The WACC of Group 1 Automotive Inc (GPI) is 7.0%.
| Range | Selected | |
| Cost of equity | 7.90% - 10.20% | 9.05% |
| Tax rate | 22.90% - 23.90% | 23.40% |
| Cost of debt | 4.00% - 5.30% | 4.65% |
| WACC | 6.1% - 7.9% | 7.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.88 | 0.96 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.90% | 10.20% |
| Tax rate | 22.90% | 23.90% |
| Debt/Equity ratio | 0.6 | 0.6 |
| Cost of debt | 4.00% | 5.30% |
| After-tax WACC | 6.1% | 7.9% |
| Selected WACC | 7.0% | |