Complete battery specifications for your 2021 Cadillac CT5.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Platinum | 3.0L V6 | 47 | 704 CCA | 111 min | Dual Terminal |
| XLT | 3.0L V6 | 25 | 715 CCA | 125 min | Side Post |
| SEL | 3.0L V6 | 47 | 731 CCA | 129 min | Top Post |
| Denali | 3.0L V6 | 24F | 723 CCA | 120 min | Dual Terminal |
| King Ranch | 3.0L V6 | 24 | 727 CCA | 113 min | Side Post |
| King Ranch | 3.6L V6 | 24 | 685 CCA | 102 min | Side Post |
| Sport | 3.6L V6 | 48 | 725 CCA | 119 min | Side Post |
| XLT | 3.6L V6 | 35 | 692 CCA | 120 min | Side Post |
| Premium | 3.5L V6 | 24 | 684 CCA | 107 min | Top Post |
| XLT | 3.5L V6 | 35 | 626 CCA | 93 min | Side Post |
| SEL | 3.5L V6 | 35 | 651 CCA | 115 min | Dual Terminal |
| Sport | 3.5L V6 | 51R | 642 CCA | 114 min | Dual Terminal |
| Base | Electric | H5 | 466 CCA | 82 min | Dual Terminal |
| SE | Electric | H5 | 492 CCA | 86 min | Dual Terminal |
| Limited | Electric | H5 | 437 CCA | 66 min | Top Post |
| Platinum | Electric | H6 | 429 CCA | 76 min | Side Post |