Complete battery specifications for your 2021 Audi A4.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Premium | 3.5L V6 | 51 | 719 CCA | 118 min | Side Post |
| XL | 3.5L V6 | 51 | 685 CCA | 115 min | Side Post |
| Platinum | 3.5L V6 | 51 | 730 CCA | 125 min | Top Post |
| Sport | 3.5L V6 | 51 | 658 CCA | 98 min | Dual Terminal |
| Denali | 5.7L V8 | 48 | 726 CCA | 119 min | Top Post |
| XLT | 5.7L V8 | 51 | 743 CCA | 126 min | Dual Terminal |
| King Ranch | 5.7L V8 | 51R | 775 CCA | 121 min | Dual Terminal |
| Base | 5.7L V8 | 35 | 824 CCA | 126 min | Side Post |
| XL | 5.7L V8 | 47 | 841 CCA | 137 min | Top Post |
| SEL | 5.0L V8 | 24 | 804 CCA | 132 min | Dual Terminal |
| King Ranch | 5.0L V8 | 35 | 746 CCA | 131 min | Top Post |
| Denali | 5.0L V8 | 25 | 810 CCA | 127 min | Side Post |