Complete battery specifications for your 2003 GMC Sierra 2500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Limited | 2.0L I4 | 34 | 661 CCA | 109 min | Side Post |
| SE | 2.0L I4 | 34 | 580 CCA | 90 min | Dual Terminal |
| Base | 2.0L I4 | 24F | 609 CCA | 97 min | Dual Terminal |
| King Ranch | 2.0L I4 | 35 | 669 CCA | 119 min | Dual Terminal |
| Sport | 2.0L I4 | 65 | 631 CCA | 109 min | Top Post |
| King Ranch | 5.7L V8 | 94R | 833 CCA | 137 min | Dual Terminal |
| Denali | 5.7L V8 | 94R | 950 CCA | 151 min | Top Post |
| Platinum | 5.7L V8 | 78 | 883 CCA | 138 min | Side Post |
| Limited | 5.7L V8 | 94R | 867 CCA | 134 min | Dual Terminal |
| Platinum | 2.5L I4 | 24F | 689 CCA | 121 min | Dual Terminal |
| XLT | 2.5L I4 | 78 | 588 CCA | 106 min | Side Post |
Reliable starting power, OEM replacement
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