Complete battery specifications for your 2021 Ram 2500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XL | 2.0L I4 | 35 | 627 CCA | 101 min | Top Post |
| Base | 2.0L I4 | 24F | 582 CCA | 95 min | Side Post |
| Platinum | 2.0L I4 | 35 | 668 CCA | 110 min | Dual Terminal |
| Lariat | 5.0L V8 | 75 | 927 CCA | 144 min | Dual Terminal |
| Sport | 5.0L V8 | 65 | 934 CCA | 152 min | Top Post |
| XL | 5.0L V8 | 65 | 853 CCA | 127 min | Dual Terminal |
| King Ranch | 5.0L V8 | 78 | 943 CCA | 148 min | Dual Terminal |
| Lariat | 3.5L V6 | 65 | 751 CCA | 125 min | Dual Terminal |
| SE | 3.5L V6 | 34 | 847 CCA | 145 min | Dual Terminal |
| Platinum | 3.5L V6 | 24F | 758 CCA | 118 min | Dual Terminal |