Toyota Yaris vs Honda Jazz: Insurance Risk Comparison
Gera Risk Comparison Delta (GRCD): +5 pts — Toyota Yaris is riskier by 5 index points. MOT fail-rate difference: +4 pp. From 26,016,787 DVSA MOT tests (2016, OGL v3.0).
Which is riskier to insure — the Toyota Yaris or the Honda Jazz?
The Toyota Yaris (GVRI 29/100) is 5 index points riskier than the Honda Jazz (GVRI 24/100) according to the Gera Risk Comparison Delta — a 4.0 percentage-point difference in MOT fail rates from 2016 DVSA data. UK fleet average GVRI: 37/100. Source: DVSA Anonymised MOT data (2016), OGL v3.0.
Toyota Yaris vs Honda Jazz: side-by-side risk data (2016)
| Measure | Toyota Yaris | Honda Jazz | Difference (A − B) |
|---|---|---|---|
| Gera Vehicle Risk Index (GVRI) | 29/100 | 24/100 | +5 pts |
| Risk band | Low Risk | Low Risk | Toyota Yaris riskier |
| MOT fail rate | 20.2% | 16.2% | +4 pp |
| MOT tests in dataset | 363,893 | 256,004 | — |
| Failed tests | 73,649 | 41,581 | — |
| Avg defect severity | 1.03 | 1.04 | 1=std, 3=dangerous |
| vs UK fleet GVRI (37/100) | -8 pts below avg | -13 pts below avg | — |
GRCD = GVRI(A) − GVRI(B). GVRI = 0.6 × MOT_fail_rate + 0.4 × avg_defect_severity_norm, 0–100. Class-4 (car) normal tests only. N ≥ 30. Source: DVSA MOT 2016, OGL v3.0.
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Get insurance quotes for the Honda Jazz — lower-risk by 5 GVRI points
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Toyota Yaris vs Honda Jazz insurance risk: frequently asked questions
- What is the Gera Risk Comparison Delta for the Toyota Yaris vs Honda Jazz?
- The Gera Risk Comparison Delta (GRCD) for the Toyota Yaris vs Honda Jazz is +5 index points, computed from GVRI(Toyota Yaris) = 29/100 and GVRI(Honda Jazz) = 24/100. The Toyota Yaris is the higher-risk model by 5 GVRI points based on DVSA MOT 2016 data (OGL v3.0).
- What is the Toyota Yaris GVRI?
- The Toyota Yaris Gera Vehicle Risk Index (GVRI) is 29/100 (Low Risk), with a MOT fail rate of 20.2% from 363,893 class-4 DVSA MOT tests in 2016. The UK fleet average GVRI is 37/100.
- What is the Honda Jazz GVRI?
- The Honda Jazz Gera Vehicle Risk Index (GVRI) is 24/100 (Low Risk), with a MOT fail rate of 16.2% from 256,004 class-4 DVSA MOT tests in 2016. The UK fleet average GVRI is 37/100.
- Which is cheaper to insure, the Toyota Yaris or Honda Jazz?
- Based on DVSA MOT data, the Honda Jazz (GVRI 24/100, Low Risk) has a lower modelled insurance risk than the Toyota Yaris (GVRI 29/100) by 5 index points — a 4.0 percentage-point MOT fail-rate difference. However, actual premiums also depend on driver age, no-claims bonus, postcode, annual mileage and policy type.
- How is the GRCD calculated?
- GRCD = GVRI(Car A) − GVRI(Car B). GVRI = 0.6 × MOT_fail_rate + 0.4 × avg_defect_severity_norm, min-max scaled 0–100. All inputs are from the DVSA Anonymised MOT Test Results dataset (2016, OGL v3.0). Only make+model combinations with N ≥ 30 tests are included. Full methodology is on the Gera Risk Comparison Delta methodology page.
Methodology
The Gera Risk Comparison Delta for Toyota Yaris vs Honda Jazz is the difference between their GVRI scores: GRCD = GVRI(Toyota Yaris) − GVRI(Honda Jazz) = 29 − 24 = +5 pts. GVRI = 0.6 × MOT_fail_rate + 0.4 × avg_defect_severity_norm, min-max scaled 0–100, from DVSA Anonymised MOT Tests (class-4, 2016, OGL v3.0). Full formula and verification steps on the methodology page.
Contains public sector information published by Driver and Vehicle Standards Agency (DVSA) and licensed under the Open Government Licence v3.0. Source: DVSA Anonymised MOT Test Results — DfT (2016, published 2016).