The WACC of General Motors Co (GM) is 6.6%.
| Range | Selected | |
| Cost of equity | 8.00% - 12.50% | 10.25% |
| Tax rate | 13.90% - 18.50% | 16.20% |
| Cost of debt | 4.00% - 7.50% | 5.75% |
| WACC | 5.0% - 8.2% | 6.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.91 | 1.36 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.00% | 12.50% |
| Tax rate | 13.90% | 18.50% |
| Debt/Equity ratio | 1.99 | 1.99 |
| Cost of debt | 4.00% | 7.50% |
| After-tax WACC | 5.0% | 8.2% |
| Selected WACC | 6.6% | |