Mazda 6 vs Volvo V70
On MOT-testable defects, the Mazda 6 (fail rate 20.3%) performed better than the Volvo V70 (23.5%) across comparable years. The biggest divergence was lighting & signalling, where the V70 recorded failures more often.
20.3%
6 fail rate
23.5%
V70 fail rate
3.17pp
Difference
Side by side
| Metric | Mazda 6 | Volvo V70 |
|---|---|---|
| MOT tests analysed | 402,123 | 285,279 |
| Pass rate | 79.7% | 76.5% |
| Fail rate | 20.3% | 23.5% |
Where they differ
| Category | 6 | V70 |
|---|---|---|
| Lighting & signalling | 8.8% | 14.4% |
| Body, structure & corrosion | 0.0% | 4.6% |
| Visibility | 3.6% | 0.0% |
| Tyres | 4.9% | 6.2% |
| Suspension | 8.2% | 7.7% |
| Brakes | 8.5% | 8.8% |
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.