Complete battery specifications for your 2026 Acura RDX.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Base | 2.5L I4 | 25 | 589 CCA | 108 min | Side Post |
| XL | 2.5L I4 | 24 | 452 CCA | 85 min | Dual Terminal |
| King Ranch | 2.5L I4 | 48 | 540 CCA | 87 min | Side Post |
| Sport | 2.5L I4 | 35 | 558 CCA | 86 min | Dual Terminal |
| SE | 2.0L I4 | 24 | 591 CCA | 94 min | Dual Terminal |
| Premium | 2.0L I4 | 25 | 506 CCA | 92 min | Dual Terminal |
| SEL | 2.0L I4 | 51R | 490 CCA | 83 min | Side Post |
| Limited | 6.2L V8 | 48 | 794 CCA | 120 min | Top Post |
| XLT | 6.2L V8 | 24 | 748 CCA | 115 min | Dual Terminal |
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