Complete battery specifications for your 2018 Audi A6.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XL | 3.0L V6 | 25 | 746 CCA | 127 min | Dual Terminal |
| XLT | 3.0L V6 | 48 | 611 CCA | 109 min | Side Post |
| Sport | 3.6L V6 | 51 | 666 CCA | 117 min | Side Post |
| SEL | 3.6L V6 | 24 | 746 CCA | 127 min | Top Post |
| XLT | 3.6L V6 | 51R | 620 CCA | 94 min | Dual Terminal |
| Base | 3.6L V6 | 25 | 665 CCA | 113 min | Top Post |
| Premium | 2.4L I4 | 24 | 521 CCA | 84 min | Side Post |
| Base | 2.4L I4 | 25 | 522 CCA | 84 min | Side Post |
| King Ranch | 2.4L I4 | 51 | 487 CCA | 80 min | Top Post |