Bmw X5 vs Kia Sorento
On MOT-testable defects, the Bmw X5 (fail rate 16.5%) performed better than the Kia Sorento (21.7%) across comparable years. The biggest divergence was brakes, where the Sorento recorded failures more often.
16.5%
X5 fail rate
21.7%
Sorento fail rate
5.16pp
Difference
Side by side
| Metric | Bmw X5 | Kia Sorento |
|---|---|---|
| MOT tests analysed | 493,397 | 217,118 |
| Pass rate | 83.5% | 78.3% |
| Fail rate | 16.5% | 21.7% |
Where they differ
| Category | X5 | Sorento |
|---|---|---|
| Brakes | 4.9% | 8.8% |
| Steering | 0.0% | 3.9% |
| Visibility | 3.1% | 0.0% |
| Suspension | 5.7% | 8.8% |
| Lighting & signalling | 6.4% | 9.1% |
| Tyres | 6.2% | 4.7% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.