Audi A4 vs Saab 9-3
On MOT-testable defects, the Audi A4 (fail rate 18.9%) performed better than the Saab 9-3 (25.5%) across comparable years. The biggest divergence was suspension, where the 9-3 recorded failures more often.
18.9%
A4 fail rate
25.5%
9-3 fail rate
6.63pp
Difference
Side by side
| Metric | Audi A4 | Saab 9-3 |
|---|---|---|
| MOT tests analysed | 1,555,960 | 277,061 |
| Pass rate | 81.1% | 74.5% |
| Fail rate | 18.9% | 25.5% |
Where they differ
| Category | A4 | 9-3 |
|---|---|---|
| Suspension | 7.6% | 13.0% |
| Brakes | 4.7% | 8.2% |
| Lighting & signalling | 7.7% | 10.5% |
| Body, structure & corrosion | 3.4% | 4.9% |
| Tyres | 6.4% | 5.5% |
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.