Complete battery specifications for your 2021 Lexus RX.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| SEL | 2.4L I4 | 24F | 581 CCA | 103 min | Dual Terminal |
| King Ranch | 2.4L I4 | 51 | 480 CCA | 79 min | Side Post |
| Base | 2.4L I4 | 51R | 492 CCA | 87 min | Top Post |
| Limited | 2.4L I4 | 24F | 495 CCA | 93 min | Top Post |
| Lariat | 5.0L V8 | 24 | 725 CCA | 121 min | Side Post |
| Base | 5.0L V8 | 24 | 776 CCA | 117 min | Top Post |
| SEL | 5.0L V8 | 51R | 824 CCA | 139 min | Top Post |
| Denali | 5.0L V8 | 24F | 715 CCA | 111 min | Top Post |
| Premium | 5.0L V8 | 47 | 785 CCA | 126 min | Top Post |
| Platinum | 3.5L V6 | 24 | 746 CCA | 127 min | Side Post |
| SEL | 3.5L V6 | 35 | 654 CCA | 118 min | Side Post |
| Base | 3.5L V6 | 24F | 677 CCA | 117 min | Top Post |