2018 BMW X4 2.0 20d M Sport
Price: £9,500. Far below the going rate: £11,279 (54%) under the AskCar estimate of £20,779, our expected asking price for this car from its model, age, mileage and specification, drawing on 652 priced BMW X4 adverts on AskCar as of 2 November 2026. Worth asking the dealer why.
AskCar lists 668 used BMW X4 from 471 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: X4
- Trim: M Sport
- Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
- Year: 2018
- Mileage: 40,700 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 146 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 40,700 miles, this 2018 BMW X4 M Sport has covered about 30,400 fewer miles than other 2018 BMW X4 cars. The AskCar estimate for this car is £20,779, but it is priced at £9,500, a difference of £11,279. Ask the dealer to confirm the price and vehicle details. The AskCar estimate uses UK dealer asking prices, including 652 BMW X4 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 38 days ago. The recorded MOT expired on 12 June 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. You can find this car at Taylors Pitstop in Horley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Far below the going rate: £11,279 (54%) under the AskCar estimate of £20,779. 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 652 priced BMW X4 adverts across different ages and specifications, as of 2 November 2026.
A 2018 BMW X4 with the 2.0 diesel engine is typically advertised at £17,000: the median of the 19 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 BMW X4 has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 25 September 2026 at £9,500. 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: the latest record we hold ran out on 12 June 2026; ask the dealer for the current MOT.
It has had 6 MOTs. The latest, on 13 June 2025, passed.
Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; front tyre slightly damaged/cracking or perishing; and 1 more.
Mileage at that test: 40,629 miles, which matches the advertised 40,700 miles.
Advertised mileage is about 30,400 miles lower than the median mileage of a 2018 BMW X4 on AskCar.
Similar cars
13 other 2018 BMW X4 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,494 to £23,677, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 BMW X4 M Sport, 2.0 diesel SUV, white. Mileage: 49,500 miles. Price: £16,995, £7,495 more than this car. Dealer: Andrew Elliot Cars in Inverkeithing. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-5f48ee8629a9
- 2018 BMW X4 M Sport, 2.0 diesel SUV, black. Mileage: 50,435 miles. Price: £23,677, £14,177 more than this car. Dealer: Your Best Car (Bucks) in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-9076ad7c8a6b
- 2018 BMW X4 M Sport, 2.0 diesel SUV, grey. Mileage: 56,000 miles. Price: £16,990, £7,490 more than this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-b3b34ca5f4f1
- The nearest: 2018 BMW X4 M Sport, 2.0 diesel SUV, red, 30 miles from this car. Mileage: 88,226 miles. Price: £16,980, £7,480 more than this car. Dealer: Car Sea in Grays. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-9a363c514b7d
Browse all BMW X4 cars for sale · 2018 BMW X4 price guide
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Photos
20 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.