2018 BMW X3
2.0 20i GPF Xline Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
£20,450
Fair price: within 8% of the typical £19,650 for this model, age and mileage, drawing on 2,996 adverts of this make and model.
Overview
- Make
- BMW
- Model
- X3
- Trim
- XLINE
- Version
- 2.0 20i GPF Xline Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
- Mileage
- 48,000 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 166 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 20i
- Emissions standard
- Euro 6
About this car
At 48,000 miles, this 2018 BMW X3 Xline has covered about 15,500 fewer miles than other 2018 BMW X3 cars. The dealer is asking £20,450, which is £800 above our market estimate of £19,650. To estimate its market asking price, we analyse UK dealer adverts for 2,996 BMW X3 cars across different ages and specifications. We first recorded this advert 146 days ago, and its asking price has since fallen by £500. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 21 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Quality Motor Company, based in Iver.
Stock data from 20 October 2026.
Price history
First seen on 28 May 2026, 146 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £500 from the first recorded £20,950. 1 price reduction recorded, the latest observed on 1 June 2026.
| Date observed | Asking price |
|---|---|
| 28 May 2026 | £20,950 |
| 1 June 2026 | £20,450 |
| 14 July 2026 | £20,450 |
| 20 October 2026 | £20,450 |
Price and mileage comparison
Estimated market asking price: £19,650. The asking price is £800 above this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 2,996 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 15,500 miles lower than typical for a 2018 BMW X3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 21 February 2027. 47,537 miles at the last test.
14 other cars with the same year, trim, gearbox and fuel are for sale from £14,600 to £22,990.
| Asking price | Mileage |
|---|---|
| £14,600 | 102,000 miles |
| £15,485 | 85,301 miles |
| £16,249 | 78,958 miles |
| £16,790 | 66,829 miles |
| £16,800 | 67,360 miles |
These cars have covered 18,300–102,000 miles, compared with 48,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW X3 cars for sale · 2018 BMW X3 price guide
Similar cars for less
- 2019 BMW X3, 24,719 miles, £18,999, £5,401 under typical, Greenford
- 2019 BMW X3, 32,900 miles, £19,996, £4,254 under typical, Stapleford
- 2019 BMW X3, 45,596 miles, £18,350, £3,681 under typical, Braintree
Dealer
Quality Motor Company, Iver. Across the dealer network: 85 cars for sale.
Dealer postcode: SL0 9AL.
Dealer opening hours
- Monday
- 10:00-18:30
- Tuesday
- 10:00-18:30
- Wednesday
- 10:00-18:30
- Thursday
- 10:00-18:30
- Friday
- 10:00-18:30
- Saturday
- 10:00-18:30
- Sunday
- Closed
Vehicle photos
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