BMW X6 (2015)
Running costs, common problems, and reliability data based on 3,260 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
3,260
Avg Mileage
81,723 mi
Est. Annual Cost
£1,750
Is the 2015 BMW X6 reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.
At 9 years old, 91% of BMW X6s from 2015 passed their MOT first time in 2024. That's based on 3,260 tests across the UK. The average mileage at this age is 81,723 miles.
How does the 2015 BMW X6 compare?
Mileage Analysis
The average 2015 BMW X6 has 81,723 miles on the clock, which is above the expected 66,600 miles for a 9-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a BMW X6?
The most reliable year is the 2016 model with a 93% MOT pass rate, while the 2008 model has the lowest at 82%. The 2015 sits between the two at 91%.
How much does a 2015 BMW X6 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
BMW X6 by Year
Checking a specific BMW X6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 BMW X6
The 2015 BMW X6 is a premium performance with a 2993cc diesel engine. 3,260 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 24% of all 2015 cars for reliability.
With an average of 81,723 miles at 9 years old, BMW X6 owners cover more miles than the average driver.
2015 BMW X6 Fuel Costs
The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2015 BMW X6?
Total estimated annual running cost is £1,750 (£146/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW X6 Reliability Trend
Newer BMW X6s show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Buying a Used 2015 BMW X6
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 93%.
Alternatives to the 2015 BMW X6
The BMW X6 is actually the most reliable option among similar diesel premium performances from this era. Here are comparable diesel cars with similar engines:
- AUDI A5 (2017) 89% pass rate (-2%) from 33,531 tests
- MERCEDES GLC (2017) 90% pass rate (-1%) from 28,866 tests
- LAND ROVER RANGE ROVER (2013) 88% pass rate (-3%) from 27,426 tests
- JAGUAR XF (2014) 84% pass rate (-7%) from 26,866 tests