this car. Dealer: Carderi Motors in Wembley. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-c7aa6f9716ed
- The nearest: 2018 BMW M3 Competition, 3.0 petrol saloon, black, 8 miles from this car. Mileage: 64,600 miles. Price: £33,995, £1,995 less than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/bmw-m3-2018-55d0484af922
Browse all BMW M3 cars for sale · 2018 BMW M3 price guide
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Photos
6 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.