Bmw X4
Reliability, running costs, and MOT data across 8 years from 36,284 real MOT tests.
Avg Pass Rate
91%
Total Tests
36,284
Best Year
2020 (94%)
Years Covered
8
How reliable is the Bmw X4?
Bmw X4 by Year
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About the Bmw X4
The Bmw X4 has been tested 36,284 times in 2024 MOT data across 8 model years (2014 to 2021), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol and diesel.
Best and Worst Years
The 2020 model is the most reliable with a 94% pass rate from 3,300 tests. The 2015 model has the lowest at 88%. The 6 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer BMW X4s show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Mileage Across Years
The oldest model in our data (2014) averages 87,605 miles, while the newest (2021) averages 27,663 miles.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.