Complete battery specifications for your 2008 GMC Sierra 2500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Sport | 2.5L I4 | 65 | 670 CCA | 112 min | Top Post |
| Limited | 2.5L I4 | 78 | 629 CCA | 105 min | Side Post |
| XL | 2.5L I4 | 35 | 695 CCA | 112 min | Side Post |
| SEL | 2.5L I4 | 65 | 661 CCA | 101 min | Top Post |
| XLT | 2.5L I4 | 78 | 585 CCA | 95 min | Dual Terminal |
| SEL | 3.5L V6 | 34 | 811 CCA | 132 min | Dual Terminal |
| Denali | 3.5L V6 | 35 | 784 CCA | 132 min | Top Post |
| Platinum | 3.5L V6 | 24F | 761 CCA | 120 min | Dual Terminal |
| XLT | 6.2L V8 | 65 | 892 CCA | 144 min | Side Post |
| Premium | 6.2L V8 | 78 | 871 CCA | 140 min | Side Post |
| XL | 6.2L V8 | 94R | 837 CCA | 134 min | Side Post |
| SEL | 6.2L V8 | 78 | 835 CCA | 127 min | Dual Terminal |
| Lariat | 6.2L V8 | 75 | 879 CCA | 144 min | Top Post |
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