Complete battery specifications for your 2003 Porsche 911.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Lariat | 2.5L I4 | 51R | 561 CCA | 89 min | Top Post |
| XL | 2.5L I4 | 51R | 584 CCA | 87 min | Side Post |
| Limited | 2.4L I4 | 25 | 455 CCA | 74 min | Side Post |
| XL | 2.4L I4 | 35 | 450 CCA | 69 min | Side Post |
| King Ranch | 2.4L I4 | 47 | 523 CCA | 79 min | Dual Terminal |
| Premium | 2.4L I4 | 24F | 464 CCA | 82 min | Top Post |
| Limited | 5.7L V8 | 47 | 839 CCA | 132 min | Top Post |
| Sport | 5.7L V8 | 47 | 762 CCA | 131 min | Side Post |
| SEL | 5.7L V8 | 24F | 784 CCA | 131 min | Top Post |
| XLT | 5.7L V8 | 24F | 846 CCA | 139 min | Dual Terminal |