Complete battery specifications for your 2018 GMC Sierra 2500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Sport | 2.5L I4 | 78 | 552 CCA | 87 min | Dual Terminal |
| SEL | 2.5L I4 | 34 | 651 CCA | 97 min | Top Post |
| Base | 2.5L I4 | 78 | 627 CCA | 97 min | Side Post |
| Limited | 2.5L I4 | 34 | 552 CCA | 83 min | Top Post |
| SEL | 2.4L I4 | 24F | 618 CCA | 97 min | Side Post |
| King Ranch | 2.4L I4 | 65 | 673 CCA | 101 min | Top Post |
| XLT | 2.4L I4 | 24F | 553 CCA | 101 min | Top Post |
| XL | 3.6L V6 | 24F | 720 CCA | 120 min | Top Post |
| XLT | 3.6L V6 | 78 | 790 CCA | 127 min | Top Post |
| Base | 3.6L V6 | 35 | 769 CCA | 121 min | Top Post |