Complete battery specifications for your 2003 Chevrolet Impala.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XLT | 2.4L I4 | 25 | 588 CCA | 90 min | Side Post |
| Limited | 2.4L I4 | 51R | 497 CCA | 91 min | Dual Terminal |
| King Ranch | 2.4L I4 | 51R | 593 CCA | 101 min | Dual Terminal |
| Platinum | 2.4L I4 | 24 | 485 CCA | 77 min | Dual Terminal |
| Denali | 2.4L I4 | 48 | 578 CCA | 105 min | Top Post |
| XL | 3.6L V6 | 24 | 635 CCA | 107 min | Dual Terminal |
| Limited | 3.6L V6 | 51 | 650 CCA | 110 min | Top Post |
| SE | 3.6L V6 | 25 | 703 CCA | 110 min | Side Post |
| Sport | 3.6L V6 | 24F | 625 CCA | 102 min | Dual Terminal |
| Base | 3.6L V6 | 25 | 631 CCA | 99 min | Dual Terminal |
| King Ranch | 5.7L V8 | 24 | 848 CCA | 144 min | Side Post |
| XLT | 5.7L V8 | 35 | 723 CCA | 126 min | Dual Terminal |
| Platinum | 5.7L V8 | 25 | 796 CCA | 125 min | Side Post |
| Base | 5.7L V8 | 47 | 749 CCA | 122 min | Dual Terminal |
| Limited | 5.7L V8 | 25 | 789 CCA | 126 min | Top Post |