Vauxhall Zafira vs Honda Jazz: Insurance Risk Comparison
Gera Risk Comparison Delta (GRCD): +21 pts — Vauxhall Zafira is riskier by 21 index points. MOT fail-rate difference: +14.8 pp. From 26,016,787 DVSA MOT tests (2016, OGL v3.0).
Which is riskier to insure — the Vauxhall Zafira or the Honda Jazz?
The Vauxhall Zafira (GVRI 45/100) is 21 index points riskier than the Honda Jazz (GVRI 24/100) according to the Gera Risk Comparison Delta — a 14.8 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.
Vauxhall Zafira vs Honda Jazz: side-by-side risk data (2016)
| Measure | Vauxhall Zafira | Honda Jazz | Difference (A − B) |
|---|---|---|---|
| Gera Vehicle Risk Index (GVRI) | 45/100 | 24/100 | +21 pts |
| Risk band | Moderate Risk | Low Risk | Vauxhall Zafira riskier |
| MOT fail rate | 31.0% | 16.2% | +14.8 pp |
| MOT tests in dataset | 381,386 | 256,004 | — |
| Failed tests | 118,245 | 41,581 | — |
| Avg defect severity | 1.06 | 1.04 | 1=std, 3=dangerous |
| vs UK fleet GVRI (37/100) | +8 pts above 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 21 GVRI points
The Honda Jazz (GVRI 24/100) is 21 index points lower-risk than the Vauxhall Zafira from DVSA MOT data. GeraSure is building data-driven insurance comparison using real GVRI data. Join the waitlist to see what that means for your premium.
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Vauxhall Zafira vs Honda Jazz insurance risk: frequently asked questions
- What is the Gera Risk Comparison Delta for the Vauxhall Zafira vs Honda Jazz?
- The Gera Risk Comparison Delta (GRCD) for the Vauxhall Zafira vs Honda Jazz is +21 index points, computed from GVRI(Vauxhall Zafira) = 45/100 and GVRI(Honda Jazz) = 24/100. The Vauxhall Zafira is the higher-risk model by 21 GVRI points based on DVSA MOT 2016 data (OGL v3.0).
- What is the Vauxhall Zafira GVRI?
- The Vauxhall Zafira Gera Vehicle Risk Index (GVRI) is 45/100 (Moderate Risk), with a MOT fail rate of 31.0% from 381,386 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 Vauxhall Zafira or Honda Jazz?
- Based on DVSA MOT data, the Honda Jazz (GVRI 24/100, Low Risk) has a lower modelled insurance risk than the Vauxhall Zafira (GVRI 45/100) by 21 index points — a 14.8 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 Vauxhall Zafira vs Honda Jazz is the difference between their GVRI scores: GRCD = GVRI(Vauxhall Zafira) − GVRI(Honda Jazz) = 45 − 24 = +21 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).