Ford Focus vs Vauxhall Corsa: Insurance Risk Comparison
Gera Risk Comparison Delta (GRCD): -7 pts — Vauxhall Corsa is riskier by 7 index points. MOT fail-rate difference: -5.7 pp. From 26,016,787 DVSA MOT tests (2016, OGL v3.0).
Which is riskier to insure — the Ford Focus or the Vauxhall Corsa?
The Vauxhall Corsa (GVRI 48/100) is 7 index points riskier than the Ford Focus (GVRI 41/100) according to the Gera Risk Comparison Delta — a 5.7 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.
Ford Focus vs Vauxhall Corsa: side-by-side risk data (2016)
| Measure | Ford Focus | Vauxhall Corsa | Difference (A − B) |
|---|---|---|---|
| Gera Vehicle Risk Index (GVRI) | 41/100 | 48/100 | -7 pts |
| Risk band | Moderate Risk | Moderate Risk | Vauxhall Corsa riskier |
| MOT fail rate | 28.2% | 34.0% | -5.7 pp |
| MOT tests in dataset | 1,182,819 | 900,953 | — |
| Failed tests | 334,021 | 305,971 | — |
| Avg defect severity | 1.05 | 1.04 | 1=std, 3=dangerous |
| vs UK fleet GVRI (37/100) | +4 pts above avg | +11 pts above 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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Ford Focus vs Vauxhall Corsa insurance risk: frequently asked questions
- What is the Gera Risk Comparison Delta for the Ford Focus vs Vauxhall Corsa?
- The Gera Risk Comparison Delta (GRCD) for the Ford Focus vs Vauxhall Corsa is -7 index points, computed from GVRI(Ford Focus) = 41/100 and GVRI(Vauxhall Corsa) = 48/100. The Vauxhall Corsa is the higher-risk model by 7 GVRI points based on DVSA MOT 2016 data (OGL v3.0).
- What is the Ford Focus GVRI?
- The Ford Focus Gera Vehicle Risk Index (GVRI) is 41/100 (Moderate Risk), with a MOT fail rate of 28.2% from 1,182,819 class-4 DVSA MOT tests in 2016. The UK fleet average GVRI is 37/100.
- What is the Vauxhall Corsa GVRI?
- The Vauxhall Corsa Gera Vehicle Risk Index (GVRI) is 48/100 (Moderate Risk), with a MOT fail rate of 34.0% from 900,953 class-4 DVSA MOT tests in 2016. The UK fleet average GVRI is 37/100.
- Which is cheaper to insure, the Ford Focus or Vauxhall Corsa?
- Based on DVSA MOT data, the Ford Focus (GVRI 41/100, Moderate Risk) has a lower modelled insurance risk than the Vauxhall Corsa (GVRI 48/100) by 7 index points — a 5.7 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 Ford Focus vs Vauxhall Corsa is the difference between their GVRI scores: GRCD = GVRI(Ford Focus) − GVRI(Vauxhall Corsa) = 41 − 48 = -7 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).