BMW X5 vs Kia Sorento
The BMW X5 has the better MOT record of the two — 16.3% fail rate versus 21.1% for the Kia Sorento across comparable years. The biggest single difference is brakes, where the Sorento records failures noticeably more often.
16.3%
X5 fail rate
21.1%
Sorento fail rate
4.85pp
Difference
Side by side
| Metric | BMW X5 | Kia Sorento |
|---|---|---|
| MOT tests analysed | 526,447 | 227,789 |
| Pass rate | 83.8% | 78.9% |
| Fail rate | 16.3% | 21.1% |
Where they differ
| Category | X5 | Sorento |
|---|---|---|
| Brakes | 4.6% | 8.5% |
| Steering | 0.0% | 3.7% |
| Suspension | 5.4% | 8.5% |
| Visibility | 3.0% | 0.0% |
| Lighting & signalling | 6.1% | 8.8% |
| Tyres | 6.4% | 4.6% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.