Complete battery specifications for your 2021 Lexus IS.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XL | 6.2L V8 | 24F | 784 CCA | 122 min | Side Post |
| Base | 6.2L V8 | 51R | 732 CCA | 126 min | Top Post |
| Lariat | 6.2L V8 | 24F | 773 CCA | 123 min | Side Post |
| King Ranch | 3.5L V6 | 24 | 709 CCA | 126 min | Dual Terminal |
| Platinum | 3.5L V6 | 35 | 611 CCA | 111 min | Top Post |
| Premium | 3.5L V6 | 24F | 677 CCA | 114 min | Dual Terminal |
| Denali | 3.5L V6 | 24F | 623 CCA | 108 min | Side Post |
| King Ranch | 3.6L V6 | 24 | 686 CCA | 106 min | Side Post |
| Premium | 3.6L V6 | 51 | 714 CCA | 107 min | Top Post |