The WACC of General Motors Co (GM) is 7.8%.
| Range | Selected | |
| Cost of equity | 14.70% - 18.70% | 16.70% |
| Tax rate | 13.90% - 18.50% | 16.20% |
| Cost of debt | 4.00% - 6.40% | 5.20% |
| WACC | 6.6% - 9.0% | 7.8% |
| Category | Low | High |
| Long-term bond rate | 4.2% | 4.7% |
| Equity market risk premium | 5.0% | 6.0% |
| Adjusted beta | 2.1 | 2.25 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 14.70% | 18.70% |
| Tax rate | 13.90% | 18.50% |
| Debt/Equity ratio | 2.59 | 2.59 |
| Cost of debt | 4.00% | 6.40% |
| After-tax WACC | 6.6% | 9.0% |
| Selected WACC | 7.8% | |