Toyota Yaris vs Honda Jazz — MOT Failure Rate Comparison
Verdict: The Honda Jazz is more reliable based on MOT data, with a 3.6 percentage point lower failure rate than the Toyota Yaris.
Failure Rate by Vehicle Age
How the Toyota Yaris and Honda Jazz compare across different age groups:
| Age | Toyota Yaris | Honda Jazz | Difference |
|---|---|---|---|
| 0-2 years | 8.2% | 5.4% | Honda Jazz +2.7pp |
| 3-5 years | 12.1% | 8.1% | Honda Jazz +4.0pp |
| 6-10 years | 21.2% | 14.7% | Honda Jazz +6.5pp |
| 11-15 years | 34.6% | 30.4% | Honda Jazz +4.1pp |
| 15+ years | 44.2% | 43.3% | Honda Jazz +0.9pp |
Component Risk Comparison
Side-by-side breakdown of which MOT failure areas each model is weaker in:
| Component | Toyota Yaris | Honda Jazz | Better |
|---|---|---|---|
| Lamps & Electrics | 6.9% | 4.5% | Honda Jazz |
| Suspension | 4.2% | 2.7% | Honda Jazz |
| Visibility | 3.2% | 2.4% | Honda Jazz |
| Brakes | 2.8% | 3.6% | Toyota Yaris |
| Tyres | 2.4% | 2.0% | Honda Jazz |
| Body & Chassis | 1.4% | 0.9% | Honda Jazz |
| Steering | 0.1% | 0.3% | Toyota Yaris |
Which Is More Reliable: Toyota Yaris or Honda Jazz?
Based on official DVSA MOT test records covering 3,182,901 tests between these two models, the Honda Jazz comes out ahead with a 3.6 percentage point lower overall failure rate. The Honda Jazz fails 23.5% of the time compared to the Toyota Yaris's 27.2%.
However, the gap between these models varies by vehicle age. Younger examples of both models tend to have more similar pass rates, while differences can become more pronounced as vehicles age and accumulate wear. Component-level data shows each model has different weak spots — the Toyota Yaris's top risk area is lamps & electrics while the Honda Jazz's is lamps & electrics. Knowing your model's specific weaknesses helps you target pre-MOT checks where they matter most.
Explore Each Model in Detail
Check Your Specific Vehicle
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Data methodology: Failure rates are weighted averages across all mileage bands, calculated from official DVSA MOT test records. Only age/mileage combinations with 100+ tests are included. Component risks represent the probability of failure in each specific area. Data covers 142 million MOT tests across the UK. Comparisons are based on aggregate statistics and individual vehicle condition will vary.
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