The WACC of Group 1 Automotive Inc (GPI) is 7.3%.
| Range | Selected | |
| Cost of equity | 9.30% - 11.90% | 10.60% |
| Tax rate | 22.80% - 23.40% | 23.10% |
| Cost of debt | 4.00% - 5.40% | 4.70% |
| WACC | 6.3% - 8.3% | 7.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.17 | 1.26 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.30% | 11.90% |
| Tax rate | 22.80% | 23.40% |
| Debt/Equity ratio | 0.89 | 0.89 |
| Cost of debt | 4.00% | 5.40% |
| After-tax WACC | 6.3% | 8.3% |
| Selected WACC | 7.3% | |