Complete battery specifications for your 2021 GMC Sierra 2500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Base | 6.2L V8 | 65 | 905 CCA | 137 min | Top Post |
| Premium | 6.2L V8 | 65 | 829 CCA | 136 min | Side Post |
| SEL | 6.2L V8 | 75 | 889 CCA | 147 min | Side Post |
| Platinum | 2.0L I4 | 78 | 629 CCA | 96 min | Dual Terminal |
| XLT | 2.0L I4 | 34 | 644 CCA | 102 min | Dual Terminal |
| Limited | 2.0L I4 | 35 | 630 CCA | 107 min | Top Post |
| XL | 2.0L I4 | 24F | 623 CCA | 98 min | Top Post |
| Lariat | 2.0L I4 | 78 | 677 CCA | 117 min | Side Post |
| Sport | 5.0L V8 | 65 | 826 CCA | 133 min | Side Post |
| Limited | 5.0L V8 | 65 | 824 CCA | 135 min | Dual Terminal |
| Lariat | 5.0L V8 | 75 | 809 CCA | 125 min | Top Post |
| Platinum | 5.0L V8 | 65 | 849 CCA | 134 min | Side Post |